kernel_id
int64
24.2k
23.3M
prompt
stringlengths
8
1.85M
completetion
stringlengths
1
182k
comp_name
stringlengths
5
57
6,805,765
warnings.filterwarnings("ignore") VERSION = ''<define_variables>
pred = model.predict_classes(X_test_norm )
Digit Recognizer
6,805,765
SEED = 420 N_ESTIMATORS = 250 DEVICE = torch.device("cpu" )<compute_test_metric>
sample_submission['Label'] = pred
Digit Recognizer
6,805,765
<load_pretrained><EOS>
sample_submission.to_csv("submission.csv", index=False )
Digit Recognizer
1,909,759
<SOS> metric: categorizationaccuracy Kaggle data source: digit-recognizer<choose_model_class>
import pandas as pd import numpy as np import matplotlib.pyplot as plt from scipy.misc import toimage from sklearn.model_selection import train_test_split from sklearn.metrics import confusion_matrix from sklearn.metrics import accuracy_score import keras from keras.models import Sequential from keras.layers import Den...
Digit Recognizer
1,909,759
class Best_clf_cv_transformer(BaseEstimator, TransformerMixin): def __init__(self, myparams={'name':'LSvc', 'C':1}, **other_params): self.myparams = myparams self.myinit(**other_params) return def myinit(self, **other_params): self.cv = 5 if 'cv' in self.myparams: self.cv= self.myparams['cv'] clf = None name = self.my...
df_train = pd.read_csv(".. /input/train.csv", encoding = 'ISO-8859-1') df_subm = pd.read_csv(".. /input/test.csv", encoding = 'ISO-8859-1' )
Digit Recognizer
1,909,759
def seed_all() : random.seed(SEED) np.random.seed(SEED) random.seed(SEED) seed_all()<load_from_csv>
df_train.isnull().sum().sum() , df_subm.isnull().sum().sum()
Digit Recognizer
1,909,759
def load_preprocess_data(filename='.. /input/jane-street-market-prediction/train.csv', isTrainData=True): dtype = None if isTrainData: dtype = { 'date' : 'int64', 'weight' : 'float64', 'resp' : 'float64', 'ts_id' : 'int64', 'feature_0' : 'float64' } else: dtype = { 'date' : 'int64', 'weight' : 'float64', 'feature_0' : ...
X_train = df_train[df_train.columns[1:]] y_train = df_train['label']
Digit Recognizer
1,909,759
X_TRAIN, X_TEST, Y_TRAIN, Y_TEST, W_train, W_test, preprocess_pipe = load_preprocess_data() gc.collect() X_TRAIN.shape, Y_TRAIN.shape<normalization>
X_train, X_test, y_train, y_test = train_test_split(X_train, y_train )
Digit Recognizer
1,909,759
def learning_rate_010_decay_power_09(current_iter): base_learning_rate = 0.1 lr = base_learning_rate * np.power (.995, current_iter) return lr if lr > 1e-2 else 1e-2 <init_hyperparams>
y_train = to_categorical(y_train) y_test = to_categorical(y_test )
Digit Recognizer
1,909,759
FIT_PARAMS= { "early_stopping_rounds":30, "eval_metric" : 'auc', "eval_set" : [(X_TEST, Y_TEST[:,-1])], 'eval_names': ['valid'], 'callbacks': [lgb.reset_parameter(learning_rate=learning_rate_010_decay_power_09)], 'verbose': 50, 'categorical_feature': 'auto' }<init_hyperparams>
X_train = X_train/255 X_test = X_test/255
Digit Recognizer
1,909,759
<init_hyperparams>
model = Sequential()
Digit Recognizer
1,909,759
OPT_PARAMS_1 = {'n_estimators': N_ESTIMATORS, 'colsample_bytree': 0.668, 'min_child_samples': 150, 'min_child_weight': 1, 'num_leaves': 80, 'reg_alpha': 0, 'reg_lambda': 0.002, 'subsample': 0.87} OPT_PARAMS_2 = {'n_estimators': N_ESTIMATORS, 'colsample_bytree': 0.668, 'min_child_samples': 190, 'min_child_weight': 1, 'n...
model.add(Conv2D(32,(3, 3), activation='relu', input_shape=(28, 28, 1))) model.add(Conv2D(32,(3, 3), activation='relu')) model.add(MaxPooling2D(pool_size=(2, 2))) model.add(Dropout(0.25)) model.add(Conv2D(64,(3, 3), activation='relu')) model.add(Conv2D(64,(3, 3), activation='relu')) model.add(MaxPooling2D(pool_size=(...
Digit Recognizer
1,909,759
def create_train_lgbm(X_train, y_train, component): if component == 1: opt_params = deepcopy(OPT_PARAMS_1) else: opt_params = deepcopy(OPT_PARAMS_2) lgb_clf_1 = lgb.LGBMClassifier(**opt_params) lgb_clf_1.fit(X_train, y_train, **FIT_PARAMS) if lgb_clf_1.best_iteration_ != N_ESTIMATORS: opt_params['n_estimators'] = l...
model.add(Flatten()) model.add(Dense(256, activation='relu')) model.add(Dropout(0.5)) model.add(Dense(10, activation='softmax'))
Digit Recognizer
1,909,759
def getLgbs() : LGBS = [] for model_id in range(5): y_train = Y_TRAIN[:, model_id] lgbm_1 = create_train_lgbm(X_TRAIN, y_train, 1) lgbm_2 = create_train_lgbm(X_TRAIN, y_train, 2) LGBS.append(( lgbm_1, lgbm_2)) pickleSave(LGBS, 'lgbs.bin') return LGBS<choose_model_class>
sgd = SGD(lr=0.01, decay=1e-6, momentum=0.9, nesterov=True )
Digit Recognizer
1,909,759
def getSclfs() : SCLFS = [] for model_id in range(5): sclf = StackingClassifier(classifiers=LGBS[model_id], fit_base_estimators=False, use_probas=True, average_probas=False, meta_classifier=Best_clf_cv_transformer({ 'name': 'LSvc', 'params': {'penalty': 'l2', 'class_weight': 'balanced'}, 'param_grid': {'C' : [0.01, 0.0...
model.compile(loss='categorical_crossentropy', optimizer=sgd,metrics=['accuracy'] )
Digit Recognizer
1,909,759
LGBS = unpickle('.. /input/jane-lgbm-stackedlsvc/lgbs.bin') SCLFS = unpickle('.. /input/jane-lgbm-stackedlsvc/sclfs.bin' )<predict_on_test>
datagen = ImageDataGenerator( rotation_range=10, width_shift_range=0.1, height_shift_range=0.1, )
Digit Recognizer
1,909,759
def predict(test_df, isRetProb=False): test_df.drop(columns=['weight', 'date'], inplace=True) test_df.reset_index(drop=True, inplace=True) X_test = preprocess_pipe.transform(test_df ).reshape(( -1, 130)) y_probs = [] for sclf in SCLFS: y_p = sclf.predict_proba(X_test ).reshape(( -1, 2)) [:, 1].reshape(( -1, 1)) y_pro...
datagen.fit(X_train )
Digit Recognizer
1,909,759
env = janestreet.make_env() env_iter = env.iter_test()<predict_on_test>
model.fit_generator(datagen.flow(X_train, y_train, batch_size=128), steps_per_epoch=int(len(X_train)/ 128), epochs=30 )
Digit Recognizer
1,909,759
for test_df, pred_df in env_iter: if test_df["weight"].item() > 0: predictions = predict(test_df) pred_df.action = predictions else: pred_df.action = 0 env.predict(pred_df )<train_model>
test_data = df_subm.values
Digit Recognizer
1,909,759
print('Done !' )<load_from_csv>
test_data = test_data.reshape(test_data.shape[0],28,28,1 )
Digit Recognizer
1,909,759
if tuning or training: train_data = pd.read_csv('/kaggle/input/jane-street-market-prediction/train.csv') train_data.fillna(train_data.mean() ,inplace=True) metadata = pd.read_csv('/kaggle/input/jane-street-market-prediction/features.csv') metadata.drop(['feature'],axis=1,inplace=True) def replace_bool(tf): if tf: r...
test_data = test_data/255
Digit Recognizer
1,909,759
tf.random.set_seed(42) SEED=42 def create_model(hp, num_columns, num_labels): inp = tf.keras.layers.Input(shape =(num_columns, 1)) x = tf.keras.layers.BatchNormalization()(inp) x = tf.keras.layers.Conv1D(filters=8, kernel_size=hp.Int('kernel_size',5,10,step=5), strides=1, activation='relu' )(x) x = tf.keras.layers.M...
predictions = model.predict(test_data )
Digit Recognizer
1,909,759
if tuning: model_fn = lambda hp: create_model(hp,X_train.shape[-1],y_train.shape[-1]) tuner = kt.tuners.bayesian.BayesianOptimization( hypermodel=model_fn, objective= kt.Objective('val_AUC', direction='max'), num_initial_points=4, max_trials=20) tuner.search(X_train,y_train,batch_size=4096,epochs=20, validation_data...
predictions = np.argmax(predictions, axis=1, out=None )
Digit Recognizer
1,909,759
if training: hp = pd.read_pickle('best_hp_cnn_day_86_metadata_deep.pkl') model_fn = lambda hp: create_model(hp,X_train.shape[-1],y_train.shape[-1]) model = model_fn(hp) model.fit(X_train,y_train,validation_data=(X_test,y_test),epochs=100,batch_size=4096, callbacks=[EarlyStopping('val_AUC',mode='max',patience=10,rest...
with open("resultCNNwithPrepros.csv", "wb")as f: f.write(b'ImageId,Label ') np.savetxt(f, np.hstack([(np.array(range(28000)) +1 ).reshape(-1,1), predictions.astype(int ).reshape(-1,1)]), fmt='%i', delimiter="," )
Digit Recognizer
4,940,763
if not training or tuning: model_fn = lambda hp: create_model(hp,159,5) hp = pd.read_pickle('/kaggle/input/jscnn/best_hp_cnn_day_86.pkl') model = model_fn(hp) model.load_weights('/kaggle/input/jscnn/JS_CNN_day_86.hdf5') samples_mean = pd.read_csv('/kaggle/input/jscnn/f_mean.csv') features_transform = np.load('/kag...
%matplotlib inline
Digit Recognizer
4,940,763
plt.style.use('fivethirtyeight') y_ = Fore.YELLOW r_ = Fore.RED g_ = Fore.GREEN b_ = Fore.BLUE m_ = Fore.MAGENTA c_ = Fore.CYAN sr_ = Style.RESET_ALL warnings.filterwarnings('ignore') <load_from_csv>
base = Path('.. /input' )
Digit Recognizer
4,940,763
folder_path = '.. /input/jane-street-market-prediction/' sample = pd.read_csv(folder_path + 'example_sample_submission.csv') test_data = pd.read_csv(folder_path + 'example_test.csv' )<set_options>
data_df = pd.read_csv(base/'train.csv') data_df.head()
Digit Recognizer
4,940,763
def seed_everything(seed=42): random.seed(seed) os.environ['PYTHONHASHSEED'] = str(seed) np.random.seed(seed) torch.manual_seed(seed) torch.cuda.manual_seed(seed) torch.backends.cudnn.deterministic = True seed_everything(seed=42 )<load_from_csv>
trn_df = data_df.drop(val_df.index) trn_df.shape
Digit Recognizer
4,940,763
features = [f'feature_{i}' for i in range(130)] config = { "epochs":100, "train_batch_size":1024, "valid_batch_size":1024, "test_batch_size":64, "nfolds":5, "learning_rate":0.0005, 'encoder_input':len(features), "input_size1":len(features), "input_size2":128, 'output_size':5, } data_path = '.. /input/jsmp-pytorch-botte...
trn_x, trn_y = trn_df.loc[:, 'pixel0':'pixel783'], trn_df['label'] val_x, val_y = val_df.loc[:, 'pixel0':'pixel783'], val_df['label']
Digit Recognizer
4,940,763
class GaussianNoise(nn.Module): def __init__(self,device,sigma=0.1, is_relative_detach=True): super().__init__() self.sigma = sigma self.is_relative_detach = is_relative_detach self.noise = torch.tensor(0,dtype=torch.float ).to(device) def forward(self, x): if self.training and self.sigma != 0: scale = self.sigma * x....
def reshape(dt_x, dt_y): dt_x = np.array(dt_x, dtype = np.uint8 ).reshape(-1,28,28) dt_x = np.stack(( dt_x,)*3, axis=-1) dt_y = np.array(dt_y) return dt_x, dt_y
Digit Recognizer
4,940,763
class Model(nn.Module): def __init__(self,input_size1,input_size2,output_size): super(Model,self ).__init__() self.layer1 = self.batch_linear_drop(input_size1,256,0.3,activation=nn.ELU) self.layer2 = self.batch_linear(256,128,activation= nn.ELU) self.layer3 = self.batch_linear_drop(input_size1+128,256,0.1,nn.ReLU) s...
trn_x, trn_y = reshape(trn_x, trn_y) val_x, val_y = reshape(val_x, val_y )
Digit Recognizer
4,940,763
data_path = '.. /input/jsmp-pytorch-bottelneck-model-train' models = list() device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu") for i in range(config['nfolds']): model = Model(config['input_size1'],config['input_size2'],config['output_size']) model.load_state_dict(torch.load(f"{data_path}/model{i}...
train=Path('.. /working/data/train') save(train, trn_x, trn_y) valid = Path('.. /working/data/valid') save(valid, val_x, val_y )
Digit Recognizer
4,940,763
def inference(test): all_prediction = np.zeros(( test.shape[0],5)) inputs = torch.tensor(test,dtype=torch.float) for model in models: inputs = inputs.to(device,dtype=torch.float) encoder_inp = encoder.get_encoder(inputs) outputs = model(inputs,encoder_inp) all_prediction += outputs.sigmoid().detach().cpu().numpy() ...
path = Path('.. /working/data/') data =(ImageList.from_folder(path) .split_by_folder(train='train', valid='valid') .label_from_folder() .transform(get_transforms(do_flip=False), size=28) .databunch(bs=256 ).normalize(imagenet_stats))
Digit Recognizer
4,940,763
test_data = pd.read_csv(folder_path + 'example_test.csv') test_data.fillna(0,inplace=True) test_data = test_data[features].to_numpy() predictions = inference(test_data) predictions = predictions.mean(axis=1) sns.distplot(predictions);<split>
learn = cnn_learner(data, models.resnet34, loss_func=nn.CrossEntropyLoss() , metrics=accuracy )
Digit Recognizer
4,940,763
env = janestreet.make_env() iter_test = env.iter_test()<predict_on_test>
learn.fit_one_cycle(3, 1e-2 )
Digit Recognizer
4,940,763
%%time all_predictions = list() for(test_df, sample_prediction_df)in iter_test: if test_df['weight'].item() != 0: test_df.fillna(0,inplace=True) predictions = inference(test_df[features].to_numpy()) prediction = np.mean(predictions) all_predictions.append(prediction) sample_prediction_df.action = np.where(predictio...
learn.save('stage1' )
Digit Recognizer
4,940,763
submission = pd.read_csv('./submission.csv') submission.head()<install_modules>
learn.unfreeze() learn.lr_find() learn.recorder.plot()
Digit Recognizer
4,940,763
!pip install -q git+https://github.com/mljar/mljar-supervised.git@dev<import_modules>
learn.fit_one_cycle(15, slice(5e-5))
Digit Recognizer
4,940,763
import pandas as pd from supervised.automl import AutoML<load_from_csv>
learn.save('stage2' )
Digit Recognizer
4,940,763
train = pd.read_csv(".. /input/bnp-paribas-cardif-claims-management/train.csv.zip") test = pd.read_csv(".. /input/bnp-paribas-cardif-claims-management/test.csv.zip") sub = pd.read_csv(".. /input/bnp-paribas-cardif-claims-management/sample_submission.csv.zip") x_cols = [f for f in train.columns if "v" in f]<train_mod...
learn.unfreeze() learn.lr_find() learn.recorder.plot()
Digit Recognizer
4,940,763
automl = AutoML( total_time_limit=8*3600, optuna_time_budget=1800, mode="Optuna", ) automl.fit(train[x_cols], train["target"] )<save_to_csv>
learn.fit_one_cycle(5, 5e-5 )
Digit Recognizer
4,940,763
pred = automl.predict_proba(test) sub["PredictedProb"] = pred[:, 1] sub.to_csv("./1_submission.csv", index=False )<import_modules>
def create_tst(path:Path, test): path.mkdir(parents=True, exist_ok=True) for i in range(len(test)) : matplotlib.image.imsave(str(path/(str(i)+ '.jpeg')) , test[i] )
Digit Recognizer
4,940,763
import numpy as np import pandas as pd import matplotlib.pyplot as plt import seaborn as sns from sklearn.neighbors import KNeighborsClassifier from sklearn.model_selection import train_test_split, GridSearchCV, StratifiedKFold from sklearn.preprocessing import MinMaxScaler<load_from_csv>
test_df = pd.read_csv(base/'test.csv') test_df = np.array(test_df, dtype=np.uint8 ).reshape(-1,28,28) test_df = np.stack(( test_df,)*3, axis=-1) test_df.shape
Digit Recognizer
4,940,763
data = pd.read_csv('.. /input/ghouls-goblins-and-ghosts-boo/train.csv.zip') data<load_from_csv>
tst_path = Path('.. /working/test') create_tst(tst_path, test_df )
Digit Recognizer
4,940,763
validate_data = pd.read_csv('.. /input/ghouls-goblins-and-ghosts-boo/test.csv.zip') validate_data<define_variables>
preds = [] ImageId = [] for i in range(len(test_df)) : img = open_image(tst_path/str(str(i)+'.jpeg')) pred_cls, pred_idx, pred_img = learn.predict(img) preds.append(int(pred_idx)) ImageId.append(i+1 )
Digit Recognizer
4,940,763
validate_data_ids = validate_data['id']<count_missing_values>
submission = pd.DataFrame({'ImageId':ImageId, 'Label':preds} )
Digit Recognizer
4,940,763
data.isnull().any()<data_type_conversions>
submission.to_csv('submission.csv',index=False )
Digit Recognizer
4,940,763
<compute_test_metric><EOS>
shutil.rmtree(tst_path) path_val = Path('.. /working/data/valid') shutil.rmtree(path_val) path_trn = Path('.. /working/data/train') shutil.rmtree(path_trn )
Digit Recognizer
800,022
<SOS> metric: categorizationaccuracy Kaggle data source: digit-recognizer<compute_test_metric>
print(os.listdir(".. /input"))
Digit Recognizer
800,022
data, validate_data<prepare_x_and_y>
train = pd.read_csv(".. /input/train.csv") test = pd.read_csv(".. /input/test.csv" )
Digit Recognizer
800,022
train_set_x, train_set_y = data.drop('type', 1), data['type']<choose_model_class>
Y_train = train["label"] X_train = train.drop(labels="label",axis=1) Y_train.value_counts()
Digit Recognizer
800,022
classifier = GridSearchCV( KNeighborsClassifier() , param_grid={ 'n_neighbors': np.arange(1, 100), 'p': np.arange(1, 10) }, scoring='accuracy', cv=3 )<train_model>
X_train = X_train/255.0 test = test/255.0
Digit Recognizer
800,022
classifier.fit(train_set_x, train_set_y )<find_best_params>
X_train = X_train.values.reshape(-1,28,28,1) test = test.values.reshape(-1,28,28,1 )
Digit Recognizer
800,022
scores = classifier.cv_results_['mean_test_score'] scores, scores.mean() , scores.max()<find_best_params>
Y_train = to_categorical(Y_train,num_classes=10 )
Digit Recognizer
800,022
classifier.best_params_<predict_on_test>
X_train, X_test, Y_train, Y_test = train_test_split(X_train, Y_train, test_size = 0.05 )
Digit Recognizer
800,022
np.mean(classifier.predict(train_set_x)== train_set_y )<predict_on_test>
def conv_layer(x,concat_axis,nb_filter,dropout_rate=None,weight_decay=1E-4): x = BatchNormalization(axis=concat_axis, gamma_regularizer=l2(weight_decay), beta_regularizer=l2(weight_decay))(x) x = Activation('relu' )(x) x = Conv2D(nb_filter,(3,3),padding='same',kernel_regularizer=l2(weight_decay),use_bias=False )(x) ...
Digit Recognizer
800,022
submission = classifier.predict(validate_data )<save_to_csv>
model = Densenet(nb_classes=10, img_dim=(28,28,1), depth = 34, nb_dense_block = 5, growth_rate=12, nb_filter=32, dropout_rate=0.2, weight_decay=1E-4) model.summary()
Digit Recognizer
800,022
pd.DataFrame({'id': validate_data_ids, 'type': submission} ).to_csv('submission.csv', index=False )<load_pretrained>
model_filepath = 'model.h5' batch_size=64 annealer = LearningRateScheduler(lambda x: 1e-3 * 0.9 ** x) lr_reduce = ReduceLROnPlateau(monitor='val_acc', factor=0.1, epsilon=1e-5, patience=2, verbose=1) msave = ModelCheckpoint(model_filepath, save_best_only=True )
Digit Recognizer
800,022
warnings.filterwarnings('ignore'); zipfile.ZipFile('/kaggle/input/ghouls-goblins-and-ghosts-boo/train.csv.zip' ).extractall() zipfile.ZipFile('/kaggle/input/ghouls-goblins-and-ghosts-boo/test.csv.zip' ).extractall() %matplotlib inline <train_model>
model.compile(loss='categorical_crossentropy', optimizer = Adamax() , metrics=['accuracy']) model.fit(X_train ,Y_train, batch_size = 64, validation_data =(X_test,Y_test), epochs = 20, callbacks=[lr_reduce,msave,annealer], verbose = 1 )
Digit Recognizer
800,022
def N_net(train, test, target): hidden_layer_sizes=(100,) activation = 'relu' solver = 'adam' batch_size = 'auto' alpha = 0.0001 random_state = 0 max_iter = 10000 early_stopping = True clf = MLPClassifier( hidden_layer_sizes=hidden_layer_sizes, activation=activation, solver=solver, batch_size=batch_size, alpha=alpha,...
results = model.predict(test) results = np.argmax(results,axis = 1) results = pd.Series(results,name="Label" )
Digit Recognizer
800,022
<split><EOS>
submission = pd.concat([pd.Series(range(1,28001),name = "ImageId"),results],axis = 1) submission.to_csv("cnn_mnist_datagen.csv",index=False )
Digit Recognizer
1,636,227
<SOS> metric: categorizationaccuracy Kaggle data source: digit-recognizer<train_on_grid>
import numpy as np import pandas as pd import seaborn as sns from seaborn import countplot import matplotlib.pyplot as plt from keras import optimizers from keras.layers import Dense, Dropout, Flatten, Conv2D, MaxPool2D, Activation, BatchNormalization from keras.models import Sequential from keras.preprocessing.image i...
Digit Recognizer
1,636,227
def SVM(train, test, target): clf_result=svm.SVC(kernel='rbf', gamma=1/2 , C=1.0,class_weight='balanced', random_state=0) clf_result.fit(train, target) predict= np.array(clf_result.predict(test)) return predict<categorify>
TRAIN_PATH = '.. /input/train.csv' TEST_PATH = '.. /input/test.csv' SUBMISSION_NAME = 'submission.csv' BATCH_SIZE = 64 EPOCHS = 45 LEARNING_RATE = 0.001 HEIGHT = 28 WIDTH = 28 CANAL = 1 N_CLASSES = 10
Digit Recognizer
1,636,227
def LogRes(ghost,ghoul,goblin, test, target,HowDo): vsnp= np.empty(( 529,6),dtype="float64") submission=np.empty(( 529),dtype="int") ghost0=np.zeros(len(ghost)) ;ghost1=np.ones(len(ghost)) ghoul0=np.zeros(len(ghoul)) ;ghoul1=np.ones(len(ghoul)) goblin0=np.zeros(len(goblin)) ;goblin1=np.ones(len(goblin)) vs1 = ghost.a...
train = pd.read_csv(TRAIN_PATH) test = pd.read_csv(TEST_PATH) labels = train['label'] train = train.drop(['label'], axis=1 )
Digit Recognizer
1,636,227
def LogRes2(ghost,ghoul,goblin, test, target,HowDo): vsnp=np.empty(( 529,3),dtype="float64") submission=np.empty(( 529),dtype="int") ghost0=np.zeros(len(ghost)) ;ghost1=np.ones(len(ghost)) ghoul0=np.zeros(len(ghoul)) ;ghoul1=np.ones(len(ghoul)) goblin0=np.zeros(len(goblin)) ;goblin1=np.ones(len(goblin)) vs1 = ghost.a...
labels.value_counts()
Digit Recognizer
1,636,227
def syuunou(vote, ID): pred:str=[] for n in range(len(ID)) : if np.argmax(vote[:,n])==0: pred.append('Ghost') if np.argmax(vote[:,n])==2: pred.append('Ghoul') if np.argmax(vote[:,n])==1: pred.append('Goblin') s_c= pd.DataFrame({"id": ID, "type": pred}) return s_c<compute_test_metric>
train = train.values.reshape(-1,HEIGHT,WIDTH,CANAL) test = test.values.reshape(-1,HEIGHT,WIDTH,CANAL) labels = labels.values
Digit Recognizer
1,636,227
def tohyo(predict, vote): vote[0] +=(predict==0);vote[1] +=(predict==1);vote[2] +=(predict==2 )<load_from_csv>
labels = pd.get_dummies(labels ).values
Digit Recognizer
1,636,227
def main_n() : train = pd.read_csv('./train.csv') test = pd.read_csv('./test.csv') type_array = pd.get_dummies(train['type']); del train['type'] COLOR = pd.get_dummies(train['color']); del train['color'] ;del train['id'] COLOR2 = pd.get_dummies(test['color']); del test['color']; ID = test["id"]; del test['id'] vote =...
train = train / 255.0 test = test / 255.0
Digit Recognizer
1,636,227
submission=main_n() rows=submission submission = rows submission.to_csv("submission6.csv", index=False )<choose_model_class>
x_train, x_val, y_train, y_val = train_test_split(train, labels, test_size=0.1, random_state=1 )
Digit Recognizer
1,636,227
<categorify>
datagen = ImageDataGenerator( featurewise_center=False, samplewise_center=False, featurewise_std_normalization=False, samplewise_std_normalization=False, zca_whitening=False, horizontal_flip=False, vertical_flip=False, rotation_range=15, zoom_range = 0.15, width_shift_range=0.15, height_shift_range=0.15) datagen.fit(...
Digit Recognizer
1,636,227
<load_from_csv>
model = Sequential() model.add(Conv2D(filters=32, kernel_size=(5,5),padding='Same', input_shape=(HEIGHT, WIDTH, CANAL))) model.add(BatchNormalization()) model.add(Activation('relu')) model.add(Conv2D(filters=32, kernel_size=(5,5),padding='Same')) model.add(BatchNormalization()) model.add(Activation('relu')) model.ad...
Digit Recognizer
1,636,227
train_data=pd.read_csv('/kaggle/input/ghouls-goblins-and-ghosts-boo/train.csv.zip') train_data.head()<count_values>
print('Dataset size: %s' % train.shape[0]) print('Epochs: %s' % EPOCHS) print('Learning rate: %s' % LEARNING_RATE) print('Batch size: %s' % BATCH_SIZE) print('Input dimension:(%s, %s, %s)' %(HEIGHT, WIDTH, CANAL))
Digit Recognizer
1,636,227
train_data['type'].value_counts()<load_from_csv>
history = model.fit_generator(datagen.flow(x_train,y_train, batch_size=BATCH_SIZE), epochs=EPOCHS, validation_data=(x_val, y_val), verbose=2, steps_per_epoch=x_train.shape[0] // BATCH_SIZE )
Digit Recognizer
1,636,227
test_data=pd.read_csv('/kaggle/input/ghouls-goblins-and-ghosts-boo/test.csv.zip') test_data.head()<count_values>
predictions = model.predict_classes(test )
Digit Recognizer
1,636,227
train_data['color'].value_counts()<count_values>
submission = pd.DataFrame({"ImageId": list(range(1, len(predictions)+ 1)) , "Label": predictions}) submission.to_csv(SUBMISSION_NAME, index=False) submission.head(10 )
Digit Recognizer
2,158,474
test_data['color'].value_counts()<categorify>
sns.set()
Digit Recognizer
2,158,474
train_data=pd.concat([train_data,pd.get_dummies(train_data['color'])],axis=1) train_data.drop('color',axis=1,inplace=True) train_data.head()<categorify>
train_data = pd.read_csv(".. /input/train.csv") test_data = pd.read_csv(".. /input/test.csv") sample_submission = pd.read_csv(".. /input/sample_submission.csv" )
Digit Recognizer
2,158,474
test_data=pd.concat([test_data,pd.get_dummies(test_data['color'])],axis=1) test_data.drop('color',axis=1,inplace=True) test_data.head()<prepare_x_and_y>
X_train = train_data.drop("label", axis=1) y_train = train_data[["label"]] X_test = test_data.copy()
Digit Recognizer
2,158,474
X=train_data.drop(['id','type'],axis=1) y=pd.get_dummies(train_data['type'] )<split>
X_train = X_train.astype("float32")/ 255 X_test = X_test.astype("float32")/ 255 X_train = X_train.values.reshape(( len(X_train), 28, 28, 1)) X_test = X_test.values.reshape(( len(X_test), 28, 28, 1)) y_train = pd.get_dummies(y_train, columns=["label"] )
Digit Recognizer
2,158,474
X_train,X_test,y_train,y_test=train_test_split(X,y,test_size=0.1,random_state=42) print(X_train.shape,y_train.shape) print(X_test.shape,y_test.shape )<import_modules>
model = Sequential() model.add(Conv2D(32, kernel_size=(3, 3), padding="valid", input_shape=X_train.shape[1:])) model.add(Activation("relu")) model.add(Conv2D(64, kernel_size=(3, 3), padding="valid")) model.add(Activation("relu")) model.add(MaxPool2D(pool_size=(2, 2))) model.add(Dropout(0.2)) model.add(Conv2D(64, kerne...
Digit Recognizer
2,158,474
from tensorflow import keras from keras.layers import Dense,Dropout from keras.models import Sequential<choose_model_class>
epochs = 50 batch_size = 256 model.fit(X_train, y_train, epochs=epochs, batch_size=batch_size, validation_split=0.2 )
Digit Recognizer
2,158,474
model=Sequential() model.add(Dense(100,input_shape=(X.shape[1],))) model.add(Dense(100,activation='relu')) model.add(Dense(100,activation='relu')) model.add(Dense(3,activation='softmax')) model.summary()<choose_model_class>
y_pred = np.argmax(model.predict(X_test), axis=1 )
Digit Recognizer
2,158,474
model.compile(optimizer='adam', loss='categorical_crossentropy', metrics=['accuracy'] )<train_model>
result = pd.Series(y_pred, name="Label" ).to_frame().reset_index().rename(columns={"index": "ImageId"}) result["ImageId"] += 1 result.head()
Digit Recognizer
2,158,474
<import_modules><EOS>
result.to_csv("out.csv", index=False )
Digit Recognizer
5,082,686
<SOS> metric: categorizationaccuracy Kaggle data source: digit-recognizer<predict_on_test>
%matplotlib inline
Digit Recognizer
5,082,686
pred=model.predict(test_data.drop('id',axis=1)) pred_final=[np.argmax(i)for i in pred] submission = pd.DataFrame({'id':test_data['id'], 'type':pred_final}) submission.head()<categorify>
train_file = ".. /input/train.csv" test_file = ".. /input/test.csv" output_file = "submission.csv" raw_data = np.loadtxt(train_file, skiprows=1, dtype='int', delimiter=',') x_train, y_train = raw_data[:, 1:], raw_data[:, 0] x_train = x_train.reshape(-1, 28, 28, 1 ).astype("float32")/255 y_train = keras.utils.to_catego...
Digit Recognizer
5,082,686
submission['type'].replace(to_replace=[0,1,2],value=['Ghost','Ghoul','Goblin'],inplace=True) submission.head()<save_to_csv>
model = keras.models.Sequential([ keras.layers.Conv2D(32, kernel_size=3, activation='relu', input_shape=(28, 28, 1)) , keras.layers.BatchNormalization() , keras.layers.Conv2D(32, kernel_size=3, activation='relu'), keras.layers.BatchNormalization() , keras.layers.Conv2D(32, kernel_size=5, strides=2, padding='same', acti...
Digit Recognizer
5,082,686
submission.to_csv('.. /working/submission.csv', index=False )<load_pretrained>
def elastic_transform(image, alpha_range, sigma, random_state=None): random_state = np.random.RandomState(random_state) if np.isscalar(alpha_range): alpha = alpha_range else: alpha = np.random.uniform(low=alpha_range[0], high=alpha_range[1]) shape = image.shape dx = gaussian_filter(random_state.rand(*shape)* 2 - 1, s...
Digit Recognizer
5,082,686
zf1 = zipfile.ZipFile('/kaggle/input/ghouls-goblins-and-ghosts-boo/train.csv.zip') print(zf1.namelist()) zf2 = zipfile.ZipFile('/kaggle/input/ghouls-goblins-and-ghosts-boo/test.csv.zip') print(zf2.namelist()) zf3 = zipfile.ZipFile('/kaggle/input/ghouls-goblins-and-ghosts-boo/sample_submission.csv.zip') print(zf3.n...
datagen = keras.preprocessing.image.ImageDataGenerator( zoom_range=0.0, height_shift_range=2, width_shift_range=2, preprocessing_function=lambda x: elastic_transform(x, alpha_range=[8, 10], sigma=3)) datagen.fit(x_train )
Digit Recognizer
5,082,686
zf1.extractall() zf2.extractall() zf3.extractall()<load_from_csv>
batch_size = 32 epochs = 30 learning_rate_reduction = keras.callbacks.ReduceLROnPlateau(monitor='val_acc', patience=3, verbose=1, factor=0.5, min_lr=0.00001) model.fit_generator(datagen.flow(x_train, y_train, batch_size=batch_size), epochs=epochs, verbose=2, callbacks=[learning_rate_reduction], steps_per_epoch=x_train...
Digit Recognizer
5,082,686
train = pd.read_csv('train.csv') test = pd.read_csv('test.csv' )<load_from_csv>
raw_data_test = np.loadtxt(test_file, skiprows=1, dtype='int', delimiter=',') x_test = raw_data_test.reshape(-1, 28, 28, 1 ).astype("float32")/255
Digit Recognizer
5,082,686
<categorify><EOS>
results = model.predict_classes(x_test) results = pd.Series(results, name='Label') submission = pd.concat([pd.Series(range(1, x_test.shape[0] + 1), name='ImageId'), results], axis=1) submission.to_csv(output_file, index=False )
Digit Recognizer
2,075,583
<SOS> metric: categorizationaccuracy Kaggle data source: digit-recognizer<import_modules>
np.random.seed(13 )
Digit Recognizer
2,075,583
from sklearn.neural_network import MLPClassifier from sklearn import metrics import joblib<prepare_x_and_y>
num_classes = 10 batch_size = 128 epochs = 700 img_rows, img_cols = 28, 28 input_shape =(img_rows, img_cols,1 )
Digit Recognizer
2,075,583
hidden_layer_sizes=(100,) activation = 'relu' solver = 'adam' batch_size = 'auto' alpha = 0.0001 random_state = 0 max_iter = 10000 x = ['bone_length', 'rotting_flesh', 'hair_length', 'has_soul'] train_X = training[x] y1 = ['type'] train_y1 = training[y1] clf = MLPClassifier( hidden_layer_sizes=hidden_layer_sizes, act...
train = pd.read_csv(".. /input/train.csv") test = pd.read_csv(".. /input/test.csv" )
Digit Recognizer
2,075,583
sub = pd.read_csv('sample_submission.csv') sub['type'] = list(predict_Y1) sub.to_csv('sample_submission.csv', index=False )<set_options>
y_train = train["label"] x_train = train.drop(labels = ["label"],axis = 1 )
Digit Recognizer
2,075,583
warnings.filterwarnings('ignore' )<load_pretrained>
x_train /= 255 test /= 255
Digit Recognizer
2,075,583
zipfile.ZipFile('/kaggle/input/ghouls-goblins-and-ghosts-boo/train.csv.zip' ).extractall() zipfile.ZipFile('/kaggle/input/ghouls-goblins-and-ghosts-boo/test.csv.zip' ).extractall() <load_from_csv>
x_train = x_train.values.reshape(-1,img_rows,img_cols,1 ).astype('float32') test = test.values.reshape(-1,img_rows,img_cols,1 ).astype('float32' )
Digit Recognizer
2,075,583
train = pd.read_csv('./train.csv') test = pd.read_csv('./test.csv') <categorify>
y_train = keras.utils.to_categorical(y_train, num_classes = num_classes )
Digit Recognizer
2,075,583
train2 = pd.get_dummies(train['type']) del train['type'] COLOR = pd.get_dummies(train['color']) del train['color'] del train['id'] target = pd.DataFrame(train2['Ghost']* 0 + train2['Ghoul'] * 2 + train2['Goblin'] * 1) target_GOB = pd.DataFrame(train2['Ghost']* 0 + train2['Ghoul'] * 0 + train2['Goblin'] * 1) target ...
x_train, x_test, y_train, y_test = train_test_split(x_train, y_train, test_size = 0.1 )
Digit Recognizer