Kode der træner CNN-modeller og mislykket forsøger at samle dem.
Browse filesModellerne kan ikke samles med en stacker som de er lavet nu, fordi de alle er trænet og testet på forskellig data. De er hver især trænet og testet på billederne for deres unikke variabel (velocity, temperature,...). For at kunne samle dem skal de trænes og testes på sammenligneligt data. Derfor skal der laves billeder i de samme punkter. Det ved jeg ikke om vi kan når opløsningen ikke er ens.
- conv_antarctis_samlet_model.ipynb +1331 -0
conv_antarctis_samlet_model.ipynb
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|
| 1 |
+
{
|
| 2 |
+
"cells": [
|
| 3 |
+
{
|
| 4 |
+
"cell_type": "code",
|
| 5 |
+
"execution_count": 31,
|
| 6 |
+
"id": "e7e09770",
|
| 7 |
+
"metadata": {},
|
| 8 |
+
"outputs": [],
|
| 9 |
+
"source": [
|
| 10 |
+
"import numpy as np\n",
|
| 11 |
+
"import xarray as xr\n",
|
| 12 |
+
"from sklearn.model_selection import train_test_split\n",
|
| 13 |
+
"import matplotlib.pyplot as plt\n",
|
| 14 |
+
"from tensorflow.keras import layers\n",
|
| 15 |
+
"from tensorflow import keras\n",
|
| 16 |
+
"import keras_tuner as kt"
|
| 17 |
+
]
|
| 18 |
+
},
|
| 19 |
+
{
|
| 20 |
+
"cell_type": "markdown",
|
| 21 |
+
"id": "acfd64fc",
|
| 22 |
+
"metadata": {},
|
| 23 |
+
"source": [
|
| 24 |
+
"# Making input for temp"
|
| 25 |
+
]
|
| 26 |
+
},
|
| 27 |
+
{
|
| 28 |
+
"cell_type": "code",
|
| 29 |
+
"execution_count": 88,
|
| 30 |
+
"id": "59cfc06d",
|
| 31 |
+
"metadata": {},
|
| 32 |
+
"outputs": [],
|
| 33 |
+
"source": [
|
| 34 |
+
"data = xr.open_dataset('conv_temp_4326.nc')"
|
| 35 |
+
]
|
| 36 |
+
},
|
| 37 |
+
{
|
| 38 |
+
"cell_type": "code",
|
| 39 |
+
"execution_count": 89,
|
| 40 |
+
"id": "a9923e31",
|
| 41 |
+
"metadata": {},
|
| 42 |
+
"outputs": [
|
| 43 |
+
{
|
| 44 |
+
"name": "stderr",
|
| 45 |
+
"output_type": "stream",
|
| 46 |
+
"text": [
|
| 47 |
+
"/var/folders/44/y59xjnbx6fqfgz896mcmxfw80000gn/T/ipykernel_99782/2935343825.py:5: FutureWarning: The return type of `Dataset.dims` will be changed to return a set of dimension names in future, in order to be more consistent with `DataArray.dims`. To access a mapping from dimension names to lengths, please use `Dataset.sizes`.\n",
|
| 48 |
+
" dim_name = list(data.dims.keys())[0] # assumes single major dimension like 'obs'\n"
|
| 49 |
+
]
|
| 50 |
+
}
|
| 51 |
+
],
|
| 52 |
+
"source": [
|
| 53 |
+
"scalar_feats = ['vx', 'vy', 'v', 'smb', 'z', 's', 'temp']\n",
|
| 54 |
+
"feats = np.array([data[feat].values for feat in scalar_feats]).T\n",
|
| 55 |
+
"\n",
|
| 56 |
+
"# 1. Find correct dimension name (e.g., 'obs')\n",
|
| 57 |
+
"dim_name = list(data.dims.keys())[0] # assumes single major dimension like 'obs'\n",
|
| 58 |
+
"\n",
|
| 59 |
+
"# 2. Find odd (odd) indices using xarray logic\n",
|
| 60 |
+
"grid_ids = data[\"gridCellId\"].values.astype(int)\n",
|
| 61 |
+
"odd_mask = grid_ids % 2 == 1\n",
|
| 62 |
+
"odd_idx = np.where(odd_mask)[0]\n",
|
| 63 |
+
"test_idx = np.where(~odd_mask)[0]\n",
|
| 64 |
+
"\n",
|
| 65 |
+
"# 3. Extract scalar features as a stacked array (samples x features)\n",
|
| 66 |
+
"scalar_feats = ['vx', 'vy', 'v', 'smb', 'z', 's', 'temp']\n",
|
| 67 |
+
"feats = np.stack([data[feat].values for feat in scalar_feats], axis=-1)\n",
|
| 68 |
+
"\n",
|
| 69 |
+
"# 4. Create train/test splits using .isel and values\n",
|
| 70 |
+
"train_images = data[\"images\"].isel({dim_name: odd_idx}).values\n",
|
| 71 |
+
"test_images = data[\"images\"].isel({dim_name: test_idx}).values\n",
|
| 72 |
+
"\n",
|
| 73 |
+
"train_feats = feats[odd_idx]\n",
|
| 74 |
+
"test_feats = feats[test_idx]\n",
|
| 75 |
+
"\n",
|
| 76 |
+
"ytrain = data[\"THICK\"].isel({dim_name: odd_idx}).values\n",
|
| 77 |
+
"ytest = data[\"THICK\"].isel({dim_name: test_idx}).values\n",
|
| 78 |
+
"\n",
|
| 79 |
+
"ytrain = data.THICK.values[odd_idx]\n",
|
| 80 |
+
"ytest = data.THICK.values[test_idx]\n"
|
| 81 |
+
]
|
| 82 |
+
},
|
| 83 |
+
{
|
| 84 |
+
"cell_type": "code",
|
| 85 |
+
"execution_count": 90,
|
| 86 |
+
"id": "af470a6f",
|
| 87 |
+
"metadata": {},
|
| 88 |
+
"outputs": [
|
| 89 |
+
{
|
| 90 |
+
"name": "stdout",
|
| 91 |
+
"output_type": "stream",
|
| 92 |
+
"text": [
|
| 93 |
+
"(104834, 27, 27)\n",
|
| 94 |
+
"False\n",
|
| 95 |
+
"0\n",
|
| 96 |
+
"76454604\n"
|
| 97 |
+
]
|
| 98 |
+
}
|
| 99 |
+
],
|
| 100 |
+
"source": [
|
| 101 |
+
"train_images = data[\"images\"].isel({dim_name: odd_idx}).load().values\n",
|
| 102 |
+
"test_images = data[\"images\"].isel({dim_name: test_idx}).load().values\n",
|
| 103 |
+
"\n",
|
| 104 |
+
"train_images = np.nan_to_num(train_images, nan=0.0)\n",
|
| 105 |
+
"test_images = np.nan_to_num(test_images, nan=0.0)\n",
|
| 106 |
+
"\n",
|
| 107 |
+
"print(train_images.shape) # should be (N, 27, 27)\n",
|
| 108 |
+
"print(np.isnan(train_images).all()) # should be False\n",
|
| 109 |
+
"print(np.isnan(train_images).sum()) # total NaNs\n",
|
| 110 |
+
"print(104876 * 27 *27)\n"
|
| 111 |
+
]
|
| 112 |
+
},
|
| 113 |
+
{
|
| 114 |
+
"cell_type": "code",
|
| 115 |
+
"execution_count": 91,
|
| 116 |
+
"id": "2ed5f281",
|
| 117 |
+
"metadata": {},
|
| 118 |
+
"outputs": [],
|
| 119 |
+
"source": [
|
| 120 |
+
"#---------standardize labels-------------------\n",
|
| 121 |
+
"# Compute mean and std from training labels\n",
|
| 122 |
+
"y_mean = ytrain.mean()\n",
|
| 123 |
+
"y_std = ytrain.std()\n",
|
| 124 |
+
"\n",
|
| 125 |
+
"# Standardize ytrain and ytest using training statistics\n",
|
| 126 |
+
"ytrain_std = (ytrain - y_mean) / y_std\n",
|
| 127 |
+
"ytest_std = (ytest - y_mean) / y_std\n",
|
| 128 |
+
"#to convert back to original scale, use:\n",
|
| 129 |
+
"# ypreds_orig = ypreds * y_std + y_mean\n",
|
| 130 |
+
"#----------------------------------------------\n",
|
| 131 |
+
"\n",
|
| 132 |
+
"# ytrain = ytrain.values\n",
|
| 133 |
+
"# ytest = ytest.values\n",
|
| 134 |
+
"\n",
|
| 135 |
+
"# explicitly illustrating standardization\n",
|
| 136 |
+
"def standardizeimg(img, mu, sigma):\n",
|
| 137 |
+
" return (img-mu)/(sigma).astype(np.float32)\n",
|
| 138 |
+
"\n",
|
| 139 |
+
"# save for scaling test dataA\n",
|
| 140 |
+
"mu_train = np.mean(train_images)\n",
|
| 141 |
+
"sigma_train = np.std(train_images)\n",
|
| 142 |
+
"\n",
|
| 143 |
+
"# Standardize pixel distribution to have zero mean and unit variance\n",
|
| 144 |
+
"train_images = standardizeimg(img=train_images, mu=mu_train, sigma=sigma_train)\n",
|
| 145 |
+
"test_images = standardizeimg(img=test_images, mu=np.mean(test_images), sigma=np.std(test_images))\n",
|
| 146 |
+
"\n",
|
| 147 |
+
"# adapt to format required by tensorflow; Using channels_last --> (n_samples, img_rows, img_cols, n_channels)\n",
|
| 148 |
+
"img_rows, img_cols = 27, 27 # input image dimensions\n",
|
| 149 |
+
"train_images = train_images.reshape(train_images.shape[0], img_rows, img_cols, 1)\n",
|
| 150 |
+
"test_images = test_images.reshape(test_images.shape[0], img_rows, img_cols, 1)"
|
| 151 |
+
]
|
| 152 |
+
},
|
| 153 |
+
{
|
| 154 |
+
"cell_type": "code",
|
| 155 |
+
"execution_count": 92,
|
| 156 |
+
"id": "571614d0",
|
| 157 |
+
"metadata": {},
|
| 158 |
+
"outputs": [],
|
| 159 |
+
"source": [
|
| 160 |
+
"temp_images = train_images\n",
|
| 161 |
+
"temp_train_images = train_images\n",
|
| 162 |
+
"temp_test_feats = test_feats\n",
|
| 163 |
+
"temp_train_feats = train_feats\n",
|
| 164 |
+
"temp_test_images = test_images"
|
| 165 |
+
]
|
| 166 |
+
},
|
| 167 |
+
{
|
| 168 |
+
"cell_type": "markdown",
|
| 169 |
+
"id": "6233f2d7",
|
| 170 |
+
"metadata": {},
|
| 171 |
+
"source": [
|
| 172 |
+
"# Training model for temp"
|
| 173 |
+
]
|
| 174 |
+
},
|
| 175 |
+
{
|
| 176 |
+
"cell_type": "code",
|
| 177 |
+
"execution_count": 37,
|
| 178 |
+
"id": "eb05afe1",
|
| 179 |
+
"metadata": {},
|
| 180 |
+
"outputs": [],
|
| 181 |
+
"source": [
|
| 182 |
+
"def build_model(hp):\n",
|
| 183 |
+
" IMAGE_HEIGHT, IMAGE_WIDTH, IMAGE_CHANNELS = 27, 27, 1\n",
|
| 184 |
+
" NUM_SCALAR_FEATURES = 7\n",
|
| 185 |
+
"\n",
|
| 186 |
+
" image_input = layers.Input(shape=(IMAGE_HEIGHT, IMAGE_WIDTH, IMAGE_CHANNELS), name='image_input')\n",
|
| 187 |
+
" x = image_input\n",
|
| 188 |
+
"\n",
|
| 189 |
+
" # Tune number of conv layers: 1 to 3\n",
|
| 190 |
+
" for i in range(hp.Int('num_conv_layers', 1, 3)):\n",
|
| 191 |
+
" filters = hp.Int(f'filters_{i}', 32, 128, step=32)\n",
|
| 192 |
+
" x = layers.Conv2D(filters, (3, 3), activation='relu', padding='same')(x)\n",
|
| 193 |
+
" x = layers.MaxPooling2D((2, 2))(x)\n",
|
| 194 |
+
"\n",
|
| 195 |
+
" x = layers.Flatten()(x)\n",
|
| 196 |
+
"\n",
|
| 197 |
+
" # Scalar branch\n",
|
| 198 |
+
" scalar_input = layers.Input(shape=(NUM_SCALAR_FEATURES,), name='scalar_input')\n",
|
| 199 |
+
" y = scalar_input # you could also add dense layers here\n",
|
| 200 |
+
"\n",
|
| 201 |
+
" # Merge\n",
|
| 202 |
+
" z = layers.concatenate([x, y])\n",
|
| 203 |
+
"\n",
|
| 204 |
+
" # Tune number of dense layers: 1 to 3\n",
|
| 205 |
+
" for i in range(hp.Int('num_dense_layers', 1, 3)):\n",
|
| 206 |
+
" units = hp.Int(f'dense_units_{i}', 64, 256, step=64)\n",
|
| 207 |
+
" z = layers.Dense(units, activation='relu')(z)\n",
|
| 208 |
+
" z = layers.Dropout(hp.Float(f'dropout_{i}', 0.3, 0.7, step=0.1))(z)\n",
|
| 209 |
+
"\n",
|
| 210 |
+
" output = layers.Dense(1, name='output')(z)\n",
|
| 211 |
+
"\n",
|
| 212 |
+
" model = keras.Model(inputs=[image_input, scalar_input], outputs=output)\n",
|
| 213 |
+
"\n",
|
| 214 |
+
" model.compile(\n",
|
| 215 |
+
" optimizer='adam',\n",
|
| 216 |
+
" loss='mse',\n",
|
| 217 |
+
" metrics=['mape']\n",
|
| 218 |
+
" )\n",
|
| 219 |
+
"\n",
|
| 220 |
+
" return model"
|
| 221 |
+
]
|
| 222 |
+
},
|
| 223 |
+
{
|
| 224 |
+
"cell_type": "code",
|
| 225 |
+
"execution_count": 38,
|
| 226 |
+
"id": "85802ff8",
|
| 227 |
+
"metadata": {},
|
| 228 |
+
"outputs": [
|
| 229 |
+
{
|
| 230 |
+
"name": "stdout",
|
| 231 |
+
"output_type": "stream",
|
| 232 |
+
"text": [
|
| 233 |
+
"Reloading Tuner from Code/ice_thickness_cnn_temp/tuner0.json\n"
|
| 234 |
+
]
|
| 235 |
+
}
|
| 236 |
+
],
|
| 237 |
+
"source": [
|
| 238 |
+
"tuner = kt.RandomSearch(\n",
|
| 239 |
+
" build_model,\n",
|
| 240 |
+
" objective='val_mape',\n",
|
| 241 |
+
" max_trials=1,\n",
|
| 242 |
+
" executions_per_trial=1,\n",
|
| 243 |
+
" directory='Code', #skift directory\n",
|
| 244 |
+
" project_name='ice_thickness_cnn_temp'\n",
|
| 245 |
+
")\n"
|
| 246 |
+
]
|
| 247 |
+
},
|
| 248 |
+
{
|
| 249 |
+
"cell_type": "code",
|
| 250 |
+
"execution_count": 39,
|
| 251 |
+
"id": "fa473e8c",
|
| 252 |
+
"metadata": {},
|
| 253 |
+
"outputs": [],
|
| 254 |
+
"source": [
|
| 255 |
+
"tuner.search(\n",
|
| 256 |
+
" {'image_input': train_images, 'scalar_input': train_feats},\n",
|
| 257 |
+
" ytrain_std,\n",
|
| 258 |
+
" validation_data=({'image_input': test_images, 'scalar_input': test_feats}, ytest_std),\n",
|
| 259 |
+
" epochs=30,\n",
|
| 260 |
+
" batch_size=320\n",
|
| 261 |
+
")\n"
|
| 262 |
+
]
|
| 263 |
+
},
|
| 264 |
+
{
|
| 265 |
+
"cell_type": "code",
|
| 266 |
+
"execution_count": 40,
|
| 267 |
+
"id": "9837d503",
|
| 268 |
+
"metadata": {},
|
| 269 |
+
"outputs": [
|
| 270 |
+
{
|
| 271 |
+
"name": "stdout",
|
| 272 |
+
"output_type": "stream",
|
| 273 |
+
"text": [
|
| 274 |
+
"Epoch 1/30\n"
|
| 275 |
+
]
|
| 276 |
+
},
|
| 277 |
+
{
|
| 278 |
+
"name": "stderr",
|
| 279 |
+
"output_type": "stream",
|
| 280 |
+
"text": [
|
| 281 |
+
"/opt/miniconda3/envs/appml/lib/python3.12/site-packages/keras/src/saving/saving_lib.py:757: UserWarning: Skipping variable loading for optimizer 'adam', because it has 2 variables whereas the saved optimizer has 30 variables. \n",
|
| 282 |
+
" saveable.load_own_variables(weights_store.get(inner_path))\n"
|
| 283 |
+
]
|
| 284 |
+
},
|
| 285 |
+
{
|
| 286 |
+
"name": "stdout",
|
| 287 |
+
"output_type": "stream",
|
| 288 |
+
"text": [
|
| 289 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m20s\u001b[0m 47ms/step - loss: 1623841.5000 - mape: 103.7883 - val_loss: 1350029.2500 - val_mape: 65.4703\n",
|
| 290 |
+
"Epoch 2/30\n",
|
| 291 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 45ms/step - loss: 414066.6875 - mape: 66.1151 - val_loss: 1640908.7500 - val_mape: 68.9165\n",
|
| 292 |
+
"Epoch 3/30\n",
|
| 293 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 43ms/step - loss: 366676.5000 - mape: 63.9325 - val_loss: 1502926.0000 - val_mape: 65.5676\n",
|
| 294 |
+
"Epoch 4/30\n",
|
| 295 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 43ms/step - loss: 352633.1562 - mape: 49.7823 - val_loss: 1548254.6250 - val_mape: 66.2862\n",
|
| 296 |
+
"Epoch 5/30\n",
|
| 297 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 43ms/step - loss: 330374.2188 - mape: 51.2994 - val_loss: 1652841.0000 - val_mape: 66.8227\n",
|
| 298 |
+
"Epoch 6/30\n",
|
| 299 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 43ms/step - loss: 315108.4688 - mape: 52.3326 - val_loss: 1516739.7500 - val_mape: 65.1036\n",
|
| 300 |
+
"Epoch 7/30\n",
|
| 301 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m17s\u001b[0m 42ms/step - loss: 310951.7188 - mape: 51.1550 - val_loss: 1505773.8750 - val_mape: 65.3550\n",
|
| 302 |
+
"Epoch 8/30\n",
|
| 303 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m17s\u001b[0m 42ms/step - loss: 300632.6562 - mape: 48.4373 - val_loss: 1434880.3750 - val_mape: 63.3948\n",
|
| 304 |
+
"Epoch 9/30\n",
|
| 305 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 43ms/step - loss: 288077.6562 - mape: 46.9832 - val_loss: 1518280.6250 - val_mape: 64.7503\n",
|
| 306 |
+
"Epoch 10/30\n",
|
| 307 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 44ms/step - loss: 275742.0312 - mape: 45.3837 - val_loss: 1521084.0000 - val_mape: 64.2962\n",
|
| 308 |
+
"Epoch 11/30\n",
|
| 309 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m17s\u001b[0m 42ms/step - loss: 266654.5625 - mape: 43.6019 - val_loss: 1460578.2500 - val_mape: 64.6119\n",
|
| 310 |
+
"Epoch 12/30\n",
|
| 311 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m17s\u001b[0m 43ms/step - loss: 259868.5938 - mape: 46.8487 - val_loss: 1388735.0000 - val_mape: 62.5166\n",
|
| 312 |
+
"Epoch 13/30\n",
|
| 313 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 43ms/step - loss: 257574.3750 - mape: 43.2215 - val_loss: 1620815.2500 - val_mape: 65.1581\n",
|
| 314 |
+
"Epoch 14/30\n",
|
| 315 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m19s\u001b[0m 45ms/step - loss: 245698.5938 - mape: 43.1863 - val_loss: 1593470.3750 - val_mape: 64.7511\n",
|
| 316 |
+
"Epoch 15/30\n",
|
| 317 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 43ms/step - loss: 243752.4062 - mape: 47.5935 - val_loss: 1567125.0000 - val_mape: 65.5080\n",
|
| 318 |
+
"Epoch 16/30\n",
|
| 319 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 44ms/step - loss: 240592.4531 - mape: 48.1535 - val_loss: 1611000.5000 - val_mape: 65.6449\n",
|
| 320 |
+
"Epoch 17/30\n",
|
| 321 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 44ms/step - loss: 238049.5312 - mape: 44.8858 - val_loss: 1531273.7500 - val_mape: 63.8730\n",
|
| 322 |
+
"Epoch 18/30\n",
|
| 323 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 44ms/step - loss: 232608.1406 - mape: 44.6122 - val_loss: 1660268.1250 - val_mape: 65.5394\n",
|
| 324 |
+
"Epoch 19/30\n",
|
| 325 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 44ms/step - loss: 231991.0781 - mape: 45.7806 - val_loss: 1550361.5000 - val_mape: 63.9024\n",
|
| 326 |
+
"Epoch 20/30\n",
|
| 327 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m17s\u001b[0m 42ms/step - loss: 225928.7812 - mape: 41.9161 - val_loss: 1600106.6250 - val_mape: 64.0991\n",
|
| 328 |
+
"Epoch 21/30\n",
|
| 329 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m17s\u001b[0m 42ms/step - loss: 222877.0781 - mape: 40.5920 - val_loss: 1489548.6250 - val_mape: 63.3521\n",
|
| 330 |
+
"Epoch 22/30\n",
|
| 331 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m17s\u001b[0m 43ms/step - loss: 219066.1250 - mape: 43.0462 - val_loss: 1682864.0000 - val_mape: 66.9739\n",
|
| 332 |
+
"Epoch 23/30\n",
|
| 333 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 44ms/step - loss: 218053.4531 - mape: 42.8029 - val_loss: 1631763.2500 - val_mape: 64.7390\n",
|
| 334 |
+
"Epoch 24/30\n",
|
| 335 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 43ms/step - loss: 213761.1094 - mape: 46.2372 - val_loss: 1443448.2500 - val_mape: 62.3867\n",
|
| 336 |
+
"Epoch 25/30\n",
|
| 337 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 44ms/step - loss: 210890.1562 - mape: 39.8299 - val_loss: 1656974.6250 - val_mape: 65.4794\n",
|
| 338 |
+
"Epoch 26/30\n",
|
| 339 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 44ms/step - loss: 210550.2031 - mape: 45.5542 - val_loss: 1552693.3750 - val_mape: 63.8037\n",
|
| 340 |
+
"Epoch 27/30\n",
|
| 341 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m17s\u001b[0m 42ms/step - loss: 207589.0000 - mape: 41.8776 - val_loss: 1619232.2500 - val_mape: 65.8852\n",
|
| 342 |
+
"Epoch 28/30\n",
|
| 343 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 44ms/step - loss: 205814.3594 - mape: 36.7697 - val_loss: 1683814.7500 - val_mape: 66.1623\n",
|
| 344 |
+
"Epoch 29/30\n",
|
| 345 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m18s\u001b[0m 45ms/step - loss: 202753.2344 - mape: 44.4446 - val_loss: 1527505.2500 - val_mape: 62.4843\n",
|
| 346 |
+
"Epoch 30/30\n",
|
| 347 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m17s\u001b[0m 42ms/step - loss: 199356.7812 - mape: 41.2339 - val_loss: 1449552.6250 - val_mape: 62.4894\n",
|
| 348 |
+
"{'num_conv_layers': 3, 'filters_0': 64, 'num_dense_layers': 3, 'dense_units_0': 256, 'dropout_0': 0.5, 'filters_1': 32, 'filters_2': 32, 'dense_units_1': 64, 'dropout_1': 0.3, 'dense_units_2': 64, 'dropout_2': 0.3}\n"
|
| 349 |
+
]
|
| 350 |
+
}
|
| 351 |
+
],
|
| 352 |
+
"source": [
|
| 353 |
+
"best_model = tuner.get_best_models(num_models=1)[0]\n",
|
| 354 |
+
"best_hps = tuner.get_best_hyperparameters(num_trials=1)[0]\n",
|
| 355 |
+
"\n",
|
| 356 |
+
"# the history object will contain a record of loss and metric values during training\n",
|
| 357 |
+
"history = best_model.fit({'image_input': train_images, 'scalar_input': train_feats}, ytrain,\n",
|
| 358 |
+
" batch_size=256,\n",
|
| 359 |
+
" epochs=30,\n",
|
| 360 |
+
" validation_data=(\n",
|
| 361 |
+
" {'image_input': test_images, 'scalar_input': test_feats},\n",
|
| 362 |
+
" ytest\n",
|
| 363 |
+
" )\n",
|
| 364 |
+
" )\n",
|
| 365 |
+
"\n",
|
| 366 |
+
"print(best_hps.values)\n"
|
| 367 |
+
]
|
| 368 |
+
},
|
| 369 |
+
{
|
| 370 |
+
"cell_type": "code",
|
| 371 |
+
"execution_count": 41,
|
| 372 |
+
"id": "b1ac814f",
|
| 373 |
+
"metadata": {},
|
| 374 |
+
"outputs": [],
|
| 375 |
+
"source": [
|
| 376 |
+
"temp_model = best_model"
|
| 377 |
+
]
|
| 378 |
+
},
|
| 379 |
+
{
|
| 380 |
+
"cell_type": "code",
|
| 381 |
+
"execution_count": 42,
|
| 382 |
+
"id": "9c6ce54d",
|
| 383 |
+
"metadata": {},
|
| 384 |
+
"outputs": [
|
| 385 |
+
{
|
| 386 |
+
"name": "stdout",
|
| 387 |
+
"output_type": "stream",
|
| 388 |
+
"text": [
|
| 389 |
+
"0 image_input <class 'keras.src.layers.core.input_layer.InputLayer'>\n",
|
| 390 |
+
"1 conv2d <class 'keras.src.layers.convolutional.conv2d.Conv2D'>\n",
|
| 391 |
+
"2 max_pooling2d <class 'keras.src.layers.pooling.max_pooling2d.MaxPooling2D'>\n",
|
| 392 |
+
"3 conv2d_1 <class 'keras.src.layers.convolutional.conv2d.Conv2D'>\n",
|
| 393 |
+
"4 max_pooling2d_1 <class 'keras.src.layers.pooling.max_pooling2d.MaxPooling2D'>\n",
|
| 394 |
+
"5 conv2d_2 <class 'keras.src.layers.convolutional.conv2d.Conv2D'>\n",
|
| 395 |
+
"6 max_pooling2d_2 <class 'keras.src.layers.pooling.max_pooling2d.MaxPooling2D'>\n",
|
| 396 |
+
"7 flatten <class 'keras.src.layers.reshaping.flatten.Flatten'>\n",
|
| 397 |
+
"8 scalar_input <class 'keras.src.layers.core.input_layer.InputLayer'>\n",
|
| 398 |
+
"9 concatenate <class 'keras.src.layers.merging.concatenate.Concatenate'>\n",
|
| 399 |
+
"10 dense <class 'keras.src.layers.core.dense.Dense'>\n",
|
| 400 |
+
"11 dropout <class 'keras.src.layers.regularization.dropout.Dropout'>\n",
|
| 401 |
+
"12 dense_1 <class 'keras.src.layers.core.dense.Dense'>\n",
|
| 402 |
+
"13 dropout_1 <class 'keras.src.layers.regularization.dropout.Dropout'>\n",
|
| 403 |
+
"14 dense_2 <class 'keras.src.layers.core.dense.Dense'>\n",
|
| 404 |
+
"15 dropout_2 <class 'keras.src.layers.regularization.dropout.Dropout'>\n",
|
| 405 |
+
"16 output <class 'keras.src.layers.core.dense.Dense'>\n"
|
| 406 |
+
]
|
| 407 |
+
}
|
| 408 |
+
],
|
| 409 |
+
"source": [
|
| 410 |
+
"#print layer index to input in the layer views. (conv2d)\n",
|
| 411 |
+
"for i, layer in enumerate(temp_model.layers):\n",
|
| 412 |
+
" print(i, layer.name, type(layer))\n"
|
| 413 |
+
]
|
| 414 |
+
},
|
| 415 |
+
{
|
| 416 |
+
"cell_type": "markdown",
|
| 417 |
+
"id": "9d461d50",
|
| 418 |
+
"metadata": {},
|
| 419 |
+
"source": [
|
| 420 |
+
"# Making input for velocity x"
|
| 421 |
+
]
|
| 422 |
+
},
|
| 423 |
+
{
|
| 424 |
+
"cell_type": "code",
|
| 425 |
+
"execution_count": 93,
|
| 426 |
+
"id": "3fdbe35b",
|
| 427 |
+
"metadata": {},
|
| 428 |
+
"outputs": [],
|
| 429 |
+
"source": [
|
| 430 |
+
"data = xr.open_dataset('conv_velocity_x_3031.nc')\n",
|
| 431 |
+
"#data = xr.open_dataset(r'C:\\Users\\marku\\Desktop\\4år\\AML\\Final_project_huggingface\\finalprojectdata\\conv_train_1.nc')"
|
| 432 |
+
]
|
| 433 |
+
},
|
| 434 |
+
{
|
| 435 |
+
"cell_type": "code",
|
| 436 |
+
"execution_count": 94,
|
| 437 |
+
"id": "4b553b6a",
|
| 438 |
+
"metadata": {},
|
| 439 |
+
"outputs": [
|
| 440 |
+
{
|
| 441 |
+
"name": "stderr",
|
| 442 |
+
"output_type": "stream",
|
| 443 |
+
"text": [
|
| 444 |
+
"/var/folders/44/y59xjnbx6fqfgz896mcmxfw80000gn/T/ipykernel_99782/2935343825.py:5: FutureWarning: The return type of `Dataset.dims` will be changed to return a set of dimension names in future, in order to be more consistent with `DataArray.dims`. To access a mapping from dimension names to lengths, please use `Dataset.sizes`.\n",
|
| 445 |
+
" dim_name = list(data.dims.keys())[0] # assumes single major dimension like 'obs'\n"
|
| 446 |
+
]
|
| 447 |
+
}
|
| 448 |
+
],
|
| 449 |
+
"source": [
|
| 450 |
+
"scalar_feats = ['vx', 'vy', 'v', 'smb', 'z', 's', 'temp']\n",
|
| 451 |
+
"feats = np.array([data[feat].values for feat in scalar_feats]).T\n",
|
| 452 |
+
"\n",
|
| 453 |
+
"# 1. Find correct dimension name (e.g., 'obs')\n",
|
| 454 |
+
"dim_name = list(data.dims.keys())[0] # assumes single major dimension like 'obs'\n",
|
| 455 |
+
"\n",
|
| 456 |
+
"# 2. Find odd (odd) indices using xarray logic\n",
|
| 457 |
+
"grid_ids = data[\"gridCellId\"].values.astype(int)\n",
|
| 458 |
+
"odd_mask = grid_ids % 2 == 1\n",
|
| 459 |
+
"odd_idx = np.where(odd_mask)[0]\n",
|
| 460 |
+
"test_idx = np.where(~odd_mask)[0]\n",
|
| 461 |
+
"\n",
|
| 462 |
+
"# 3. Extract scalar features as a stacked array (samples x features)\n",
|
| 463 |
+
"scalar_feats = ['vx', 'vy', 'v', 'smb', 'z', 's', 'temp']\n",
|
| 464 |
+
"feats = np.stack([data[feat].values for feat in scalar_feats], axis=-1)\n",
|
| 465 |
+
"\n",
|
| 466 |
+
"# 4. Create train/test splits using .isel and values\n",
|
| 467 |
+
"train_images = data[\"images\"].isel({dim_name: odd_idx}).values\n",
|
| 468 |
+
"test_images = data[\"images\"].isel({dim_name: test_idx}).values\n",
|
| 469 |
+
"\n",
|
| 470 |
+
"train_feats = feats[odd_idx]\n",
|
| 471 |
+
"test_feats = feats[test_idx]\n",
|
| 472 |
+
"\n",
|
| 473 |
+
"ytrain = data[\"THICK\"].isel({dim_name: odd_idx}).values\n",
|
| 474 |
+
"ytest = data[\"THICK\"].isel({dim_name: test_idx}).values\n",
|
| 475 |
+
"\n",
|
| 476 |
+
"ytrain = data.THICK.values[odd_idx]\n",
|
| 477 |
+
"ytest = data.THICK.values[test_idx]\n"
|
| 478 |
+
]
|
| 479 |
+
},
|
| 480 |
+
{
|
| 481 |
+
"cell_type": "code",
|
| 482 |
+
"execution_count": 95,
|
| 483 |
+
"id": "787706eb",
|
| 484 |
+
"metadata": {},
|
| 485 |
+
"outputs": [
|
| 486 |
+
{
|
| 487 |
+
"name": "stdout",
|
| 488 |
+
"output_type": "stream",
|
| 489 |
+
"text": [
|
| 490 |
+
"(104876, 27, 27)\n",
|
| 491 |
+
"False\n",
|
| 492 |
+
"0\n",
|
| 493 |
+
"76454604\n"
|
| 494 |
+
]
|
| 495 |
+
}
|
| 496 |
+
],
|
| 497 |
+
"source": [
|
| 498 |
+
"train_images = data[\"images\"].isel({dim_name: odd_idx}).load().values\n",
|
| 499 |
+
"test_images = data[\"images\"].isel({dim_name: test_idx}).load().values\n",
|
| 500 |
+
"\n",
|
| 501 |
+
"train_images = np.nan_to_num(train_images, nan=0.0)\n",
|
| 502 |
+
"test_images = np.nan_to_num(test_images, nan=0.0)\n",
|
| 503 |
+
"\n",
|
| 504 |
+
"print(train_images.shape) # should be (N, 27, 27)\n",
|
| 505 |
+
"print(np.isnan(train_images).all()) # should be False\n",
|
| 506 |
+
"print(np.isnan(train_images).sum()) # total NaNs\n",
|
| 507 |
+
"print(104876 * 27 *27)\n"
|
| 508 |
+
]
|
| 509 |
+
},
|
| 510 |
+
{
|
| 511 |
+
"cell_type": "code",
|
| 512 |
+
"execution_count": 96,
|
| 513 |
+
"id": "479d911e",
|
| 514 |
+
"metadata": {},
|
| 515 |
+
"outputs": [],
|
| 516 |
+
"source": [
|
| 517 |
+
"#---------standardize labels-------------------\n",
|
| 518 |
+
"# Compute mean and std from training labels\n",
|
| 519 |
+
"y_mean = ytrain.mean()\n",
|
| 520 |
+
"y_std = ytrain.std()\n",
|
| 521 |
+
"\n",
|
| 522 |
+
"# Standardize ytrain and ytest using training statistics\n",
|
| 523 |
+
"ytrain_std = (ytrain - y_mean) / y_std\n",
|
| 524 |
+
"ytest_std = (ytest - y_mean) / y_std\n",
|
| 525 |
+
"#to convert back to original scale, use:\n",
|
| 526 |
+
"# ypreds_orig = ypreds * y_std + y_mean\n",
|
| 527 |
+
"#----------------------------------------------\n",
|
| 528 |
+
"\n",
|
| 529 |
+
"# ytrain = ytrain.values\n",
|
| 530 |
+
"# ytest = ytest.values\n",
|
| 531 |
+
"\n",
|
| 532 |
+
"# explicitly illustrating standardization\n",
|
| 533 |
+
"def standardizeimg(img, mu, sigma):\n",
|
| 534 |
+
" return (img-mu)/(sigma).astype(np.float32)\n",
|
| 535 |
+
"\n",
|
| 536 |
+
"# save for scaling test dataA\n",
|
| 537 |
+
"mu_train = np.mean(train_images)\n",
|
| 538 |
+
"sigma_train = np.std(train_images)\n",
|
| 539 |
+
"\n",
|
| 540 |
+
"# Standardize pixel distribution to have zero mean and unit variance\n",
|
| 541 |
+
"train_images = standardizeimg(img=train_images, mu=mu_train, sigma=sigma_train)\n",
|
| 542 |
+
"test_images = standardizeimg(img=test_images, mu=np.mean(test_images), sigma=np.std(test_images))\n",
|
| 543 |
+
"\n",
|
| 544 |
+
"# adapt to format required by tensorflow; Using channels_last --> (n_samples, img_rows, img_cols, n_channels)\n",
|
| 545 |
+
"img_rows, img_cols = 27, 27 # input image dimensions\n",
|
| 546 |
+
"train_images = train_images.reshape(train_images.shape[0], img_rows, img_cols, 1)\n",
|
| 547 |
+
"test_images = test_images.reshape(test_images.shape[0], img_rows, img_cols, 1)"
|
| 548 |
+
]
|
| 549 |
+
},
|
| 550 |
+
{
|
| 551 |
+
"cell_type": "code",
|
| 552 |
+
"execution_count": 97,
|
| 553 |
+
"id": "97402506",
|
| 554 |
+
"metadata": {},
|
| 555 |
+
"outputs": [],
|
| 556 |
+
"source": [
|
| 557 |
+
"velocity_x_train_images = train_images\n",
|
| 558 |
+
"velocity_x_test_feats = test_feats\n",
|
| 559 |
+
"velocity_x_train_feats = train_feats\n",
|
| 560 |
+
"velocity_x_test_images = test_images"
|
| 561 |
+
]
|
| 562 |
+
},
|
| 563 |
+
{
|
| 564 |
+
"cell_type": "markdown",
|
| 565 |
+
"id": "f08a93af",
|
| 566 |
+
"metadata": {},
|
| 567 |
+
"source": [
|
| 568 |
+
"# Making model for velocity x"
|
| 569 |
+
]
|
| 570 |
+
},
|
| 571 |
+
{
|
| 572 |
+
"cell_type": "code",
|
| 573 |
+
"execution_count": 48,
|
| 574 |
+
"id": "fa7cb71a",
|
| 575 |
+
"metadata": {},
|
| 576 |
+
"outputs": [],
|
| 577 |
+
"source": [
|
| 578 |
+
"def build_model(hp):\n",
|
| 579 |
+
" IMAGE_HEIGHT, IMAGE_WIDTH, IMAGE_CHANNELS = 27, 27, 1\n",
|
| 580 |
+
" NUM_SCALAR_FEATURES = 7\n",
|
| 581 |
+
"\n",
|
| 582 |
+
" image_input = layers.Input(shape=(IMAGE_HEIGHT, IMAGE_WIDTH, IMAGE_CHANNELS), name='image_input')\n",
|
| 583 |
+
" x = image_input\n",
|
| 584 |
+
"\n",
|
| 585 |
+
" # Tune number of conv layers: 1 to 3\n",
|
| 586 |
+
" for i in range(hp.Int('num_conv_layers', 1, 3)):\n",
|
| 587 |
+
" filters = hp.Int(f'filters_{i}', 32, 128, step=32)\n",
|
| 588 |
+
" x = layers.Conv2D(filters, (3, 3), activation='relu', padding='same')(x)\n",
|
| 589 |
+
" x = layers.MaxPooling2D((2, 2))(x)\n",
|
| 590 |
+
"\n",
|
| 591 |
+
" x = layers.Flatten()(x)\n",
|
| 592 |
+
"\n",
|
| 593 |
+
" # Scalar branch\n",
|
| 594 |
+
" scalar_input = layers.Input(shape=(NUM_SCALAR_FEATURES,), name='scalar_input')\n",
|
| 595 |
+
" y = scalar_input # you could also add dense layers here\n",
|
| 596 |
+
"\n",
|
| 597 |
+
" # Merge\n",
|
| 598 |
+
" z = layers.concatenate([x, y])\n",
|
| 599 |
+
"\n",
|
| 600 |
+
" # Tune number of dense layers: 1 to 3\n",
|
| 601 |
+
" for i in range(hp.Int('num_dense_layers', 1, 3)):\n",
|
| 602 |
+
" units = hp.Int(f'dense_units_{i}', 64, 256, step=64)\n",
|
| 603 |
+
" z = layers.Dense(units, activation='relu')(z)\n",
|
| 604 |
+
" z = layers.Dropout(hp.Float(f'dropout_{i}', 0.3, 0.7, step=0.1))(z)\n",
|
| 605 |
+
"\n",
|
| 606 |
+
" output = layers.Dense(1, name='output')(z)\n",
|
| 607 |
+
"\n",
|
| 608 |
+
" model = keras.Model(inputs=[image_input, scalar_input], outputs=output)\n",
|
| 609 |
+
"\n",
|
| 610 |
+
" model.compile(\n",
|
| 611 |
+
" optimizer='adam',\n",
|
| 612 |
+
" loss='mse',\n",
|
| 613 |
+
" metrics=['mape']\n",
|
| 614 |
+
" )\n",
|
| 615 |
+
"\n",
|
| 616 |
+
" return model\n"
|
| 617 |
+
]
|
| 618 |
+
},
|
| 619 |
+
{
|
| 620 |
+
"cell_type": "code",
|
| 621 |
+
"execution_count": 49,
|
| 622 |
+
"id": "45dad959",
|
| 623 |
+
"metadata": {},
|
| 624 |
+
"outputs": [
|
| 625 |
+
{
|
| 626 |
+
"name": "stdout",
|
| 627 |
+
"output_type": "stream",
|
| 628 |
+
"text": [
|
| 629 |
+
"Reloading Tuner from Code/ice_thickness_cnn_velocity_x/tuner0.json\n"
|
| 630 |
+
]
|
| 631 |
+
}
|
| 632 |
+
],
|
| 633 |
+
"source": [
|
| 634 |
+
"tuner = kt.RandomSearch(\n",
|
| 635 |
+
" build_model,\n",
|
| 636 |
+
" objective='val_mape',\n",
|
| 637 |
+
" max_trials=1,\n",
|
| 638 |
+
" executions_per_trial=1,\n",
|
| 639 |
+
" directory='Code', #skift directory\n",
|
| 640 |
+
" project_name='ice_thickness_cnn_velocity_x'\n",
|
| 641 |
+
")\n"
|
| 642 |
+
]
|
| 643 |
+
},
|
| 644 |
+
{
|
| 645 |
+
"cell_type": "code",
|
| 646 |
+
"execution_count": 50,
|
| 647 |
+
"id": "e81e32f3",
|
| 648 |
+
"metadata": {},
|
| 649 |
+
"outputs": [],
|
| 650 |
+
"source": [
|
| 651 |
+
"tuner.search(\n",
|
| 652 |
+
" {'image_input': train_images, 'scalar_input': train_feats},\n",
|
| 653 |
+
" ytrain_std,\n",
|
| 654 |
+
" validation_data=({'image_input': test_images, 'scalar_input': test_feats}, ytest_std),\n",
|
| 655 |
+
" epochs=30,\n",
|
| 656 |
+
" batch_size=320\n",
|
| 657 |
+
")\n"
|
| 658 |
+
]
|
| 659 |
+
},
|
| 660 |
+
{
|
| 661 |
+
"cell_type": "code",
|
| 662 |
+
"execution_count": 51,
|
| 663 |
+
"id": "f0317f53",
|
| 664 |
+
"metadata": {},
|
| 665 |
+
"outputs": [
|
| 666 |
+
{
|
| 667 |
+
"name": "stdout",
|
| 668 |
+
"output_type": "stream",
|
| 669 |
+
"text": [
|
| 670 |
+
"Epoch 1/30\n"
|
| 671 |
+
]
|
| 672 |
+
},
|
| 673 |
+
{
|
| 674 |
+
"name": "stderr",
|
| 675 |
+
"output_type": "stream",
|
| 676 |
+
"text": [
|
| 677 |
+
"/opt/miniconda3/envs/appml/lib/python3.12/site-packages/keras/src/saving/saving_lib.py:757: UserWarning: Skipping variable loading for optimizer 'adam', because it has 2 variables whereas the saved optimizer has 14 variables. \n",
|
| 678 |
+
" saveable.load_own_variables(weights_store.get(inner_path))\n"
|
| 679 |
+
]
|
| 680 |
+
},
|
| 681 |
+
{
|
| 682 |
+
"name": "stdout",
|
| 683 |
+
"output_type": "stream",
|
| 684 |
+
"text": [
|
| 685 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m26s\u001b[0m 62ms/step - loss: 1336781.1250 - mape: 94.4451 - val_loss: 402673.8125 - val_mape: 83.2502\n",
|
| 686 |
+
"Epoch 2/30\n",
|
| 687 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 62ms/step - loss: 376983.5938 - mape: 81.8606 - val_loss: 397838.0312 - val_mape: 81.0186\n",
|
| 688 |
+
"Epoch 3/30\n",
|
| 689 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 60ms/step - loss: 355808.5312 - mape: 75.7192 - val_loss: 425336.6250 - val_mape: 86.4529\n",
|
| 690 |
+
"Epoch 4/30\n",
|
| 691 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 60ms/step - loss: 349947.9688 - mape: 74.3684 - val_loss: 412210.1875 - val_mape: 80.8694\n",
|
| 692 |
+
"Epoch 5/30\n",
|
| 693 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 60ms/step - loss: 347800.2500 - mape: 70.8257 - val_loss: 410407.2188 - val_mape: 81.3800\n",
|
| 694 |
+
"Epoch 6/30\n",
|
| 695 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m24s\u001b[0m 59ms/step - loss: 343076.8750 - mape: 66.2485 - val_loss: 413585.8438 - val_mape: 80.6193\n",
|
| 696 |
+
"Epoch 7/30\n",
|
| 697 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 338296.5625 - mape: 61.7042 - val_loss: 440204.6562 - val_mape: 83.4736\n",
|
| 698 |
+
"Epoch 8/30\n",
|
| 699 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 60ms/step - loss: 338269.9688 - mape: 78.8218 - val_loss: 439547.8125 - val_mape: 83.8019\n",
|
| 700 |
+
"Epoch 9/30\n",
|
| 701 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 60ms/step - loss: 337441.4375 - mape: 68.3473 - val_loss: 421031.0938 - val_mape: 79.7825\n",
|
| 702 |
+
"Epoch 10/30\n",
|
| 703 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m24s\u001b[0m 60ms/step - loss: 334431.6875 - mape: 62.2757 - val_loss: 434559.5000 - val_mape: 81.9299\n",
|
| 704 |
+
"Epoch 11/30\n",
|
| 705 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m24s\u001b[0m 60ms/step - loss: 330628.7188 - mape: 67.0346 - val_loss: 426703.2188 - val_mape: 80.5096\n",
|
| 706 |
+
"Epoch 12/30\n",
|
| 707 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 60ms/step - loss: 329001.2188 - mape: 60.4632 - val_loss: 495423.5625 - val_mape: 90.1190\n",
|
| 708 |
+
"Epoch 13/30\n",
|
| 709 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 60ms/step - loss: 328941.9375 - mape: 65.3010 - val_loss: 467750.2812 - val_mape: 83.2061\n",
|
| 710 |
+
"Epoch 14/30\n",
|
| 711 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 331812.5625 - mape: 63.4937 - val_loss: 477939.2188 - val_mape: 84.8599\n",
|
| 712 |
+
"Epoch 15/30\n",
|
| 713 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 62ms/step - loss: 329210.5000 - mape: 75.2823 - val_loss: 456409.5938 - val_mape: 80.1059\n",
|
| 714 |
+
"Epoch 16/30\n",
|
| 715 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 328857.8125 - mape: 65.3842 - val_loss: 452057.6250 - val_mape: 80.7951\n",
|
| 716 |
+
"Epoch 17/30\n",
|
| 717 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m27s\u001b[0m 67ms/step - loss: 325523.3125 - mape: 62.9261 - val_loss: 491969.1562 - val_mape: 85.2202\n",
|
| 718 |
+
"Epoch 18/30\n",
|
| 719 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 62ms/step - loss: 324142.6562 - mape: 62.9701 - val_loss: 502907.9375 - val_mape: 84.6040\n",
|
| 720 |
+
"Epoch 19/30\n",
|
| 721 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 319110.1250 - mape: 67.9875 - val_loss: 502296.0000 - val_mape: 85.2477\n",
|
| 722 |
+
"Epoch 20/30\n",
|
| 723 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 321136.6562 - mape: 57.8185 - val_loss: 488749.4375 - val_mape: 82.2132\n",
|
| 724 |
+
"Epoch 21/30\n",
|
| 725 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 322892.1875 - mape: 64.9246 - val_loss: 484901.4375 - val_mape: 80.4933\n",
|
| 726 |
+
"Epoch 22/30\n",
|
| 727 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 62ms/step - loss: 320698.3125 - mape: 56.5604 - val_loss: 537694.0000 - val_mape: 86.5828\n",
|
| 728 |
+
"Epoch 23/30\n",
|
| 729 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m24s\u001b[0m 60ms/step - loss: 318536.7812 - mape: 61.6400 - val_loss: 576138.1875 - val_mape: 88.1680\n",
|
| 730 |
+
"Epoch 24/30\n",
|
| 731 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 312640.9062 - mape: 60.6539 - val_loss: 554938.8750 - val_mape: 85.1195\n",
|
| 732 |
+
"Epoch 25/30\n",
|
| 733 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 313884.0938 - mape: 64.3577 - val_loss: 559988.4375 - val_mape: 83.6795\n",
|
| 734 |
+
"Epoch 26/30\n",
|
| 735 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 60ms/step - loss: 310639.0625 - mape: 56.2810 - val_loss: 626199.4375 - val_mape: 90.2817\n",
|
| 736 |
+
"Epoch 27/30\n",
|
| 737 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 308615.3438 - mape: 64.2963 - val_loss: 636396.3125 - val_mape: 86.8326\n",
|
| 738 |
+
"Epoch 28/30\n",
|
| 739 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 62ms/step - loss: 312875.8438 - mape: 62.2947 - val_loss: 724409.8750 - val_mape: 94.1799\n",
|
| 740 |
+
"Epoch 29/30\n",
|
| 741 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 306166.5000 - mape: 71.2832 - val_loss: 620627.0625 - val_mape: 84.5451\n",
|
| 742 |
+
"Epoch 30/30\n",
|
| 743 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m25s\u001b[0m 61ms/step - loss: 307904.2812 - mape: 55.6592 - val_loss: 785187.5625 - val_mape: 95.3243\n",
|
| 744 |
+
"{'num_conv_layers': 1, 'filters_0': 128, 'num_dense_layers': 1, 'dense_units_0': 192, 'dropout_0': 0.3}\n"
|
| 745 |
+
]
|
| 746 |
+
}
|
| 747 |
+
],
|
| 748 |
+
"source": [
|
| 749 |
+
"best_model = tuner.get_best_models(num_models=1)[0]\n",
|
| 750 |
+
"best_hps = tuner.get_best_hyperparameters(num_trials=1)[0]\n",
|
| 751 |
+
"\n",
|
| 752 |
+
"# the history object will contain a record of loss and metric values during training\n",
|
| 753 |
+
"history = best_model.fit({'image_input': train_images, 'scalar_input': train_feats}, ytrain,\n",
|
| 754 |
+
" batch_size=256,\n",
|
| 755 |
+
" epochs=30,\n",
|
| 756 |
+
" validation_data=(\n",
|
| 757 |
+
" {'image_input': test_images, 'scalar_input': test_feats},\n",
|
| 758 |
+
" ytest\n",
|
| 759 |
+
" )\n",
|
| 760 |
+
" )\n",
|
| 761 |
+
"\n",
|
| 762 |
+
"print(best_hps.values)\n"
|
| 763 |
+
]
|
| 764 |
+
},
|
| 765 |
+
{
|
| 766 |
+
"cell_type": "markdown",
|
| 767 |
+
"id": "441cfd20",
|
| 768 |
+
"metadata": {},
|
| 769 |
+
"source": [
|
| 770 |
+
"Tunable model end."
|
| 771 |
+
]
|
| 772 |
+
},
|
| 773 |
+
{
|
| 774 |
+
"cell_type": "code",
|
| 775 |
+
"execution_count": 52,
|
| 776 |
+
"id": "74958028",
|
| 777 |
+
"metadata": {},
|
| 778 |
+
"outputs": [],
|
| 779 |
+
"source": [
|
| 780 |
+
"velocity_x_model = best_model"
|
| 781 |
+
]
|
| 782 |
+
},
|
| 783 |
+
{
|
| 784 |
+
"cell_type": "code",
|
| 785 |
+
"execution_count": 53,
|
| 786 |
+
"id": "758ca058",
|
| 787 |
+
"metadata": {},
|
| 788 |
+
"outputs": [
|
| 789 |
+
{
|
| 790 |
+
"name": "stdout",
|
| 791 |
+
"output_type": "stream",
|
| 792 |
+
"text": [
|
| 793 |
+
"[(None, 27, 27, 1), (None, 7)]\n"
|
| 794 |
+
]
|
| 795 |
+
}
|
| 796 |
+
],
|
| 797 |
+
"source": [
|
| 798 |
+
"print(velocity_x_model.input_shape)"
|
| 799 |
+
]
|
| 800 |
+
},
|
| 801 |
+
{
|
| 802 |
+
"cell_type": "code",
|
| 803 |
+
"execution_count": 54,
|
| 804 |
+
"id": "5a37e40b",
|
| 805 |
+
"metadata": {},
|
| 806 |
+
"outputs": [
|
| 807 |
+
{
|
| 808 |
+
"name": "stdout",
|
| 809 |
+
"output_type": "stream",
|
| 810 |
+
"text": [
|
| 811 |
+
"0 image_input <class 'keras.src.layers.core.input_layer.InputLayer'>\n",
|
| 812 |
+
"1 conv2d <class 'keras.src.layers.convolutional.conv2d.Conv2D'>\n",
|
| 813 |
+
"2 max_pooling2d <class 'keras.src.layers.pooling.max_pooling2d.MaxPooling2D'>\n",
|
| 814 |
+
"3 flatten <class 'keras.src.layers.reshaping.flatten.Flatten'>\n",
|
| 815 |
+
"4 scalar_input <class 'keras.src.layers.core.input_layer.InputLayer'>\n",
|
| 816 |
+
"5 concatenate <class 'keras.src.layers.merging.concatenate.Concatenate'>\n",
|
| 817 |
+
"6 dense <class 'keras.src.layers.core.dense.Dense'>\n",
|
| 818 |
+
"7 dropout <class 'keras.src.layers.regularization.dropout.Dropout'>\n",
|
| 819 |
+
"8 output <class 'keras.src.layers.core.dense.Dense'>\n"
|
| 820 |
+
]
|
| 821 |
+
}
|
| 822 |
+
],
|
| 823 |
+
"source": [
|
| 824 |
+
"#print layer index to input in the layer views. (conv2d)\n",
|
| 825 |
+
"for i, layer in enumerate(velocity_x_model.layers):\n",
|
| 826 |
+
" print(i, layer.name, type(layer))\n"
|
| 827 |
+
]
|
| 828 |
+
},
|
| 829 |
+
{
|
| 830 |
+
"cell_type": "markdown",
|
| 831 |
+
"id": "1d5ef788",
|
| 832 |
+
"metadata": {},
|
| 833 |
+
"source": [
|
| 834 |
+
"# Making input for velocity y"
|
| 835 |
+
]
|
| 836 |
+
},
|
| 837 |
+
{
|
| 838 |
+
"cell_type": "code",
|
| 839 |
+
"execution_count": 98,
|
| 840 |
+
"id": "627307d2",
|
| 841 |
+
"metadata": {},
|
| 842 |
+
"outputs": [],
|
| 843 |
+
"source": [
|
| 844 |
+
"data = xr.open_dataset('conv_velocity_y_3031.nc')\n",
|
| 845 |
+
"#data = xr.open_dataset(r'C:\\Users\\marku\\Desktop\\4år\\AML\\Final_project_huggingface\\finalprojectdata\\conv_train_1.nc')"
|
| 846 |
+
]
|
| 847 |
+
},
|
| 848 |
+
{
|
| 849 |
+
"cell_type": "code",
|
| 850 |
+
"execution_count": 99,
|
| 851 |
+
"id": "82f1d503",
|
| 852 |
+
"metadata": {},
|
| 853 |
+
"outputs": [
|
| 854 |
+
{
|
| 855 |
+
"name": "stderr",
|
| 856 |
+
"output_type": "stream",
|
| 857 |
+
"text": [
|
| 858 |
+
"/var/folders/44/y59xjnbx6fqfgz896mcmxfw80000gn/T/ipykernel_99782/2935343825.py:5: FutureWarning: The return type of `Dataset.dims` will be changed to return a set of dimension names in future, in order to be more consistent with `DataArray.dims`. To access a mapping from dimension names to lengths, please use `Dataset.sizes`.\n",
|
| 859 |
+
" dim_name = list(data.dims.keys())[0] # assumes single major dimension like 'obs'\n"
|
| 860 |
+
]
|
| 861 |
+
}
|
| 862 |
+
],
|
| 863 |
+
"source": [
|
| 864 |
+
"scalar_feats = ['vx', 'vy', 'v', 'smb', 'z', 's', 'temp']\n",
|
| 865 |
+
"feats = np.array([data[feat].values for feat in scalar_feats]).T\n",
|
| 866 |
+
"\n",
|
| 867 |
+
"# 1. Find correct dimension name (e.g., 'obs')\n",
|
| 868 |
+
"dim_name = list(data.dims.keys())[0] # assumes single major dimension like 'obs'\n",
|
| 869 |
+
"\n",
|
| 870 |
+
"# 2. Find odd (odd) indices using xarray logic\n",
|
| 871 |
+
"grid_ids = data[\"gridCellId\"].values.astype(int)\n",
|
| 872 |
+
"odd_mask = grid_ids % 2 == 1\n",
|
| 873 |
+
"odd_idx = np.where(odd_mask)[0]\n",
|
| 874 |
+
"test_idx = np.where(~odd_mask)[0]\n",
|
| 875 |
+
"\n",
|
| 876 |
+
"# 3. Extract scalar features as a stacked array (samples x features)\n",
|
| 877 |
+
"scalar_feats = ['vx', 'vy', 'v', 'smb', 'z', 's', 'temp']\n",
|
| 878 |
+
"feats = np.stack([data[feat].values for feat in scalar_feats], axis=-1)\n",
|
| 879 |
+
"\n",
|
| 880 |
+
"# 4. Create train/test splits using .isel and values\n",
|
| 881 |
+
"train_images = data[\"images\"].isel({dim_name: odd_idx}).values\n",
|
| 882 |
+
"test_images = data[\"images\"].isel({dim_name: test_idx}).values\n",
|
| 883 |
+
"\n",
|
| 884 |
+
"train_feats = feats[odd_idx]\n",
|
| 885 |
+
"test_feats = feats[test_idx]\n",
|
| 886 |
+
"\n",
|
| 887 |
+
"ytrain = data[\"THICK\"].isel({dim_name: odd_idx}).values\n",
|
| 888 |
+
"ytest = data[\"THICK\"].isel({dim_name: test_idx}).values\n",
|
| 889 |
+
"\n",
|
| 890 |
+
"ytrain = data.THICK.values[odd_idx]\n",
|
| 891 |
+
"ytest = data.THICK.values[test_idx]\n"
|
| 892 |
+
]
|
| 893 |
+
},
|
| 894 |
+
{
|
| 895 |
+
"cell_type": "code",
|
| 896 |
+
"execution_count": 100,
|
| 897 |
+
"id": "bcd71661",
|
| 898 |
+
"metadata": {},
|
| 899 |
+
"outputs": [
|
| 900 |
+
{
|
| 901 |
+
"name": "stdout",
|
| 902 |
+
"output_type": "stream",
|
| 903 |
+
"text": [
|
| 904 |
+
"(104876, 27, 27)\n",
|
| 905 |
+
"False\n",
|
| 906 |
+
"0\n",
|
| 907 |
+
"76454604\n"
|
| 908 |
+
]
|
| 909 |
+
}
|
| 910 |
+
],
|
| 911 |
+
"source": [
|
| 912 |
+
"train_images = data[\"images\"].isel({dim_name: odd_idx}).load().values\n",
|
| 913 |
+
"test_images = data[\"images\"].isel({dim_name: test_idx}).load().values\n",
|
| 914 |
+
"\n",
|
| 915 |
+
"train_images = np.nan_to_num(train_images, nan=0.0)\n",
|
| 916 |
+
"test_images = np.nan_to_num(test_images, nan=0.0)\n",
|
| 917 |
+
"\n",
|
| 918 |
+
"print(train_images.shape) # should be (N, 27, 27)\n",
|
| 919 |
+
"print(np.isnan(train_images).all()) # should be False\n",
|
| 920 |
+
"print(np.isnan(train_images).sum()) # total NaNs\n",
|
| 921 |
+
"print(104876 * 27 *27)\n"
|
| 922 |
+
]
|
| 923 |
+
},
|
| 924 |
+
{
|
| 925 |
+
"cell_type": "code",
|
| 926 |
+
"execution_count": 101,
|
| 927 |
+
"id": "6280c3d5",
|
| 928 |
+
"metadata": {},
|
| 929 |
+
"outputs": [],
|
| 930 |
+
"source": [
|
| 931 |
+
"#---------standardize labels-------------------\n",
|
| 932 |
+
"# Compute mean and std from training labels\n",
|
| 933 |
+
"y_mean = ytrain.mean()\n",
|
| 934 |
+
"y_std = ytrain.std()\n",
|
| 935 |
+
"\n",
|
| 936 |
+
"# Standardize ytrain and ytest using training statistics\n",
|
| 937 |
+
"ytrain_std = (ytrain - y_mean) / y_std\n",
|
| 938 |
+
"ytest_std = (ytest - y_mean) / y_std\n",
|
| 939 |
+
"#to convert back to original scale, use:\n",
|
| 940 |
+
"# ypreds_orig = ypreds * y_std + y_mean\n",
|
| 941 |
+
"#----------------------------------------------\n",
|
| 942 |
+
"\n",
|
| 943 |
+
"# ytrain = ytrain.values\n",
|
| 944 |
+
"# ytest = ytest.values\n",
|
| 945 |
+
"\n",
|
| 946 |
+
"# explicitly illustrating standardization\n",
|
| 947 |
+
"def standardizeimg(img, mu, sigma):\n",
|
| 948 |
+
" return (img-mu)/(sigma).astype(np.float32)\n",
|
| 949 |
+
"\n",
|
| 950 |
+
"# save for scaling test dataA\n",
|
| 951 |
+
"mu_train = np.mean(train_images)\n",
|
| 952 |
+
"sigma_train = np.std(train_images)\n",
|
| 953 |
+
"\n",
|
| 954 |
+
"# Standardize pixel distribution to have zero mean and unit variance\n",
|
| 955 |
+
"train_images = standardizeimg(img=train_images, mu=mu_train, sigma=sigma_train)\n",
|
| 956 |
+
"test_images = standardizeimg(img=test_images, mu=np.mean(test_images), sigma=np.std(test_images))\n",
|
| 957 |
+
"\n",
|
| 958 |
+
"# adapt to format required by tensorflow; Using channels_last --> (n_samples, img_rows, img_cols, n_channels)\n",
|
| 959 |
+
"img_rows, img_cols = 27, 27 # input image dimensions\n",
|
| 960 |
+
"train_images = train_images.reshape(train_images.shape[0], img_rows, img_cols, 1)\n",
|
| 961 |
+
"test_images = test_images.reshape(test_images.shape[0], img_rows, img_cols, 1)"
|
| 962 |
+
]
|
| 963 |
+
},
|
| 964 |
+
{
|
| 965 |
+
"cell_type": "code",
|
| 966 |
+
"execution_count": 102,
|
| 967 |
+
"id": "9fd94726",
|
| 968 |
+
"metadata": {},
|
| 969 |
+
"outputs": [],
|
| 970 |
+
"source": [
|
| 971 |
+
"velocity_y_train_images = train_images\n",
|
| 972 |
+
"velocity_y_test_feats = test_feats\n",
|
| 973 |
+
"velocity_y_train_feats = train_feats\n",
|
| 974 |
+
"velocity_y_test_images = test_images"
|
| 975 |
+
]
|
| 976 |
+
},
|
| 977 |
+
{
|
| 978 |
+
"cell_type": "markdown",
|
| 979 |
+
"id": "d5c11082",
|
| 980 |
+
"metadata": {},
|
| 981 |
+
"source": [
|
| 982 |
+
"# Making model for velocity y"
|
| 983 |
+
]
|
| 984 |
+
},
|
| 985 |
+
{
|
| 986 |
+
"cell_type": "code",
|
| 987 |
+
"execution_count": 60,
|
| 988 |
+
"id": "6a608f80",
|
| 989 |
+
"metadata": {},
|
| 990 |
+
"outputs": [],
|
| 991 |
+
"source": [
|
| 992 |
+
"def build_model(hp):\n",
|
| 993 |
+
" IMAGE_HEIGHT, IMAGE_WIDTH, IMAGE_CHANNELS = 27, 27, 1\n",
|
| 994 |
+
" NUM_SCALAR_FEATURES = 7\n",
|
| 995 |
+
"\n",
|
| 996 |
+
" image_input = layers.Input(shape=(IMAGE_HEIGHT, IMAGE_WIDTH, IMAGE_CHANNELS), name='image_input')\n",
|
| 997 |
+
" x = image_input\n",
|
| 998 |
+
"\n",
|
| 999 |
+
" # Tune number of conv layers: 1 to 3\n",
|
| 1000 |
+
" for i in range(hp.Int('num_conv_layers', 1, 3)):\n",
|
| 1001 |
+
" filters = hp.Int(f'filters_{i}', 32, 128, step=32)\n",
|
| 1002 |
+
" x = layers.Conv2D(filters, (3, 3), activation='relu', padding='same')(x)\n",
|
| 1003 |
+
" x = layers.MaxPooling2D((2, 2))(x)\n",
|
| 1004 |
+
"\n",
|
| 1005 |
+
" x = layers.Flatten()(x)\n",
|
| 1006 |
+
"\n",
|
| 1007 |
+
" # Scalar branch\n",
|
| 1008 |
+
" scalar_input = layers.Input(shape=(NUM_SCALAR_FEATURES,), name='scalar_input')\n",
|
| 1009 |
+
" y = scalar_input # you could also add dense layers here\n",
|
| 1010 |
+
"\n",
|
| 1011 |
+
" # Merge\n",
|
| 1012 |
+
" z = layers.concatenate([x, y])\n",
|
| 1013 |
+
"\n",
|
| 1014 |
+
" # Tune number of dense layers: 1 to 3\n",
|
| 1015 |
+
" for i in range(hp.Int('num_dense_layers', 1, 3)):\n",
|
| 1016 |
+
" units = hp.Int(f'dense_units_{i}', 64, 256, step=64)\n",
|
| 1017 |
+
" z = layers.Dense(units, activation='relu')(z)\n",
|
| 1018 |
+
" z = layers.Dropout(hp.Float(f'dropout_{i}', 0.3, 0.7, step=0.1))(z)\n",
|
| 1019 |
+
"\n",
|
| 1020 |
+
" output = layers.Dense(1, name='output')(z)\n",
|
| 1021 |
+
"\n",
|
| 1022 |
+
" model = keras.Model(inputs=[image_input, scalar_input], outputs=output)\n",
|
| 1023 |
+
"\n",
|
| 1024 |
+
" model.compile(\n",
|
| 1025 |
+
" optimizer='adam',\n",
|
| 1026 |
+
" loss='mse',\n",
|
| 1027 |
+
" metrics=['mape']\n",
|
| 1028 |
+
" )\n",
|
| 1029 |
+
"\n",
|
| 1030 |
+
" return model\n"
|
| 1031 |
+
]
|
| 1032 |
+
},
|
| 1033 |
+
{
|
| 1034 |
+
"cell_type": "code",
|
| 1035 |
+
"execution_count": 61,
|
| 1036 |
+
"id": "3522b27b",
|
| 1037 |
+
"metadata": {},
|
| 1038 |
+
"outputs": [
|
| 1039 |
+
{
|
| 1040 |
+
"name": "stdout",
|
| 1041 |
+
"output_type": "stream",
|
| 1042 |
+
"text": [
|
| 1043 |
+
"Reloading Tuner from Code/ice_thickness_cnn_velocity_y/tuner0.json\n"
|
| 1044 |
+
]
|
| 1045 |
+
}
|
| 1046 |
+
],
|
| 1047 |
+
"source": [
|
| 1048 |
+
"tuner = kt.RandomSearch(\n",
|
| 1049 |
+
" build_model,\n",
|
| 1050 |
+
" objective='val_mape',\n",
|
| 1051 |
+
" max_trials=1,\n",
|
| 1052 |
+
" executions_per_trial=1,\n",
|
| 1053 |
+
" directory='Code', #skift directory\n",
|
| 1054 |
+
" project_name='ice_thickness_cnn_velocity_y'\n",
|
| 1055 |
+
")\n"
|
| 1056 |
+
]
|
| 1057 |
+
},
|
| 1058 |
+
{
|
| 1059 |
+
"cell_type": "code",
|
| 1060 |
+
"execution_count": 62,
|
| 1061 |
+
"id": "e92ba9a3",
|
| 1062 |
+
"metadata": {},
|
| 1063 |
+
"outputs": [],
|
| 1064 |
+
"source": [
|
| 1065 |
+
"tuner.search(\n",
|
| 1066 |
+
" {'image_input': train_images, 'scalar_input': train_feats},\n",
|
| 1067 |
+
" ytrain_std,\n",
|
| 1068 |
+
" validation_data=({'image_input': test_images, 'scalar_input': test_feats}, ytest_std),\n",
|
| 1069 |
+
" epochs=30,\n",
|
| 1070 |
+
" batch_size=320\n",
|
| 1071 |
+
")\n"
|
| 1072 |
+
]
|
| 1073 |
+
},
|
| 1074 |
+
{
|
| 1075 |
+
"cell_type": "code",
|
| 1076 |
+
"execution_count": 63,
|
| 1077 |
+
"id": "49e60ba0",
|
| 1078 |
+
"metadata": {},
|
| 1079 |
+
"outputs": [
|
| 1080 |
+
{
|
| 1081 |
+
"name": "stdout",
|
| 1082 |
+
"output_type": "stream",
|
| 1083 |
+
"text": [
|
| 1084 |
+
"Epoch 1/30\n"
|
| 1085 |
+
]
|
| 1086 |
+
},
|
| 1087 |
+
{
|
| 1088 |
+
"name": "stderr",
|
| 1089 |
+
"output_type": "stream",
|
| 1090 |
+
"text": [
|
| 1091 |
+
"/opt/miniconda3/envs/appml/lib/python3.12/site-packages/keras/src/saving/saving_lib.py:757: UserWarning: Skipping variable loading for optimizer 'adam', because it has 2 variables whereas the saved optimizer has 22 variables. \n",
|
| 1092 |
+
" saveable.load_own_variables(weights_store.get(inner_path))\n"
|
| 1093 |
+
]
|
| 1094 |
+
},
|
| 1095 |
+
{
|
| 1096 |
+
"name": "stdout",
|
| 1097 |
+
"output_type": "stream",
|
| 1098 |
+
"text": [
|
| 1099 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m9s\u001b[0m 22ms/step - loss: 1529231.3750 - mape: 80.2615 - val_loss: 346213.4375 - val_mape: 59.4315\n",
|
| 1100 |
+
"Epoch 2/30\n",
|
| 1101 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m10s\u001b[0m 24ms/step - loss: 409711.1250 - mape: 65.2273 - val_loss: 327204.7500 - val_mape: 54.8219\n",
|
| 1102 |
+
"Epoch 3/30\n",
|
| 1103 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m9s\u001b[0m 23ms/step - loss: 389924.4375 - mape: 59.2036 - val_loss: 324795.1562 - val_mape: 53.2256\n",
|
| 1104 |
+
"Epoch 4/30\n",
|
| 1105 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 376415.0625 - mape: 61.4746 - val_loss: 376634.3438 - val_mape: 49.7954\n",
|
| 1106 |
+
"Epoch 5/30\n",
|
| 1107 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 362309.7812 - mape: 60.8802 - val_loss: 306044.6562 - val_mape: 51.8332\n",
|
| 1108 |
+
"Epoch 6/30\n",
|
| 1109 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 347181.0000 - mape: 52.1235 - val_loss: 391396.9375 - val_mape: 49.0921\n",
|
| 1110 |
+
"Epoch 7/30\n",
|
| 1111 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 347959.7812 - mape: 56.6309 - val_loss: 345264.6875 - val_mape: 49.9262\n",
|
| 1112 |
+
"Epoch 8/30\n",
|
| 1113 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 337799.5938 - mape: 57.1972 - val_loss: 339674.9062 - val_mape: 49.1977\n",
|
| 1114 |
+
"Epoch 9/30\n",
|
| 1115 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 328872.3438 - mape: 50.4590 - val_loss: 402473.8438 - val_mape: 49.1949\n",
|
| 1116 |
+
"Epoch 10/30\n",
|
| 1117 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 324722.1875 - mape: 57.0522 - val_loss: 441182.3438 - val_mape: 48.8687\n",
|
| 1118 |
+
"Epoch 11/30\n",
|
| 1119 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 20ms/step - loss: 318556.5625 - mape: 61.8797 - val_loss: 401058.9688 - val_mape: 49.6954\n",
|
| 1120 |
+
"Epoch 12/30\n",
|
| 1121 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 317519.5000 - mape: 49.2848 - val_loss: 470227.5938 - val_mape: 50.3036\n",
|
| 1122 |
+
"Epoch 13/30\n",
|
| 1123 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 310703.6250 - mape: 54.2541 - val_loss: 495772.0000 - val_mape: 49.1467\n",
|
| 1124 |
+
"Epoch 14/30\n",
|
| 1125 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 304060.4375 - mape: 47.6753 - val_loss: 429612.5312 - val_mape: 48.7872\n",
|
| 1126 |
+
"Epoch 15/30\n",
|
| 1127 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 299288.2812 - mape: 54.7837 - val_loss: 544513.1875 - val_mape: 48.7465\n",
|
| 1128 |
+
"Epoch 16/30\n",
|
| 1129 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 294479.3125 - mape: 50.6538 - val_loss: 566505.1875 - val_mape: 49.8416\n",
|
| 1130 |
+
"Epoch 17/30\n",
|
| 1131 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 292478.0312 - mape: 45.1613 - val_loss: 509046.8750 - val_mape: 48.8166\n",
|
| 1132 |
+
"Epoch 18/30\n",
|
| 1133 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 289298.4062 - mape: 52.3078 - val_loss: 534722.9375 - val_mape: 49.0063\n",
|
| 1134 |
+
"Epoch 19/30\n",
|
| 1135 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 287811.8125 - mape: 49.5821 - val_loss: 546590.0625 - val_mape: 48.8045\n",
|
| 1136 |
+
"Epoch 20/30\n",
|
| 1137 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 284118.2188 - mape: 52.2100 - val_loss: 601730.3750 - val_mape: 49.0408\n",
|
| 1138 |
+
"Epoch 21/30\n",
|
| 1139 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 20ms/step - loss: 284798.7812 - mape: 47.2230 - val_loss: 535830.1250 - val_mape: 48.4669\n",
|
| 1140 |
+
"Epoch 22/30\n",
|
| 1141 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 20ms/step - loss: 282001.2500 - mape: 58.4509 - val_loss: 668632.1875 - val_mape: 49.7857\n",
|
| 1142 |
+
"Epoch 23/30\n",
|
| 1143 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 279132.3438 - mape: 53.5629 - val_loss: 575056.6250 - val_mape: 48.7271\n",
|
| 1144 |
+
"Epoch 24/30\n",
|
| 1145 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 276172.8125 - mape: 52.9894 - val_loss: 505340.2812 - val_mape: 48.5599\n",
|
| 1146 |
+
"Epoch 25/30\n",
|
| 1147 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 273416.3750 - mape: 46.4951 - val_loss: 539189.4375 - val_mape: 47.7299\n",
|
| 1148 |
+
"Epoch 26/30\n",
|
| 1149 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 272958.5312 - mape: 53.1291 - val_loss: 498400.0625 - val_mape: 47.4175\n",
|
| 1150 |
+
"Epoch 27/30\n",
|
| 1151 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 271236.3438 - mape: 47.8248 - val_loss: 520940.8438 - val_mape: 47.1233\n",
|
| 1152 |
+
"Epoch 28/30\n",
|
| 1153 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 271854.7188 - mape: 50.6873 - val_loss: 517070.0000 - val_mape: 48.0661\n",
|
| 1154 |
+
"Epoch 29/30\n",
|
| 1155 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 268482.5000 - mape: 48.7084 - val_loss: 592744.6875 - val_mape: 48.4801\n",
|
| 1156 |
+
"Epoch 30/30\n",
|
| 1157 |
+
"\u001b[1m410/410\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m8s\u001b[0m 19ms/step - loss: 267370.4375 - mape: 46.2331 - val_loss: 424568.1562 - val_mape: 46.7016\n",
|
| 1158 |
+
"{'num_conv_layers': 1, 'filters_0': 32, 'num_dense_layers': 3, 'dense_units_0': 192, 'dropout_0': 0.3, 'dense_units_1': 64, 'dropout_1': 0.3, 'dense_units_2': 64, 'dropout_2': 0.3}\n"
|
| 1159 |
+
]
|
| 1160 |
+
}
|
| 1161 |
+
],
|
| 1162 |
+
"source": [
|
| 1163 |
+
"best_model = tuner.get_best_models(num_models=1)[0]\n",
|
| 1164 |
+
"best_hps = tuner.get_best_hyperparameters(num_trials=1)[0]\n",
|
| 1165 |
+
"\n",
|
| 1166 |
+
"# the history object will contain a record of loss and metric values during training\n",
|
| 1167 |
+
"history = best_model.fit({'image_input': train_images, 'scalar_input': train_feats}, ytrain,\n",
|
| 1168 |
+
" batch_size=256,\n",
|
| 1169 |
+
" epochs=30,\n",
|
| 1170 |
+
" validation_data=(\n",
|
| 1171 |
+
" {'image_input': test_images, 'scalar_input': test_feats},\n",
|
| 1172 |
+
" ytest\n",
|
| 1173 |
+
" )\n",
|
| 1174 |
+
" )\n",
|
| 1175 |
+
"\n",
|
| 1176 |
+
"print(best_hps.values)\n"
|
| 1177 |
+
]
|
| 1178 |
+
},
|
| 1179 |
+
{
|
| 1180 |
+
"cell_type": "markdown",
|
| 1181 |
+
"id": "c8822c05",
|
| 1182 |
+
"metadata": {},
|
| 1183 |
+
"source": [
|
| 1184 |
+
"Tunable model end."
|
| 1185 |
+
]
|
| 1186 |
+
},
|
| 1187 |
+
{
|
| 1188 |
+
"cell_type": "code",
|
| 1189 |
+
"execution_count": 64,
|
| 1190 |
+
"id": "d021de05",
|
| 1191 |
+
"metadata": {},
|
| 1192 |
+
"outputs": [],
|
| 1193 |
+
"source": [
|
| 1194 |
+
"velocity_y_model = best_model"
|
| 1195 |
+
]
|
| 1196 |
+
},
|
| 1197 |
+
{
|
| 1198 |
+
"cell_type": "code",
|
| 1199 |
+
"execution_count": 65,
|
| 1200 |
+
"id": "9d10475a",
|
| 1201 |
+
"metadata": {},
|
| 1202 |
+
"outputs": [
|
| 1203 |
+
{
|
| 1204 |
+
"name": "stdout",
|
| 1205 |
+
"output_type": "stream",
|
| 1206 |
+
"text": [
|
| 1207 |
+
"[(None, 27, 27, 1), (None, 7)]\n"
|
| 1208 |
+
]
|
| 1209 |
+
}
|
| 1210 |
+
],
|
| 1211 |
+
"source": [
|
| 1212 |
+
"print(velocity_y_model.input_shape)"
|
| 1213 |
+
]
|
| 1214 |
+
},
|
| 1215 |
+
{
|
| 1216 |
+
"cell_type": "code",
|
| 1217 |
+
"execution_count": 66,
|
| 1218 |
+
"id": "9c99bfb8",
|
| 1219 |
+
"metadata": {},
|
| 1220 |
+
"outputs": [
|
| 1221 |
+
{
|
| 1222 |
+
"name": "stdout",
|
| 1223 |
+
"output_type": "stream",
|
| 1224 |
+
"text": [
|
| 1225 |
+
"0 image_input <class 'keras.src.layers.core.input_layer.InputLayer'>\n",
|
| 1226 |
+
"1 conv2d <class 'keras.src.layers.convolutional.conv2d.Conv2D'>\n",
|
| 1227 |
+
"2 max_pooling2d <class 'keras.src.layers.pooling.max_pooling2d.MaxPooling2D'>\n",
|
| 1228 |
+
"3 flatten <class 'keras.src.layers.reshaping.flatten.Flatten'>\n",
|
| 1229 |
+
"4 scalar_input <class 'keras.src.layers.core.input_layer.InputLayer'>\n",
|
| 1230 |
+
"5 concatenate <class 'keras.src.layers.merging.concatenate.Concatenate'>\n",
|
| 1231 |
+
"6 dense <class 'keras.src.layers.core.dense.Dense'>\n",
|
| 1232 |
+
"7 dropout <class 'keras.src.layers.regularization.dropout.Dropout'>\n",
|
| 1233 |
+
"8 dense_1 <class 'keras.src.layers.core.dense.Dense'>\n",
|
| 1234 |
+
"9 dropout_1 <class 'keras.src.layers.regularization.dropout.Dropout'>\n",
|
| 1235 |
+
"10 dense_2 <class 'keras.src.layers.core.dense.Dense'>\n",
|
| 1236 |
+
"11 dropout_2 <class 'keras.src.layers.regularization.dropout.Dropout'>\n",
|
| 1237 |
+
"12 output <class 'keras.src.layers.core.dense.Dense'>\n"
|
| 1238 |
+
]
|
| 1239 |
+
}
|
| 1240 |
+
],
|
| 1241 |
+
"source": [
|
| 1242 |
+
"#print layer index to input in the layer views. (conv2d)\n",
|
| 1243 |
+
"for i, layer in enumerate(velocity_y_model.layers):\n",
|
| 1244 |
+
" print(i, layer.name, type(layer))\n"
|
| 1245 |
+
]
|
| 1246 |
+
},
|
| 1247 |
+
{
|
| 1248 |
+
"cell_type": "markdown",
|
| 1249 |
+
"id": "52a18924",
|
| 1250 |
+
"metadata": {},
|
| 1251 |
+
"source": [
|
| 1252 |
+
"# Making final model"
|
| 1253 |
+
]
|
| 1254 |
+
},
|
| 1255 |
+
{
|
| 1256 |
+
"cell_type": "code",
|
| 1257 |
+
"execution_count": null,
|
| 1258 |
+
"id": "2557ee4c",
|
| 1259 |
+
"metadata": {},
|
| 1260 |
+
"outputs": [
|
| 1261 |
+
{
|
| 1262 |
+
"name": "stdout",
|
| 1263 |
+
"output_type": "stream",
|
| 1264 |
+
"text": [
|
| 1265 |
+
"\u001b[1m3277/3277\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m5s\u001b[0m 2ms/step\n",
|
| 1266 |
+
"\u001b[1m3278/3278\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m7s\u001b[0m 2ms/step\n",
|
| 1267 |
+
"\u001b[1m3278/3278\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m3s\u001b[0m 918us/step\n",
|
| 1268 |
+
"\u001b[1m2925/2925\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m5s\u001b[0m 2ms/step\n",
|
| 1269 |
+
"\u001b[1m2965/2965\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m6s\u001b[0m 2ms/step\n",
|
| 1270 |
+
"\u001b[1m2965/2965\u001b[0m \u001b[32m━━━━━━━━━━━━━━━━━━━━\u001b[0m\u001b[37m\u001b[0m \u001b[1m3s\u001b[0m 985us/step\n"
|
| 1271 |
+
]
|
| 1272 |
+
},
|
| 1273 |
+
{
|
| 1274 |
+
"ename": "ValueError",
|
| 1275 |
+
"evalue": "all input arrays must have the same shape",
|
| 1276 |
+
"output_type": "error",
|
| 1277 |
+
"traceback": [
|
| 1278 |
+
"\u001b[31m---------------------------------------------------------------------------\u001b[39m",
|
| 1279 |
+
"\u001b[31mValueError\u001b[39m Traceback (most recent call last)",
|
| 1280 |
+
"\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[103]\u001b[39m\u001b[32m, line 12\u001b[39m\n\u001b[32m 9\u001b[39m preds_velocity_y_test = velocity_y_model.predict([velocity_y_test_images, velocity_y_test_feats])\n\u001b[32m 11\u001b[39m \u001b[38;5;66;03m# 3. Stack input for ensemble\u001b[39;00m\n\u001b[32m---> \u001b[39m\u001b[32m12\u001b[39m X_stack_train = \u001b[43mnp\u001b[49m\u001b[43m.\u001b[49m\u001b[43mstack\u001b[49m\u001b[43m(\u001b[49m\u001b[43m[\u001b[49m\u001b[43mpreds_temp_train\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mpreds_velocity_x_train\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mpreds_velocity_y_train\u001b[49m\u001b[43m]\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43maxis\u001b[49m\u001b[43m=\u001b[49m\u001b[32;43m1\u001b[39;49m\u001b[43m)\u001b[49m\n\u001b[32m 13\u001b[39m X_stack_test = np.stack([preds_temp_test, preds_velocity_x_test, preds_velocity_y_test], axis=\u001b[32m1\u001b[39m)\n\u001b[32m 15\u001b[39m \u001b[38;5;66;03m# 4. Træn ensemble-model\u001b[39;00m\n",
|
| 1281 |
+
"\u001b[36mFile \u001b[39m\u001b[32m/opt/miniconda3/envs/appml/lib/python3.12/site-packages/numpy/_core/shape_base.py:448\u001b[39m, in \u001b[36mstack\u001b[39m\u001b[34m(arrays, axis, out, dtype, casting)\u001b[39m\n\u001b[32m 446\u001b[39m shapes = {arr.shape \u001b[38;5;28;01mfor\u001b[39;00m arr \u001b[38;5;129;01min\u001b[39;00m arrays}\n\u001b[32m 447\u001b[39m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mlen\u001b[39m(shapes) != \u001b[32m1\u001b[39m:\n\u001b[32m--> \u001b[39m\u001b[32m448\u001b[39m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m(\u001b[33m'\u001b[39m\u001b[33mall input arrays must have the same shape\u001b[39m\u001b[33m'\u001b[39m)\n\u001b[32m 450\u001b[39m result_ndim = arrays[\u001b[32m0\u001b[39m].ndim + \u001b[32m1\u001b[39m\n\u001b[32m 451\u001b[39m axis = normalize_axis_index(axis, result_ndim)\n",
|
| 1282 |
+
"\u001b[31mValueError\u001b[39m: all input arrays must have the same shape"
|
| 1283 |
+
]
|
| 1284 |
+
}
|
| 1285 |
+
],
|
| 1286 |
+
"source": [
|
| 1287 |
+
"# 1. Prædiktioner på træningsdata\n",
|
| 1288 |
+
"preds_temp_train = temp_model.predict([temp_train_images, temp_train_feats])\n",
|
| 1289 |
+
"preds_velocity_x_train = velocity_x_model.predict([velocity_x_train_images, velocity_x_train_feats])\n",
|
| 1290 |
+
"preds_velocity_y_train = velocity_y_model.predict([velocity_y_train_images, velocity_y_train_feats])\n",
|
| 1291 |
+
"\n",
|
| 1292 |
+
"# 2. Prædiktioner på testdata \n",
|
| 1293 |
+
"preds_temp_test = temp_model.predict([temp_test_images, temp_test_feats])\n",
|
| 1294 |
+
"preds_velocity_x_test = velocity_x_model.predict([velocity_x_test_images, velocity_x_test_feats])\n",
|
| 1295 |
+
"preds_velocity_y_test = velocity_y_model.predict([velocity_y_test_images, velocity_y_test_feats])\n",
|
| 1296 |
+
"\n",
|
| 1297 |
+
"# 3. Stack input for ensemble\n",
|
| 1298 |
+
"X_stack_train = np.stack([preds_temp_train, preds_velocity_x_train, preds_velocity_y_train], axis=1)\n",
|
| 1299 |
+
"X_stack_test = np.stack([preds_temp_test, preds_velocity_x_test, preds_velocity_y_test], axis=1)\n",
|
| 1300 |
+
"\n",
|
| 1301 |
+
"# 4. Træn ensemble-model\n",
|
| 1302 |
+
"from sklearn.linear_model import LinearRegression\n",
|
| 1303 |
+
"\n",
|
| 1304 |
+
"stack_model = LinearRegression()\n",
|
| 1305 |
+
"stack_model.fit(X_stack_train, ytrain) # Brug den korrekte målvariabel\n",
|
| 1306 |
+
"final_preds = stack_model.predict(X_stack_test)"
|
| 1307 |
+
]
|
| 1308 |
+
}
|
| 1309 |
+
],
|
| 1310 |
+
"metadata": {
|
| 1311 |
+
"kernelspec": {
|
| 1312 |
+
"display_name": "appml",
|
| 1313 |
+
"language": "python",
|
| 1314 |
+
"name": "python3"
|
| 1315 |
+
},
|
| 1316 |
+
"language_info": {
|
| 1317 |
+
"codemirror_mode": {
|
| 1318 |
+
"name": "ipython",
|
| 1319 |
+
"version": 3
|
| 1320 |
+
},
|
| 1321 |
+
"file_extension": ".py",
|
| 1322 |
+
"mimetype": "text/x-python",
|
| 1323 |
+
"name": "python",
|
| 1324 |
+
"nbconvert_exporter": "python",
|
| 1325 |
+
"pygments_lexer": "ipython3",
|
| 1326 |
+
"version": "3.12.9"
|
| 1327 |
+
}
|
| 1328 |
+
},
|
| 1329 |
+
"nbformat": 4,
|
| 1330 |
+
"nbformat_minor": 5
|
| 1331 |
+
}
|