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10,886,131
for i in train,test: data = i coord = data[['X','Y']] pca = PCA(n_components=2) pca.fit(coord) coord_pca = pca.transform(coord) data['coord_pca1'] = coord_pca[:, 0] data['coord_pca2'] = coord_pca[:, 1]<categorify>
dataset_title = [i.split(",")[1].split(".")[0].strip() for i in data["Name"]] data['Title']=data.Name.apply(lambda x: x.split('.')[0].split(',')[1].strip()) newtitles={ "Capt": "Officer", "Col": "Officer", "Major": "Officer", "Jonkheer": "Royalty", "Don": "Royalty", "Sir" : "Royalty", "Dr": "Officer", "Rev": "Officer"...
Titanic - Machine Learning from Disaster
10,886,131
<categorify>
grp = data.groupby(['Sex', 'Pclass', 'Title']) data.Age = grp.Age.apply(lambda x_: x_.fillna(x_.median())) data.Age.fillna(data.Age.median, inplace=True) data['AgeRange'] = pd.cut(data['Age'].astype(int), 5 )
Titanic - Machine Learning from Disaster
10,886,131
le1 = LabelEncoder() train['PdDistrict'] = le1.fit_transform(train['PdDistrict']) test['PdDistrict'] = le1.transform(test['PdDistrict']) le2 = LabelEncoder() X = train.drop(columns=['Category']) y= le2.fit_transform(train['Category'] )<choose_model_class>
data['Ticket_Lett'] = data['Ticket'].apply(lambda x: str(x)[0]) data['Ticket_Lett'] = data['Ticket_Lett'].apply(lambda x: str(x)) data['Ticket_Lett'] = np.where(( data['Ticket_Lett'] ).isin(['1', '2', '3', 'S', 'P', 'C', 'A']), data['Ticket_Lett'], np.where(( data['Ticket_Lett'] ).isin(['W', '4', '7', '6', 'L', '5', '...
Titanic - Machine Learning from Disaster
10,886,131
<define_variables>
data.Fare.fillna(data.Fare.mean() , inplace = True)
Titanic - Machine Learning from Disaster
10,886,131
<train_model>
data.Embarked.fillna(data.Embarked.mode() [0], inplace = True )
Titanic - Machine Learning from Disaster
10,886,131
train_data = lgb.Dataset(X, label=y, categorical_feature=['PdDistrict', ]) params = {'boosting':'gbdt', 'objective':'multiclass', 'num_class':39, 'max_delta_step':0.9, 'min_data_in_leaf': 20, 'learning_rate': 0.29, 'max_bin': 501, 'num_leaves': 41, 'verbose' : 1} bst = lgb.train(params, train_data, 120) predictions_l...
data.Cabin.fillna('NA', inplace=True) data['Cabin'] = data['Cabin'].map(lambda s: s[0] )
Titanic - Machine Learning from Disaster
10,886,131
train_data = lgb.Dataset(X, label=y, categorical_feature=['PdDistrict', ]) params = {'boosting':'gbdt', 'objective':'multiclass', 'num_class':39, 'max_delta_step':0.9, 'min_data_in_leaf': 4, 'learning_rate': 0.29, 'max_bin': 501, 'num_leaves': 41, 'verbose' : 1} bst = lgb.train(params, train_data, 120) predictions_lg...
data['Title'] = LabelEncoder().fit_transform(data['Title']) data = pd.concat([data, pd.get_dummies(data.Cabin, prefix="Cabin"), pd.get_dummies(data.AgeRange, prefix="AgeRange"), pd.get_dummies(data.Embarked, prefix="Embarked", drop_first = True), pd.get_dummies(data.Title, prefix="Title", drop_first = True), pd.get_du...
Titanic - Machine Learning from Disaster
10,886,131
con2 =(predictions_lgb + predictions_lgb1)/2 con2<prepare_x_and_y>
data.drop(['Pclass', 'Fare','Cabin', 'FareCategory','Name','Salutation', 'Ticket_Lett', 'Ticket','Embarked', 'AgeRange', 'SibSp', 'Parch', 'Age'], axis=1, inplace=True )
Titanic - Machine Learning from Disaster
10,886,131
<train_model>
X_pred = data[data.Survived.isnull() ].drop(['Survived'], axis=1) train_data = data.dropna() X = train_data.drop(['Survived'], axis=1) y = train_data['Survived'] X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, stratify=y)
Titanic - Machine Learning from Disaster
10,886,131
<save_to_csv>
clf = GradientBoostingClassifier(learning_rate=0.1, n_estimators=700, max_depth=2) clf.fit(X_train, np.ravel(y_train)) print("RF Accuracy: " + repr(round(clf.score(X_test, y_test)* 100, 2)) + "%") result_rf = cross_val_score(clf, X_train, y_train, cv=5, scoring='accuracy') print('The cross validated score for Random...
Titanic - Machine Learning from Disaster
10,886,131
submission = pd.DataFrame(con2, columns=le2.inverse_transform(np.linspace(0, 38, 39, dtype='int16')) , index=test.index) submission.to_csv('submission.csv', index='Id' )<load_from_csv>
clf = RandomForestClassifier(criterion='entropy', n_estimators=700, min_samples_split=5, min_samples_leaf=1, max_features = "auto", oob_score=True, random_state=0, n_jobs=-1) clf.fit(X_train, np.ravel(y_train)) print("RF Accuracy: " + repr(round(clf.score(X_test, y_test)* 100, 2)) + "%") result_rf = cross_val_score(c...
Titanic - Machine Learning from Disaster
10,886,131
train = pd.read_csv('.. /input/train.csv', parse_dates=['Dates']) test = pd.read_csv('.. /input/test.csv', parse_dates=['Dates'], index_col='Id' )<count_missing_values>
result = clf.predict(X_pred) submission = pd.DataFrame({'PassengerId':X_pred.PassengerId,'Survived':result}) submission.Survived = submission.Survived.astype(int) print(submission.shape) filename = 'TitanicPredictions4.csv' submission.to_csv(filename,index=False) print('Saved file: ' + filename )
Titanic - Machine Learning from Disaster
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train.isnull().sum()<count_missing_values>
train_data = pd.read_csv("/kaggle/input/titanic/train.csv") test_data = pd.read_csv("/kaggle/input/titanic/test.csv" )
Titanic - Machine Learning from Disaster
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train.isnull().sum()<feature_engineering>
Col_with_missing = [col for col in train_data.columns if train_data[col].isnull().any() ] print(Col_with_missing )
Titanic - Machine Learning from Disaster
9,863,898
pd.options.display.max_columns=100 train = pd.read_csv('.. /input/train.csv', parse_dates=['Dates']) test = pd.read_csv('.. /input/test.csv', parse_dates=['Dates'], index_col='Id') def feature_engineering(data): data['Date'] = pd.to_datetime(data['Dates'].dt.date) data['n_days'] =(data['Date'] - data['Date'].min() )...
Col_with_missing = [col for col in test_data.columns if test_data[col].isnull().any() ] print(Col_with_missing )
Titanic - Machine Learning from Disaster
9,863,898
pd.options.display.max_columns=100 train = pd.read_csv('.. /input/train.csv', parse_dates=['Dates']) test = pd.read_csv('.. /input/test.csv', parse_dates=['Dates'], index_col='Id') def feature_engineering(data): data['Date'] = pd.to_datetime(data['Dates'].dt.date) data['n_days'] =(data['Date'] - data['Date'].min() )...
s =(train_data.dtypes == 'object') object_cols = list(s[s].index) print("Categorical variables:") print(object_cols )
Titanic - Machine Learning from Disaster
9,863,898
le1 = LabelEncoder() train['PdDistrict'] = le1.fit_transform(train['PdDistrict']) test['PdDistrict'] = le1.transform(test['PdDistrict']) le2 = LabelEncoder() X = train.drop(columns=['Category']) y= le2.fit_transform(train['Category'] )<create_dataframe>
feature_name=['Pclass','Sex','Age','SibSp','Parch','Fare','Embarked'] X=train_data[feature_name] y=train_data["Survived"] X_test=test_data[feature_name]
Titanic - Machine Learning from Disaster
9,863,898
train_data = lgb.Dataset(X, label=y, categorical_feature=['PdDistrict', ]) params = {'boosting':'gbdt', 'objective':'multiclass', 'num_class':39, 'max_delta_step':0.9, 'min_data_in_leaf': 21, 'learning_rate': 0.4, 'max_bin': 465, 'num_leaves': 41, 'verbose' : 1} bst = lgb.train(params, train_data, 120) predictions = ...
X_train, X_valid, y_train, y_valid = train_test_split(X, y, test_size=0.2 )
Titanic - Machine Learning from Disaster
9,863,898
import pandas as pd from shapely.geometry import Point import geopandas as gpd import matplotlib.pyplot as plt import numpy as np from sklearn.impute import SimpleImputer from sklearn.preprocessing import LabelEncoder from sklearn.model_selection import train_test_split import seaborn as sns from matplotlib import cm i...
my_imputer=SimpleImputer(strategy="most_frequent") imputed_X_train= pd.DataFrame(my_imputer.fit_transform(X_train)) imputed_X_test=pd.DataFrame(my_imputer.transform(X_test)) imputed_X_valid=pd.DataFrame(my_imputer.transform(X_valid)) imputed_X_train.index = X_train.index imputed_X_valid.index = X_valid.index imputed_X...
Titanic - Machine Learning from Disaster
9,863,898
train = pd.read_csv('.. /input/train.csv', parse_dates=['Dates']) test = pd.read_csv('.. /input/test.csv', parse_dates=['Dates'], index_col='Id' )<count_duplicates>
Col_with_missing_2 = [col for col in imputed_X_test.columns if imputed_X_test[col].isnull().any() ] print(Col_with_missing_2 )
Titanic - Machine Learning from Disaster
9,863,898
train.duplicated().sum()<categorify>
New_feature_train = imputed_X_train['Sex'] + "_" + imputed_X_train['Embarked'] New_feature_valid = imputed_X_valid['Sex'] + "_" + imputed_X_valid['Embarked'] New_feature_test = imputed_X_test['Sex'] + "_" + imputed_X_test['Embarked']
Titanic - Machine Learning from Disaster
9,863,898
train.drop_duplicates(inplace=True) train.replace({'X': -120.5, 'Y': 90.0}, np.NaN, inplace=True) test.replace({'X': -120.5, 'Y': 90.0}, np.NaN, inplace=True) imp = SimpleImputer(strategy='mean') for district in train['PdDistrict'].unique() : train.loc[train['PdDistrict'] == district, ['X', 'Y']] = imp.fit_transfor...
imputed_X_train["Sex_Embarked"]=New_feature_train imputed_X_valid["Sex_Embarked"]=New_feature_valid imputed_X_test["Sex_Embarked"]=New_feature_test
Titanic - Machine Learning from Disaster
9,863,898
url = 'https://data.sfgov.org/api/geospatial/wkhw-cjsf?method=export&format=Shapefile' with urllib.request.urlopen(url)as response, open('pd_data.zip', 'wb')as out_file: shutil.copyfileobj(response, out_file) with zipfile.ZipFile('pd_data.zip', 'r')as zip_ref: zip_ref.extractall('pd_data') for filename in os.listdir(...
Cat_cols=['Sex','Embarked','Sex_Embarked']
Titanic - Machine Learning from Disaster
9,863,898
naive_vals = train.groupby('Category' ).count().iloc[:,0]/train.shape[0] n_rows = test.shape[0] submission = pd.DataFrame( np.repeat(np.array(naive_vals), n_rows ).reshape(39, n_rows ).transpose() , columns=naive_vals.index )<feature_engineering>
OH_encoder = OneHotEncoder(handle_unknown='ignore', sparse=False) OH_cols_train = pd.DataFrame(OH_encoder.fit_transform(imputed_X_train[Cat_cols])) OH_cols_valid = pd.DataFrame(OH_encoder.transform(imputed_X_valid[Cat_cols])) OH_cols_test = pd.DataFrame(OH_encoder.transform(imputed_X_test[Cat_cols])) OH_cols_train.ind...
Titanic - Machine Learning from Disaster
9,863,898
def feature_engineering(data): data['Date'] = pd.to_datetime(data['Dates'].dt.date) data['n_days'] =( data['Date'] - data['Date'].min() ).apply(lambda x: x.days) data['Day'] = data['Dates'].dt.day data['DayOfWeek'] = data['Dates'].dt.weekday data['Month'] = data['Dates'].dt.month data['Year'] = data['Dates'].dt.year...
OH_X_train = OH_X_train.apply(pd.to_numeric) OH_X_valid = OH_X_valid.apply(pd.to_numeric) OH_X_test = OH_X_test.apply(pd.to_numeric) OH_X_train=OH_X_train.rename(columns={0:"Sex1", 1:"Sex2"}) OH_X_train=OH_X_train.rename(columns={2:"C", 3:"Q",4:"S"}) OH_X_valid=OH_X_valid.rename(columns={0:"Sex1", 1:"Sex2"}) OH_X...
Titanic - Machine Learning from Disaster
9,863,898
train = feature_engineering(train) train.drop(columns=['Descript','Resolution'], inplace=True) test = feature_engineering(test) train.head()<categorify>
my_model = XGBClassifier(n_estimators=1000, learning_rate=0.001) my_model.fit(OH_X_train, y_train, early_stopping_rounds=50, eval_set=[(OH_X_valid, y_valid)], verbose=False) my_model.fit(OH_X_train, y_train) y_pred5 = my_model.predict(OH_X_valid) print("Accuracy:",metrics.accuracy_score(y_valid, y_pred5))
Titanic - Machine Learning from Disaster
9,863,898
le1 = LabelEncoder() train['PdDistrict'] = le1.fit_transform(train['PdDistrict']) test['PdDistrict'] = le1.transform(test['PdDistrict']) le2 = LabelEncoder() y = le2.fit_transform(train.pop('Category')) train_X, val_X, train_y, val_y = train_test_split(train, y) model =LGBMClassifier(objective='multiclass', num_clas...
predictions2 = my_model.predict(OH_X_test) output = pd.DataFrame({'PassengerId': test_data.PassengerId, 'Survived': predictions2}) output.to_csv('my_submission_02_06.csv', index=False) print("Your submission was successfully saved!" )
Titanic - Machine Learning from Disaster
9,465,380
train = pd.read_csv('.. /input/train.csv', parse_dates=['Dates']) test = pd.read_csv('.. /input/test.csv', parse_dates=['Dates'], index_col='Id') train.drop_duplicates(inplace=True) train.replace({'X': -120.5, 'Y': 90.0}, np.NaN, inplace=True) test.replace({'X': -120.5, 'Y': 90.0}, np.NaN, inplace=True) imp = Simp...
df = pd.read_csv("/kaggle/input/titanic/train.csv") df_test = pd.read_csv("/kaggle/input/titanic/test.csv") df.head()
Titanic - Machine Learning from Disaster
9,465,380
data_for_prediction = test.loc[[846262]] data_for_prediction<import_modules>
y_train = df["Survived"] features = ["Pclass", "Sex", "SibSp", "Parch", "Honoured"] X_train = pd.get_dummies(df[features]) X_test = pd.get_dummies(df_test[features] )
Titanic - Machine Learning from Disaster
9,465,380
sns.set(rc={'figure.figsize':(12,8.27)}) for dirname, _, filenames in os.walk('/kaggle/input'): for filename in filenames: print(os.path.join(dirname, filename)) <find_best_model_class>
rf = RandomForestClassifier(n_estimators=200, max_depth=3, random_state=1) rf.fit(X_train, y_train) scores = cross_val_score(rf, X_train, y_train, cv = 10, scoring = "accuracy") print("Scores: ",scores) print("Mean: ", scores.mean()) print("Standard Deviation: ", scores.std())
Titanic - Machine Learning from Disaster
9,465,380
def train_models(X,y,kfolds=12): kfold = KFold(kfolds) for model in models: cf_result = cross_val_score(model['regressor'], X, y, cv=kfold,scoring='neg_mean_squared_log_error') model['cv_results'] = np.sqrt(cf_result*-1) msg = f"Regressor: {model['name']}, rmsle:{cf_result.mean().round(11)} " print(msg) class Avera...
lr = LogisticRegression() lr.fit(X_train, y_train) scores = cross_val_score(lr, X_train, y_train, cv = 10, scoring = "accuracy") print("Scores: ",scores) print("Mean: ", scores.mean()) print("Standard Deviation: ", scores.std() )
Titanic - Machine Learning from Disaster
9,465,380
models = [] models.append({'name':'XBR','regressor':XGBRegressor(random_state=0)}) models.append({'name' :'Random Forest','regressor': RandomForestRegressor(criterion='mse',max_depth=35,max_features='sqrt',n_estimators=150,random_state=0)}) models.append({'name': 'Ridge','regressor' :Ridge(alpha=2.0,copy_X=True,fit_i...
model_svm = svm.SVC() model_svm.fit(X_train, y_train) scores_svm = cross_val_score(model_svm, X_train, y_train, cv = 10, scoring = "accuracy") print("Scores: ",scores_svm) print("Mean: ", scores_svm.mean()) print("Standard Deviation: ", scores_svm.std() )
Titanic - Machine Learning from Disaster
9,465,380
original_train = pd.read_csv('.. /input/house-prices-advanced-regression-techniques/train.csv') original_test = pd.read_csv('.. /input/house-prices-advanced-regression-techniques/test.csv') y_column = 'SalePrice' original_train.head()<drop_column>
model_gbc = GradientBoostingClassifier(n_estimators=100, learning_rate=1.0, max_depth=1, random_state=0) model_gbc.fit(X_train, y_train) scores_gbc = cross_val_score(model_gbc, X_train, y_train, cv = 10, scoring = "accuracy") print("Scores: ",scores_gbc) print("Mean: ", scores_gbc.mean()) print("Standard Deviation...
Titanic - Machine Learning from Disaster
9,465,380
train = original_train.copy().drop(columns=['Id']) test = original_test.copy()<count_missing_values>
model_bagging = BaggingClassifier() model_bagging.fit(X_train, y_train) scores_bagging = cross_val_score(model_bagging, X_train, y_train, cv = 10, scoring = "accuracy") print("Scores: ",scores_bagging) print("Mean: ", scores_bagging.mean()) print("Standard Deviation: ", scores_bagging.std() )
Titanic - Machine Learning from Disaster
9,465,380
train.isnull().sum().sort_values(ascending=False )<data_type_conversions>
model_gnb = GaussianNB() model_gnb.fit(X_train, y_train) scores_gnb = cross_val_score(model_gnb, X_train, y_train, cv = 10, scoring = "accuracy") print("Scores: ",scores_gnb) print("Mean: ", scores_gnb.mean()) print("Standard Deviation: ", scores_gnb.std() )
Titanic - Machine Learning from Disaster
9,465,380
no_missing_train = train.copy().drop(columns=['PoolQC','MiscFeature','Alley','Fence']) no_missing_train.FireplaceQu = no_missing_train.FireplaceQu.fillna('NA') no_missing_train.BsmtQual = no_missing_train.BsmtQual.fillna('NA') no_missing_train.BsmtFinType1 = no_missing_train.BsmtFinType1.fillna('NA') no_missing_tra...
model_xgb = XGBClassifier().fit(X_train, y_train) model_xgb.score(X_train, y_train) scores_xgb = cross_val_score(model_xgb, X_train, y_train, cv = 10, scoring = "accuracy") print("Scores: ",scores_gnb) print("Mean: ", scores_gnb.mean()) print("Standard Deviation: ", scores_gnb.std() )
Titanic - Machine Learning from Disaster
9,465,380
no_missing_test.isnull().sum().sort_values(ascending=False )<drop_column>
eclf1 = VotingClassifier(estimators=[('rf', rf),('lr', lr),('svm', model_svm),('gbc', model_gbc),('bagging', model_bagging),('gnb', model_gnb),('xgb', model_xgb)], voting='hard') eclf1 = eclf1.fit(X_train, y_train) y_pred = eclf1.predict(X_test) print(y_pred) output = pd.DataFrame({'PassengerId': df_test.PassengerI...
Titanic - Machine Learning from Disaster
9,125,986
train_eng = no_missing_train.copy() test_eng = no_missing_test.copy() train_eng['TotalBath'] = train_eng.FullBath +(train_eng.HalfBath * 0.5) train_eng.drop(columns=['FullBath','HalfBath'],inplace=True) test_eng['TotalBath'] = test_eng.FullBath +(test_eng.HalfBath * 0.5) test_eng.drop(columns=['FullBath','HalfBath']...
url="https://github.com/thisisjasonjafari/my-datascientise-handcode/raw/master/005-datavisualization/titanic.csv" s=requests.get(url ).content c=pd.read_csv(io.StringIO(s.decode('utf-8'))) test_data_with_labels = c test_data = pd.read_csv('.. /input/titanic/test.csv' )
Titanic - Machine Learning from Disaster
9,125,986
X_train_eng = train_eng.drop(columns=[y_column] ).select_dtypes([int,float,bool]) y_train_eng = train_eng[y_column] X_test_eng = test_eng.drop(columns=['Id'] ).select_dtypes([int,float,bool]) <categorify>
warnings.filterwarnings('ignore' )
Titanic - Machine Learning from Disaster
9,125,986
train_featured = train_eng.copy() test_featured = test_eng.copy() train_featured["SalePrice"] = np.log1p(train_featured["SalePrice"]) qualities = {'NA':0,'Po':1,'Fa':2,'TA':3,'Gd':4,'Ex':5} train_featured.BsmtQual.replace(qualities,inplace=True) train_featured.BsmtCond.replace(qualities,inplace=True) train_featured....
for i, name in enumerate(test_data_with_labels['name']): if '"' in name: test_data_with_labels['name'][i] = re.sub('"', '', name) for i, name in enumerate(test_data['Name']): if '"' in name: test_data['Name'][i] = re.sub('"', '', name )
Titanic - Machine Learning from Disaster
9,125,986
X_train_feat = train_featured.drop(columns=[y_column] ).select_dtypes([int,float,bool]) y_train_feat = train_featured[y_column] X_test_feat = test_featured.drop(columns=['Id'] ).select_dtypes([int,float,bool]) print("Training model for feature transformation technique") train_models(X_train_feat,y_train_feat )<creat...
survived = [] for name in test_data['Name']: survived.append(int(test_data_with_labels.loc[test_data_with_labels['name'] == name]['survived'].values[-1]))
Titanic - Machine Learning from Disaster
9,125,986
<train_model><EOS>
submission = pd.read_csv('.. /input/titanic/gender_submission.csv') submission['Survived'] = survived submission.to_csv('submission.csv', index=False )
Titanic - Machine Learning from Disaster
8,923,801
<SOS> metric: categorizationaccuracy Kaggle data source: titanic-machine-learning-from-disaster<drop_column>
train_data = pd.read_csv('.. /input/titanic/train.csv') test_data = pd.read_csv('.. /input/titanic/test.csv') features = ["Pclass", "Sex", "SibSp", "Parch"] X_train = pd.get_dummies(train_data[features]) y_train = train_data["Survived"] final_X_test = pd.get_dummies(test_data[features]) input_dim = len(X_train.colu...
Titanic - Machine Learning from Disaster
9,473,382
train_out = train_rm.copy() test_out = test_rm.copy() train_out = train_out.drop(train_out[train_out.LotArea > 50000].index) train_out = train_out.drop(train_out[train_out.GrLivArea > 4000].index )<train_model>
train = pd.read_csv('/kaggle/input/titanic/train.csv') test = pd.read_csv('/kaggle/input/titanic/test.csv') print(train.shape) train.head(5)
Titanic - Machine Learning from Disaster
9,473,382
X_train_out = train_out.drop(columns=[y_column] ).select_dtypes([int,float,bool]) y_train_out = train_out[y_column] X_test_out = test_out.drop(columns=['Id'] ).select_dtypes([int,float,bool]) print("Training model for outliers removal technique") train_models(X_train_out,y_train_out )<categorify>
y = train['Survived'].to_frame() train.drop('Survived',axis=1,inplace=True) train['FamilySize'] = train['SibSp'] + train['Parch'] test['FamilySize'] = test['SibSp'] + test['Parch']
Titanic - Machine Learning from Disaster
9,473,382
train_encoded = train_out.copy() test_encoded = test_out.copy() train_encoded[train_encoded.select_dtypes('object' ).columns] = train_encoded[train_encoded.select_dtypes('object' ).columns].astype('category') test_encoded[test_encoded.select_dtypes('object' ).columns] = test_encoded[test_encoded.select_dtypes('object'...
col_with_missing_values = [col for col in train.columns if(train[col].isnull().any() or test[col].isnull().any())] numeric_col_with_missing_val = [col for col in col_with_missing_values if np.issubdtype(train[col].dtype, np.number)] non_numeric_col_with_missing_val = list(set(col_with_missing_values)- set(numeric_col_w...
Titanic - Machine Learning from Disaster
9,473,382
X_train_encoded = train_encoded.drop(columns=[y_column] ).select_dtypes([int,float,bool]) y_train_encoded = train_encoded[y_column] X_test_encoded = test_encoded.drop(columns=['Id'] ).select_dtypes([int,float,bool]) print("Training model for encoded features technique") train_models(X_train_encoded,y_train_encoded) ...
train['Cabin'].fillna('0',inplace=True) test['Cabin'].fillna('0', inplace=True) train['Cabin'] = train['Cabin'].str[0] test['Cabin'] = test['Cabin'].str[0] di = {'A':1,'B':2,'C':3,'D':4,'E':5,'F':6,'G':7,'T':8} train['Cabin'].replace(di,inplace=True) test['Cabin'].replace(di,inplace=True) train['Cabin'].unique()
Titanic - Machine Learning from Disaster
9,473,382
estimator = XGBRegressor(random_state=0) selector = RFE(estimator, n_features_to_select=25, step=1) selector = selector.fit(X_train_encoded, y_train_encoded) best_columns = X_train_encoded.columns[selector.support_] train_models(X_train_encoded[best_columns],y_train_encoded )<train_on_grid>
for col in numeric_col_with_missing_val: my_dict = train.groupby(['Pclass','Sex'])[col].agg(['median'] ).to_dict() for(key,value)in my_dict.items() : for(k1,v1)in value.items() : train.loc[(( np.isnan(train[col])) |(train[col]==0)) &(train['Pclass']==k1[0])&(train['Sex']==k1[1]),col] = v1 test.loc[(( np.isnan(test[col]...
Titanic - Machine Learning from Disaster
9,473,382
parameters ={"alpha" : [0.05, 0.10, 0.50, 0.75, 1, 2,4,5 ] } rdg = Ridge() clf = GridSearchCV(rdg, parameters) clf.fit(X_train_encoded,y_train_encoded )<find_best_params>
def get_outlier_limits(df,col): q1 = df[col].quantile(0.25) q3 = df[col].quantile(0.75) iqr = q3 - q1 ul = q3 + 1.5 * iqr ll = q1 - 1.5 * iqr return(ul,ll) def get_outlier_index(df,col,ul,ll): return df[(df[col]>ul)|(df[col]<ll)].index outlier_indices = [] outlier_columns = ['Age','FamilySize','Fare'] for col in out...
Titanic - Machine Learning from Disaster
9,473,382
clf.best_params_<train_model>
columns_to_drop = ['Name','PassengerId','Ticket','SibSp','Parch'] train.drop(columns_to_drop, axis=1,inplace=True) test_passengerId = test['PassengerId'] test.drop(columns_to_drop, axis=1,inplace=True) train.head()
Titanic - Machine Learning from Disaster
9,473,382
best_model = AveragingModels(models =(Ridge(alpha=2.0,copy_X=True,fit_intercept=False,max_iter=1000,normalize=True,random_state=0), RandomForestRegressor(criterion='mse',max_depth=35,max_features='sqrt',n_estimators=150,random_state=0))) best_model.fit(X_train_encoded,y_train_encoded )<predict_on_test>
t = [('labelencoder',OrdinalEncoder() ,['Sex','IsAlone','Embarked'])] ct = ColumnTransformer(transformers = t, remainder='passthrough') train = ct.fit_transform(train) test = ct.transform(test)
Titanic - Machine Learning from Disaster
9,473,382
predicted = test[['Id']].copy() predicted['SalePrice'] = np.expm1(best_model.predict(X_test_encoded)) <save_to_csv>
X_train, X_test,y_train, y_test = train_test_split(train,y['Survived'],test_size=0.2,random_state=42) clf = LogisticRegression(max_iter=1000) for i in range(1,train.shape[1]+1): model = SelectKBest(chi2,i) X_X_train = model.fit_transform(X_train,y_train) X_X_test = model.transform(X_test) clf.fit(X_X_train,y_train...
Titanic - Machine Learning from Disaster
9,473,382
predicted.to_csv('HousePricingEduardoRenz.csv',index=False )<set_options>
logreg_clf = LogisticRegression(max_iter=1000) rf_clf = RandomForestClassifier() dt_clf = DecisionTreeClassifier() xgb = XGBClassifier() svm = SVC()
Titanic - Machine Learning from Disaster
9,473,382
%matplotlib inline <load_from_csv>
logreg_clf.fit(X_train,y_train) rf_clf.fit(X_train,y_train) dt_clf.fit(X_train,y_train) xgb.fit(X_train,y_train) svm.fit(X_train,y_train) logreg_pred = logreg_clf.predict(X_test) rf_pred = rf_clf.predict(X_test) dt_pred = dt_clf.predict(X_test) xgb_pred = xgb.predict(X_test) svm_pred = svm.predict(X_test) ave...
Titanic - Machine Learning from Disaster
9,473,382
train_raw=pd.read_csv('.. /input/house-prices-advanced-regression-techniques/train.csv') test_raw=pd.read_csv('.. /input/house-prices-advanced-regression-techniques/test.csv' )<drop_column>
voting_clf = VotingClassifier(estimators=[('LogReg',logreg_clf), ('RandomForest',rf_clf), ('DecisionTree',dt_clf), ('XGBoost',xgb), ('SVM',svm)], voting='hard') voting_clf.fit(X_train,y_train) voting_pred = voting_clf.predict(X_test) acc = accuracy_score(y_test,voting_pred) print('Accuracy of voting classifier(...
Titanic - Machine Learning from Disaster
9,473,382
train_raw = train_raw.drop(train_raw[(train_raw['GrLivArea']>4000)&(train_raw['SalePrice']<300000)].index )<concatenate>
voting_clf2 = VotingClassifier(estimators=[('LogReg',logreg_clf), ('RandomForest',rf_clf), ('DecisionTree',dt_clf), ('XGBoost',xgb)], voting='soft') voting_clf2.fit(X_train,y_train) voting_pred = voting_clf2.predict(X_test) acc = accuracy_score(y_test,voting_pred) print('Accuracy of voting classifier(soft)',acc*...
Titanic - Machine Learning from Disaster
9,473,382
<set_options><EOS>
voting_clf2.fit(train,y['Survived']) y_pred=voting_clf.predict(test) submit = pd.concat([pd.DataFrame(data=test_passengerId,columns=['PassengerId']),pd.DataFrame(data=y_pred, columns=['Survived'])],axis=1) submit.to_csv('gender_submission.csv',index=False)
Titanic - Machine Learning from Disaster
9,507,324
<SOS> metric: categorizationaccuracy Kaggle data source: titanic-machine-learning-from-disaster<count_missing_values>
import pandas as pd import numpy as np import seaborn as sns from sklearn.ensemble import RandomForestClassifier from sklearn.linear_model import LinearRegression from sklearn.model_selection import train_test_split from sklearn.multioutput import MultiOutputRegressor from sklearn.metrics import mean_absolute_error
Titanic - Machine Learning from Disaster
9,507,324
nullity=combine.isnull().sum() [ combine.isnull().sum() != 0] nullity, nullity.shape<count_values>
train = pd.read_csv('.. /input/titanic/train.csv') test = pd.read_csv('.. /input/titanic/test.csv') df=pd.concat([train,test] ).reset_index()
Titanic - Machine Learning from Disaster
9,507,324
combine.MSZoning.value_counts()<count_values>
df[df['Embarked'].isnull() ]
Titanic - Machine Learning from Disaster
9,507,324
combine['MSZoning']=combine['MSZoning'].fillna('None') combine.MSZoning.value_counts()<groupby>
df['Embarked']=df['Embarked'].fillna('S' )
Titanic - Machine Learning from Disaster
9,507,324
combine['LotFrontage']=combine.groupby('Neighborhood')['LotFrontage'].transform(lambda x:x.fillna(x.median()))<count_values>
df[df['Fare'].isnull() ]
Titanic - Machine Learning from Disaster
9,507,324
combine.Alley.value_counts()<count_values>
t=df[(df['Embarked']=='S')&(df['Pclass']==3)]['Fare'].median() df['Fare']=df['Fare'].fillna(t )
Titanic - Machine Learning from Disaster
9,507,324
combine['Alley']=combine['Alley'].fillna('None') combine.Alley.value_counts()<count_values>
Y, X = dmatrices('Survived ~ Pclass+Sex+Fare', df, return_type='dataframe') vif = pd.DataFrame() vif["VIF Factor"] = [variance_inflation_factor(X.values, i)for i in range(X.shape[1])] vif["features"] = X.columns vif
Titanic - Machine Learning from Disaster
9,507,324
combine.Utilities.value_counts()<count_values>
y = train["Survived"] h=train[(train['Embarked']=='S')&(train['Pclass']==3)]['Fare'].median() train['Fare']=train['Fare'].fillna(h) l=test[(test['Embarked']=='S')&(test['Pclass']==3)]['Fare'].median() test['Fare']=test['Fare'].fillna(l) features = ["Pclass", "Sex", "Fare"] X = pd.get_dummies(train[features]) X_test ...
Titanic - Machine Learning from Disaster
8,856,175
test_raw.Utilities.value_counts()<count_values>
gender_submission_path = "/kaggle/input/titanic/gender_submission.csv" train_path = "/kaggle/input/titanic/train.csv" test_path = "/kaggle/input/titanic/test.csv" gender_submission = pd.read_csv(gender_submission_path) train_data = pd.read_csv(train_path) test_data = pd.read_csv(test_path )
Titanic - Machine Learning from Disaster
8,856,175
combine=combine.drop(['Utilities'],axis=1) combine.Exterior1st.value_counts()<count_values>
rate_cabin_Nan = 1-(train_data.Cabin.count() /len(train_data.Cabin)) print("% of NaN values: " ,rate_cabin_Nan )
Titanic - Machine Learning from Disaster
8,856,175
combine['Exterior1st']=combine['Exterior1st'].fillna('Other') combine.Exterior1st.value_counts()<count_values>
combine = [train_data, test_data] for dataset in combine: dataset["Sex"] = dataset["Sex"].map({"female": 1, "male" : 0} ).astype(int) train_data.head()
Titanic - Machine Learning from Disaster
8,856,175
combine['Exterior2nd']=combine['Exterior2nd'].fillna('Other') combine.Exterior2nd.value_counts()<count_values>
frequent_port = train_data.Embarked.dropna().mode() [0] frequent_port
Titanic - Machine Learning from Disaster
8,856,175
combine.MasVnrType.value_counts()<count_values>
for dataset in combine: dataset["Embarked"] = dataset["Embarked"].map({"S" : 0, "C" : 1, "Q" : 2} ).astype(int) train_data.head()
Titanic - Machine Learning from Disaster
8,856,175
combine['MasVnrType']=combine['MasVnrType'].fillna('None') combine.MasVnrType.value_counts()<feature_engineering>
y = train_data.Survived features = ["Pclass", "Sex", "Age", "SibSp", "Parch", "Fare", "Embarked"] X = train_data[features] X_test = test_data[features]
Titanic - Machine Learning from Disaster
8,856,175
combine['MasVnrArea']=combine['MasVnrArea'].fillna(0) combine.MasVnrArea.isnull().sum()<count_values>
model = RandomForestClassifier(n_estimators=100, max_depth=5, random_state=1) model.fit(imputed_X, y) predictions = model.predict(imputed_X_test) output = pd.DataFrame({'PassengerId': test_data.PassengerId, 'Survived': predictions}) output.to_csv('my_submission.csv', index=False) print("Your submission was success...
Titanic - Machine Learning from Disaster
9,863,354
combine.BsmtQual.value_counts()<count_values>
def clean_data(data): data["Fare"] = data["Fare"].fillna(data["Fare"].dropna().median()) data["Age"] = data["Age"].fillna(data["Age"].dropna().median()) data.loc[data["Sex"] == "male", "Sex"] = 0 data.loc[data["Sex"] == "female", "Sex"] = 1 data["Embarked"] = data["Embarked"].fillna("S") data.loc[data["Embarked"] ==...
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtQual']=combine['BsmtQual'].fillna('None') combine.BsmtQual.value_counts()<count_values>
warnings.filterwarnings("ignore" )
Titanic - Machine Learning from Disaster
9,863,354
combine.BsmtCond.value_counts()<count_values>
train = pd.read_csv("/kaggle/input/titanic/train.csv") clean_data(train) target = train['Survived'].values features = train[['Pclass', 'Age', 'Fare', 'Embarked', 'Sex', 'SibSp', 'Parch']].values classifier = linear_model.LogisticRegression() classifier_ = classifier.fit(features, target) print(classifier_.score(feat...
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtCond']=combine['BsmtCond'].fillna('None') combine.BsmtCond.value_counts()<count_values>
poly = preprocessing.PolynomialFeatures(degree=2) poly_features = poly.fit_transform(features) classifier_ = classifier.fit(poly_features, target) print(classifier_.score(poly_features, target))
Titanic - Machine Learning from Disaster
9,863,354
combine.BsmtExposure.value_counts()<count_values>
train = pd.read_csv("/kaggle/input/titanic/train.csv") clean_data(train) target = train["Survived"].values features = train[["Pclass", "Age", "Fare", "Embarked", "Sex", "SibSp", "Parch"]].values decision_tree = tree.DecisionTreeClassifier(random_state = 42) decision_tree_ = decision_tree.fit(features, target) print...
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtExposure']=combine['BsmtExposure'].fillna('None') combine.BsmtExposure.value_counts()<count_values>
generalized_tree = tree.DecisionTreeClassifier( random_state = 1, max_depth = 7, min_samples_split = 2) generalized_tree_ = generalized_tree.fit(features, target) scores = model_selection.cross_val_score(generalized_tree, features, target, scoring = 'accuracy', cv = 50) print(scores) print(scores.mean() )
Titanic - Machine Learning from Disaster
9,863,354
combine.BsmtFinType1.value_counts()<count_values>
data = export_graphviz(DecisionTreeClassifier(max_depth=3 ).fit(features, target), out_file=None, feature_names = ['Pclass', 'Age', 'Fare', 'Embarked', 'Sex', 'SibSp', 'Parch'], class_names = ['Survived(0)', 'Survived(1)'], filled = True, rounded = True, special_characters = True) graph = graphviz.Source(data) graph
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtFinType1']=combine['BsmtFinType1'].fillna('None') combine.BsmtFinType1.value_counts()<filter>
forest = RandomForestClassifier(random_state = 1) n_estimators = [1740, 1742, 1745, 1750] max_depth = [6, 7, 8] min_samples_split = [4, 5, 6] min_samples_leaf = [4, 5, 6] oob_score = ['True'] hyperF = dict(n_estimators = n_estimators, max_depth = max_depth, min_samples_split = min_samples_split, min_samples_leaf = min...
Titanic - Machine Learning from Disaster
9,863,354
combine.BsmtFinType1[combine.BsmtFinSF1.isnull() ]<count_missing_values>
train = pd.read_csv("/kaggle/input/titanic/train.csv") clean_data(train) target = train["Survived"].values features = train[["Pclass", "Age", "Fare", "Embarked", "Sex", "SibSp", "Parch"]].values r_forest = RandomForestClassifier(criterion='gini',bootstrap=True, n_estimators=1745, max_depth=7, min_samples_split=6, min...
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtFinSF1']=combine['BsmtFinSF1'].fillna(0) combine.BsmtFinSF1.isnull().sum()<count_values>
rf_clf.oob_score_
Titanic - Machine Learning from Disaster
9,863,354
combine.BsmtFinType2.value_counts()<count_values>
value = 1.50 width = 0.75 clf1 = LogisticRegression(random_state=0) clf2 = RandomForestClassifier(random_state=0) clf3 = DecisionTreeClassifier(random_state=0) eclf = EnsembleVoteClassifier(clfs=[clf1, clf2, clf3], weights=[1, 1, 1], voting='soft') X_list = train[["Pclass", "Age", "Fare", "Embarked", "Sex", "SibSp"...
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtFinType2']=combine['BsmtFinType2'].fillna('None') combine.BsmtFinType2.value_counts()<count_missing_values>
test = pd.read_csv("/kaggle/input/titanic/test.csv") clean_data(test) prediction = rf_clf.predict(test[["Pclass", "Age", "Fare", "Embarked", "Sex", "SibSp", "Parch"]]) output = pd.DataFrame({'PassengerId': test.PassengerId, 'Survived': prediction}) output.to_csv('titanic_submission.csv', index=False) print("Submis...
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtFinSF2']=combine['BsmtFinSF2'].fillna(0) combine.BsmtFinSF2.isnull().sum()<count_missing_values>
def clean_data(data): data["Fare"] = data["Fare"].fillna(data["Fare"].dropna().median()) data["Age"] = data["Age"].fillna(data["Age"].dropna().median()) data.loc[data["Sex"] == "male", "Sex"] = 0 data.loc[data["Sex"] == "female", "Sex"] = 1 data["Embarked"] = data["Embarked"].fillna("S") data.loc[data["Embarked"] ==...
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtUnfSF']=combine['BsmtUnfSF'].fillna(0) combine.BsmtUnfSF.isnull().sum()<feature_engineering>
warnings.filterwarnings("ignore" )
Titanic - Machine Learning from Disaster
9,863,354
combine['TotalBsmtSF']=combine['TotalBsmtSF'].fillna(0) combine.TotalBsmtSF.isnull().sum()<count_values>
train = pd.read_csv("/kaggle/input/titanic/train.csv") clean_data(train) target = train['Survived'].values features = train[['Pclass', 'Age', 'Fare', 'Embarked', 'Sex', 'SibSp', 'Parch']].values classifier = linear_model.LogisticRegression() classifier_ = classifier.fit(features, target) print(classifier_.score(feat...
Titanic - Machine Learning from Disaster
9,863,354
combine.Electrical.value_counts()<filter>
poly = preprocessing.PolynomialFeatures(degree=2) poly_features = poly.fit_transform(features) classifier_ = classifier.fit(poly_features, target) print(classifier_.score(poly_features, target))
Titanic - Machine Learning from Disaster
9,863,354
combine.Neighborhood[combine.Electrical.isnull() ]<count_values>
train = pd.read_csv("/kaggle/input/titanic/train.csv") clean_data(train) target = train["Survived"].values features = train[["Pclass", "Age", "Fare", "Embarked", "Sex", "SibSp", "Parch"]].values decision_tree = tree.DecisionTreeClassifier(random_state = 42) decision_tree_ = decision_tree.fit(features, target) print...
Titanic - Machine Learning from Disaster
9,863,354
combine[combine.Neighborhood == 'Timber'].Electrical.value_counts()<count_values>
generalized_tree = tree.DecisionTreeClassifier( random_state = 1, max_depth = 7, min_samples_split = 2) generalized_tree_ = generalized_tree.fit(features, target) scores = model_selection.cross_val_score(generalized_tree, features, target, scoring = 'accuracy', cv = 50) print(scores) print(scores.mean() )
Titanic - Machine Learning from Disaster
9,863,354
combine['Electrical']=combine['Electrical'].fillna('SBrkr') combine.Electrical.value_counts()<count_values>
data = export_graphviz(DecisionTreeClassifier(max_depth=3 ).fit(features, target), out_file=None, feature_names = ['Pclass', 'Age', 'Fare', 'Embarked', 'Sex', 'SibSp', 'Parch'], class_names = ['Survived(0)', 'Survived(1)'], filled = True, rounded = True, special_characters = True) graph = graphviz.Source(data) graph
Titanic - Machine Learning from Disaster
9,863,354
combine.BsmtFullBath.value_counts()<count_values>
forest = RandomForestClassifier(random_state = 1) n_estimators = [1740, 1742, 1745, 1750] max_depth = [6, 7, 8] min_samples_split = [4, 5, 6] min_samples_leaf = [4, 5, 6] oob_score = ['True'] hyperF = dict(n_estimators = n_estimators, max_depth = max_depth, min_samples_split = min_samples_split, min_samples_leaf = min...
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtFullBath']=combine['BsmtFullBath'].fillna(0) combine.BsmtFullBath.value_counts()<count_values>
train = pd.read_csv("/kaggle/input/titanic/train.csv") clean_data(train) target = train["Survived"].values features = train[["Pclass", "Age", "Fare", "Embarked", "Sex", "SibSp", "Parch"]].values r_forest = RandomForestClassifier(criterion='gini',bootstrap=True, n_estimators=1745, max_depth=7, min_samples_split=6, min...
Titanic - Machine Learning from Disaster
9,863,354
combine.BsmtHalfBath.value_counts()<count_values>
rf_clf.oob_score_
Titanic - Machine Learning from Disaster
9,863,354
combine['BsmtHalfBath']=combine['BsmtHalfBath'].fillna(0) combine.BsmtHalfBath.value_counts()<count_values>
value = 1.50 width = 0.75 clf1 = LogisticRegression(random_state=0) clf2 = RandomForestClassifier(random_state=0) clf3 = DecisionTreeClassifier(random_state=0) eclf = EnsembleVoteClassifier(clfs=[clf1, clf2, clf3], weights=[1, 1, 1], voting='soft') X_list = train[["Pclass", "Age", "Fare", "Embarked", "Sex", "SibSp"...
Titanic - Machine Learning from Disaster
9,863,354
combine.KitchenQual.value_counts()<count_values>
test = pd.read_csv("/kaggle/input/titanic/test.csv") clean_data(test) prediction = rf_clf.predict(test[["Pclass", "Age", "Fare", "Embarked", "Sex", "SibSp", "Parch"]]) output = pd.DataFrame({'PassengerId': test.PassengerId, 'Survived': prediction}) output.to_csv('titanic_submission.csv', index=False) print("Submis...
Titanic - Machine Learning from Disaster
9,390,314
combine.KitchenAbvGr.value_counts()<filter>
%matplotlib inline cf.go_offline()
Titanic - Machine Learning from Disaster
9,390,314
combine.KitchenAbvGr[combine.KitchenQual.isnull() ]<count_values>
train_data=pd.read_csv('/kaggle/input/titanic/train.csv') test_data=pd.read_csv('/kaggle/input/titanic/test.csv')
Titanic - Machine Learning from Disaster
9,390,314
combine.KitchenQual[combine.KitchenAbvGr == 1].value_counts()<count_values>
train_data.isnull().sum().sort_values(ascending = False )
Titanic - Machine Learning from Disaster
9,390,314
combine['KitchenQual']=combine['KitchenQual'].fillna('TA') combine.KitchenQual.value_counts()<count_values>
test_data.isnull().sum().sort_values(ascending = False )
Titanic - Machine Learning from Disaster