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label_encoder1 = LabelEncoder() label_encoder2 = LabelEncoder() train_data['Country_Region'] = label_encoder2.fit_transform(train_data['Country_Region']) test_data['Country_Region'] = label_encoder2.transform(test_data['Country_Region'] )<define_variables>
shuffled_indices = np.arange(len(input_data.values)-1) np.random.shuffle(shuffled_indices) shuffled_inputs = input_data.values[shuffled_indices] shuffled_targets = target.values[shuffled_indices] shuffled_inputs
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Test_id = test_data.ForecastId<drop_column>
num_train_samples=int(0.8*len(shuffled_inputs)) num_validation_samples=int(len(shuffled_inputs)) -num_train_samples train_input=shuffled_inputs[:num_train_samples] train_target=shuffled_targets[:num_train_samples] validation_input=shuffled_inputs[num_train_samples:] validation_target=shuffled_targets[num_train_samples:...
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train_data.drop(['Id'], axis=1, inplace=True) test_data.drop('ForecastId', axis=1, inplace=True )<count_missing_values>
input_size=7 output_size=2 hidden_layer_size=2700 num_hidden_layers=10 model=tf.keras.Sequential() for i in range(num_hidden_layers): model.add(tf.keras.layers.Dense(units=hidden_layer_size,activation='relu')) model.add(tf.keras.layers.Dropout(0.2)) model.add(tf.keras.layers.Dense(units=output_size,activation='softmax'...
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missing_val_count_by_column =(train_data.isnull().sum()) print(missing_val_count_by_column[missing_val_count_by_column>0] )<import_modules>
test_data_raw = pd.read_csv("/kaggle/input/titanic/test.csv") test_data=test_data_raw.drop(['Name','Ticket','Cabin'],axis='columns') test_data.head()
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from xgboost.sklearn import XGBRegressor<prepare_x_and_y>
age_arr=test_data.Age.values bool_arr=pd.isna(test_data.Age.values) total_age=0 num_age=0 for i in range(len(age_arr)) : if bool_arr[i]==False: total_age+=age_arr[i] num_age+=1 avg_age=(total_age/num_age) for i in range(len(age_arr)) : if bool_arr[i]==True: age_arr[i]=avg_age scaled_age_arr=[round(age/avg_age,2)for a...
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X_train = train_data[['Country_Region','Date']] y_train = train_data[['ConfirmedCases', 'Fatalities']]<import_modules>
d_Sex={'male':0,'female':1} d_Embarked={'S':0,'C':1,'Q':2} test_data.Sex = test_data.Sex.replace(d_Sex) test_data.Embarked = test_data.Embarked.replace(d_Embarked) test_data.Embarked=test_data.Embarked.astype(int)
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from sklearn.tree import DecisionTreeRegressor<choose_model_class>
test_data.drop(['PassengerId'],axis=1 ).values
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tree_regressor1 = DecisionTreeRegressor(ccp_alpha=0.0, criterion='mse', max_depth=None, max_features=None, max_leaf_nodes=None, min_impurity_decrease=0.0, min_impurity_split=None, min_samples_leaf=1, min_samples_split=2, min_weight_fraction_leaf=0.0, presort='deprecated', random_state=6967, splitter='best' )<choose_mod...
probabilities = model.predict(test_data.drop(['PassengerId'],axis=1 ).values) predictions=list() for p in probabilities: if p[0]>p[1]: predictions.append(0) else: predictions.append(1) print(predictions )
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tree_regressor2 = DecisionTreeRegressor(ccp_alpha=0.0, criterion='mse', max_depth=None, max_features=None, max_leaf_nodes=None, min_impurity_decrease=0.0, min_impurity_split=None, min_samples_leaf=1, min_samples_split=2, min_weight_fraction_leaf=0.0, presort='deprecated', random_state=6967, splitter='best' )<train_mode...
output = pd.DataFrame({'PassengerId': test_data.PassengerId.values, 'Survived': predictions}) output.to_csv('my_submission.csv', index=False) print("Your submission was successfully saved!" )
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tree_regressor1.fit(X_train, y_train.ConfirmedCases )<train_model>
with open('my_submission.csv','r')as f: reader=csv.reader(f) for row in reader: print(row )
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tree_regressor2.fit(X_train, y_train.Fatalities )<predict_on_test>
warnings.filterwarnings("ignore")
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best_best_estimate_1 = tree_regressor1.predict(test_data )<predict_on_test>
train=pd.read_csv('.. /input/train.csv') test=pd.read_csv('.. /input/test.csv') test.head()
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best_best_estimate_2 = tree_regressor2.predict(test_data )<create_dataframe>
train=train.drop('PassengerId',axis=1) PassengerId=test['PassengerId'] test=test.drop('PassengerId',axis=1) Survived=train['Survived']
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df_sub = pd.DataFrame()<save_to_csv>
o=[] c=['SibSp','Age','Parch','Fare'] for f in c: q1=np.percentile(train[f],25) q3=np.percentile(train[f],75) iq=q3-q1 iqs=1.5*iq oi=train[(train[f]<q1-iqs)|(train[f]>q3+iqs)].index o.extend(oi) o=Counter(o) mo=list(k for k,v in o.items() if v>2) train=train.drop(mo,axis=0) train.shape
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df_sub['ForecastId'] = Test_id df_sub['ConfirmedCases'] = np.round(best_best_estimate_1,0) df_sub['Fatalities'] = np.round(best_best_estimate_2,0) df_sub.to_csv('submission.csv', index=False )<install_modules>
print(train[['Pclass','Survived']].groupby(['Pclass'],as_index=False ).mean() )
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!pip install pycountry_convert<set_options>
tlen=len(train) data=pd.concat(objs=[train,test],axis=0 ).reset_index(drop=True) data['size']=data['SibSp']+data['Parch']+1
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%matplotlib inline warnings.filterwarnings('ignore') %config InlineBackend.figure_format = 'retina' <load_from_csv>
data['alone']=0 data.loc[data['size']==1,'alone']=1 data['sf']=0 data.loc[data['size']==2,'sf']=1 data['mf']=data['size'].apply(lambda s: 1 if 3<= s <= 4 else 0) data['bf']=data['size'].apply(lambda s: 1 if s>4 else 0)
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df_train = pd.read_csv('/kaggle/input/covid19-global-forecasting-week-4/train.csv') df_test = pd.read_csv('/kaggle/input/covid19-global-forecasting-week-4/test.csv' )<data_type_conversions>
data['Sex']=data['Sex'].map({'male':1,'female':0} ).astype(int)
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df_train['Date'] = pd.to_datetime(df_train['Date'], format = '%Y-%m-%d') df_test['Date'] = pd.to_datetime(df_test['Date'], format = '%Y-%m-%d' )<categorify>
data.isnull().sum()
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class country_utils() : def __init__(self): self.d = {} def get_dic(self): return self.d def get_country_details(self,country): try: country_obj = pycountry.countries.get(name=country) continent_code = pc.country_alpha2_to_continent_code(country_obj.alpha_2) continent = pc.convert_continent_code_to_continent_name(c...
data['Embarked']=data['Embarked'].fillna('S')
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def add_daily_measures(df): df.loc[0,'Daily Cases'] = df.loc[0,'ConfirmedCases'] df.loc[0,'Daily Deaths'] = df.loc[0,'Fatalities'] for i in range(1,len(df)) : df.loc[i,'Daily Cases'] = df.loc[i,'ConfirmedCases'] - df.loc[i-1,'ConfirmedCases'] df.loc[i,'Daily Deaths'] = df.loc[i,'Fatalities'] - df.loc[i-1,'Fatalities'] ...
l=data[data['Age'].isnull() ].index for i in l: am=data['Age'].median() ap= data["Age"][(( data['SibSp'] == data.iloc[i]["SibSp"])&(data['Parch'] == data.iloc[i]["Parch"])&(data['Pclass'] == data.iloc[i]["Pclass"])) ].median() if not np.isnan(ap): data['Age'].iloc[i] = ap else : data['Age'].iloc[i] = am
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df_world = df_train.copy() df_world = df_world.groupby('Date',as_index=False)['ConfirmedCases','Fatalities'].sum() df_world = add_daily_measures(df_world )<data_type_conversions>
data['title'] = data['title'].replace(['Lady', 'Countess','Capt', 'Col','Don'\ , 'Dr', 'Major', 'Rev', 'Sir', 'Jonkheer', 'Dona'], 'Rare') data['title'] = data['title'].replace('Mlle', 'Miss') data['title'] = data['title'].replace('Ms', 'Miss') data['title'] = data['title'].replace('Mme', 'Mrs')
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df_map = df_train.copy() df_map = df_map[:24500] df_map['Date'] = df_map['Date'].astype(str) df_map = df_map.groupby(['Date','Country_Region'], as_index=False)['ConfirmedCases','Fatalities'].sum()<feature_engineering>
title_mapping = {"Mr": 1, "Miss": 2, "Mrs": 3, "Master": 4, "Rare": 5} data['title'] = data['title'].map(title_mapping)
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df_map['iso_alpha'] = df_map.apply(lambda x: obj.fetch_iso3(x['Country_Region']), axis=1 )<feature_engineering>
data['Embarked'] = data['Embarked'].map({'S': 0, 'C': 1, 'Q': 2})
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df_map['ln(ConfirmedCases)'] = np.log(df_map.ConfirmedCases + 1) df_map['ln(Fatalities)'] = np.log(df_map.Fatalities + 1 )<filter>
Ticket = [] for i in list(data.Ticket): if not i.isdigit() : Ticket.append(i.replace(".","" ).replace("/","" ).strip().split(' ')[0]) else: Ticket.append("X") data["Ticket"] = Ticket data["Ticket"].head()
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last_date = df_train.Date.max() df_countries = df_train[df_train['Date']==last_date] df_countries = df_countries.groupby('Country_Region', as_index=False)['ConfirmedCases','Fatalities'].sum() df_countries = df_countries.nlargest(10,'ConfirmedCases') df_trend = df_train.groupby(['Date','Country_Region'], as_index=False...
data["Pclass"] = data["Pclass"].astype("category") data = pd.get_dummies(data, columns = ["Pclass",'Ticket','Embarked','Cabin'] )
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df_map['Mortality Rate%'] = round(( df_map.Fatalities/df_map.ConfirmedCases)*100,2 )<define_variables>
data=data.drop(['Name'],axis=1 )
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us_state_abbrev = { 'Alabama': 'AL', 'Alaska': 'AK', 'American Samoa': 'AS', 'Arizona': 'AZ', 'Arkansas': 'AR', 'California': 'CA', 'Colorado': 'CO', 'Connecticut': 'CT', 'Delaware': 'DE', 'District of Columbia': 'DC', 'Florida': 'FL', 'Georgia': 'GA', 'Guam': 'GU', 'Hawaii': 'HI', 'Idaho': 'ID', 'Illinois': 'IL', 'Ind...
train=data[:tlen] test=data[tlen:]
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df_us = df_train[df_train['Country_Region']=='US'] df_us['Date'] = df_us['Date'].astype(str) df_us['state_code'] = df_us.apply(lambda x: us_state_abbrev.get(x.Province_State,float('nan')) , axis=1) df_us['ln(ConfirmedCases)'] = np.log(df_us.ConfirmedCases + 1) df_us['ln(Fatalities)'] = np.log(df_us.Fatalities + 1 )<...
xtrain=train.drop(['Survived'],axis=1 ).values xtest=test.drop(['Survived'],axis=1 ).values ytrain=train['Survived'].values
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df_train.Province_State.fillna('NaN', inplace=True) df_plot = df_train.groupby(['Date','Country_Region','Province_State'], as_index=False)['ConfirmedCases','Fatalities'].sum()<groupby>
sv=SVC()
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df_train.Province_State.fillna('NaN', inplace=True) df_plot = df_train.groupby(['Date','Country_Region','Province_State'], as_index=False)['ConfirmedCases','Fatalities'].sum()<groupby>
kf=KFold(10,True,0 )
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df_train.Province_State.fillna('NaN', inplace=True) df_plot = df_train.groupby(['Date','Country_Region','Province_State'], as_index=False)['ConfirmedCases','Fatalities'].sum()<load_from_csv>
cross_val_score(sv, xtrain, y = ytrain, scoring = "accuracy", cv = kf, n_jobs=4 ).mean()
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config = tf.compat.v1.ConfigProto(device_count = {'GPU': 1 , 'CPU': 10}) sess = tf.compat.v1.Session(config=config) tf.compat.v1.keras.backend.set_session(sess) def main_for_train(save_model_train=False, save_public_test=False): train = pd.read_csv('/kaggle/input/covid19-global-forecasting-week-4/train.csv') train[...
scores=[] kf=KFold(10,True,0) for(train_index,test_index)in kf.split(xtrain): X_train, X_test, y_train, y_test = xtrain[train_index], xtrain[test_index], ytrain[train_index], ytrain[test_index] sv.fit(X_train, y_train) scores.append(sv.score(X_test, y_test)) print(np.mean(scores))
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train = pd.read_csv('.. /input/covid19-global-forecasting-week-4/train.csv') train['Date'] = pd.to_datetime(train['Date']) def dealing_with_null_values(dataset): dataset = dataset for i in dataset.columns: replace = [] data = dataset[i].isnull() count = 0 for j,k in zip(data,dataset[i]): if(j==True): count = count+1 ...
from sklearn.neighbors import KNeighborsClassifier from sklearn.tree import DecisionTreeClassifier from sklearn.ensemble import RandomForestClassifier, AdaBoostClassifier, GradientBoostingClassifier,ExtraTreesClassifier from sklearn.naive_bayes import GaussianNB from sklearn.linear_model import LogisticRegression from ...
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import pandas as pd from pathlib import Path from pandas_profiling import ProfileReport from sklearn.tree import DecisionTreeClassifier from sklearn.preprocessing import LabelEncoder import datetime from sklearn.model_selection import GridSearchCV from sklearn import preprocessing from sklearn.model_selection import cr...
classifiers = [ SVC() , AdaBoostClassifier() , GradientBoostingClassifier() , LogisticRegression() , LinearDiscriminantAnalysis() , xgb.XGBClassifier() ]
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dataset_path = Path('/kaggle/input/covid19-global-forecasting-week-4') train = pd.read_csv(dataset_path/'train.csv') test = pd.read_csv(dataset_path/'test.csv') dtree_sub = pd.read_csv(dataset_path/'submission.csv' )<create_dataframe>
for cf in classifiers: print(cross_val_score(cf,xtrain,ytrain,cv=10 ).mean())
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train_profile = ProfileReport(train, title='COVID19 WEEK 4 Profiling Report', html={'style':{'full_width':True}},progress_bar=False); train_profile<categorify>
n=xtrain.shape[0]
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def fill_state(state,country): if pd.isna(state): return country return state<feature_engineering>
kf=KFold(10,True,0) sttrain=np.zeros(( n,1)) stest=np.zeros(( xtest.shape[0],1)) for cf in classifiers: otr=np.zeros(( n,)) oof_test = np.zeros(( xtest.shape[0],)) oof_test_skf = np.empty(( 10, xtest.shape[0])) for i,(train_index,test_index)in enumerate(kf.split(train)) : X_train, X_test, y_train, y_test = xtrain[trai...
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train['Province_State'] = train.loc[:, ['Province_State', 'Country_Region']].apply(lambda x : fill_state(x['Province_State'], x['Country_Region']), axis=1) test['Province_State'] = test.loc[:, ['Province_State', 'Country_Region']].apply(lambda x : fill_state(x['Province_State'], x['Country_Region']), axis=1) train['D...
xgc=xgb.XGBClassifier() xgc.fit(sttrain,ytrain) pred=xgc.predict(stest ).astype(int )
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dtree_sub=pd.DataFrame(columns=dtree_sub.columns) l1=LabelEncoder() l2=LabelEncoder() l1.fit(train['Country_Region']) l2.fit(train['Province_State'] )<categorify>
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countries=train['Country_Region'].unique() for country in countries: country_df=train[train['Country_Region']==country] provinces=country_df['Province_State'].unique() for province in provinces: train_df=country_df[country_df['Province_State']==province] train_df.pop('Id') x=train_df[['Province_State','Country_Region'...
FileLinks('.')
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dtree_confirmed=dtree_sub["ConfirmedCases"] dtree_fatal=dtree_sub["Fatalities"] boost_confirmed = xgb_sub["ConfirmedCases"] boost_fatal = xgb_sub["Fatalities"] deep_confirmed = dataframe_for_submission["ConfirmedCases"] deep_fatal = dataframe_for_submission["Fatalities"] dataframe_for_submission["ConfirmedCases"] = 0.1...
kfold = StratifiedKFold(n_splits=10 )
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warnings.filterwarnings('ignore') <load_from_csv>
SVMC = SVC(probability=True) svc_param_grid = {'kernel': ['rbf'], 'gamma': [ 0.001, 0.01, 0.1, 1], 'C': [1, 10, 50, 100,200,300, 1000]} gsSVMC = GridSearchCV(SVMC,param_grid = svc_param_grid, cv=kf, scoring="accuracy", n_jobs= 4, verbose = 1) gsSVMC.fit(xtrain,ytrain) SVMC_best = gsSVMC.best_estimator_ gsSVMC.best_s...
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covid_cases = pd.read_csv('.. /input/novel-corona-virus-2019-dataset/covid_19_data.csv') covid_cases.head()<load_from_csv>
RFC = RandomForestClassifier() rf_param_grid = {"max_depth": [None], "max_features": [1, 3, 10], "min_samples_split": [2, 3, 10], "min_samples_leaf": [1, 3, 10], "bootstrap": [False], "n_estimators" :[100,300], "criterion": ["gini"]} gsRFC = GridSearchCV(RFC,param_grid = rf_param_grid, cv=kf, scoring="accuracy", n_jobs...
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training_data = pd.read_csv(".. /input/covid19-global-forecasting-week-4/train.csv") testing_data = pd.read_csv(".. /input/covid19-global-forecasting-week-4/test.csv" )<data_type_conversions>
ExtC = ExtraTreesClassifier() ex_param_grid = {"max_depth": [None], "max_features": [1, 3, 10], "min_samples_split": [2, 3, 10], "min_samples_leaf": [1, 3, 10], "bootstrap": [False], "n_estimators" :[100,300], "criterion": ["gini"]} gsExtC = GridSearchCV(ExtC,param_grid = ex_param_grid, cv=kf, scoring="accuracy", n_job...
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print(training_data.isnull().sum()) print(testing_data.isnull().sum()) print(training_data.dtypes) print(testing_data.dtypes) training_data['Province_State'].fillna("",inplace = True) testing_data['Province_State'].fillna("",inplace = True )<concatenate>
GBC = GradientBoostingClassifier() gb_param_grid = {'loss' : ["deviance"], 'n_estimators' : [100,200,300], 'learning_rate': [0.1, 0.05, 0.01], 'max_depth': [4, 8], 'min_samples_leaf': [100,150], 'max_features': [0.3, 0.1] } gsGBC = GridSearchCV(GBC,param_grid = gb_param_grid, cv=kfold, scoring="accuracy", n_jobs= 4, ve...
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country_list = covid_cases['Country/Region'].unique() country_grouped_covid = covid_cases[0:1] for country in country_list: test_data = covid_cases['Country/Region'] == country test_data = covid_cases[test_data] country_grouped_covid = pd.concat([country_grouped_covid, test_data], axis=0) country_grouped_covid.reset_i...
votingC = VotingClassifier(estimators=[('rfc', RFC_best),('extc', ExtC_best), ('svc', SVMC_best),('gbc',GBC_best)], voting='soft', n_jobs=4) votingC = votingC.fit(xtrain, ytrain )
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latest_data = country_grouped_covid['ObservationDate'] == '04/10/2020' country_data = country_grouped_covid[latest_data] country_list = country_data['Country/Region'].unique() print("The total number of countries with COVID-19 Confirmed cases = {}".format(country_list.size))<feature_engineering>
test_Survived = pd.Series(votingC.predict(xtest), name="Survived" ).astype(int) results = pd.concat([PassengerId,test_Survived],axis=1) results.to_csv("ensemble_python_voting.csv",index=False )
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py.init_notebook_mode(connected=True) formated_gdf = covid_cases.groupby(['ObservationDate', 'Country/Region'])['Confirmed', 'Deaths', 'Recovered'].max() formated_gdf = formated_gdf.reset_index() formated_gdf['Date'] = pd.to_datetime(formated_gdf['ObservationDate']) formated_gdf['Date'] = formated_gdf['Date'].dt.strf...
FileLinks('.' )
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<load_from_csv><EOS>
StackingSubmission = pd.DataFrame({ 'PassengerId': PassengerId, 'Survived': pred }) StackingSubmission.to_csv("StackingSubmission.csv", index=False) df=StackingSubmission
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<SOS> metric: categorizationaccuracy Kaggle data source: titanic-machine-learning-from-disaster<create_dataframe>
!pip install pycomp --upgrade --no-cache-dir
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covid_data = dataframe[['Date', 'State', 'Country', 'Cumulative_cases', 'Cumulative_death', 'Daily_cases', 'Daily_death', 'Latitude', 'Longitude', 'Temperature', 'Min_temperature', 'Max_temperature', 'Wind_speed', 'Precipitation', 'Fog_Presence', 'Population', 'Population Density/km', 'Median_Age', 'Sex_Ratio', 'Age%_6...
filterwarnings('ignore') DATA_PATH = '.. /input/titanic' TRAIN_FILENAME = 'train.csv' TEST_FILENAME = 'test.csv'
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training_data['Country_Region'] = training_data['Country_Region'] + ' ' + training_data['Province_State'] testing_data['Country_Region'] = testing_data['Country_Region'] + ' ' + testing_data['Province_State'] del training_data['Province_State'] del testing_data['Province_State'] def split_date(date): date = date.split(...
df = pd.read_csv(os.path.join(DATA_PATH, TRAIN_FILENAME)) df.head()
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year = [] month = [] day = [] for i in training_data.Date: year.append(i[0]) month.append(i[1]) day.append(i[2]) training_data['Year'] = year training_data['Month'] = month training_data['Day'] = day del training_data['Date'] year = [] month = [] day = [] for i in testing_data.Date: year.append(i[0]) month.append(i...
feature_adder = CustomFeaturesTitanic(name_title=True, cabin_class=True, ticket_class=True) df_custom = feature_adder.fit_transform(df) df_custom.head()
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latest_data = covid_data['Date'] == '30-03-2020' country_data_detailed = covid_data[latest_data] country_data_detailed.drop(['Daily_cases','Daily_death','Latitude','Longitude'],axis=1,inplace=True) country_data_detailed.head(3 )<data_type_conversions>
dup_dropper = EliminaDuplicatas() df_nodup = dup_dropper.fit_transform(df_slct) print(f'Total of duplicates before: {df_slct.duplicated().sum() }') print(f'Total of duplicates after: {df_nodup.duplicated().sum() }' )
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country_data_detailed['Lung Patients(F)'].replace('Not reported',np.nan,inplace=True) country_data_detailed['Lung Patients(F)'] = country_data_detailed['Lung Patients(F)'].astype("float" )<load_from_csv>
cat_custom_features = ['Pclass'] mod_dict = {col: str for col in cat_custom_features} print(f'Selected columns dtype before transformation: ') print(df_nodup.dtypes[cat_custom_features]) dtype_mod = ModificaTipoPrimitivo(mod_dict=mod_dict) df_mod = dtype_mod.fit_transform(df_nodup) print(f'Selected columns dtype af...
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temperature_data = pd.read_csv('.. /input/covcsd-covid19-countries-statistical-dataset/temperature_data.csv') temperature_data.head()<compute_train_metric>
imputer = SimpleImputer(strategy='median') X_train_num_imp = imputer.fit_transform(X_train_num) X_train_num_imp = pd.DataFrame(X_train_num_imp, columns=num_features) print(f'Null data before imputer: {X_train_num.isnull().sum().sum() }') print(f'Null data after imputer: {X_train_num_imp.isnull().sum().sum() }' )
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sample = temperature_dataset['Temperature'].sample(n=250) test = temperature_dataset['Temperature'] stat, p = ttest_ind(sample, test) print('Statistics=%.3f, p=%.3f' %(stat, p))<normalization>
tmp_ov = data_overview(df=X_train_num_imp) tmp_ov['skew'] = tmp_ov.query('feature in @num_features')['feature'].apply(lambda x: skew(X_train_num_imp[x])) tmp_ov['kurtosis'] = tmp_ov.query('feature in @num_features')['feature'].apply(lambda x: kurtosis(X_train_num_imp[x])) tmp_ov[~tmp_ov['skew'].isnull() ].sort_values(...
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training_data['ConfirmedCases'] = training_data['ConfirmedCases'].apply(int) training_data['Fatalities'] = training_data['Fatalities'].apply(int) cases = training_data.ConfirmedCases fatalities = training_data.Fatalities del training_data['ConfirmedCases'] del training_data['Fatalities'] lb = LabelEncoder() training_...
scaler = DynamicScaler(scaler_type='Standard') X_train_num_scaled = scaler.fit_transform(X_train_num_log) X_train_num_scaled = pd.DataFrame(X_train_num_scaled, columns=num_features) X_train_num_scaled.head()
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rf = XGBRegressor(n_estimators = 1500 , max_depth = 15, learning_rate=0.1) rf.fit(x_train,cases) cases_pred = rf.predict(x_test) rf = XGBRegressor(n_estimators = 1500 , max_depth = 15, learning_rate=0.1) rf.fit(x_train,fatalities) fatalities_pred = rf.predict(x_test )<feature_engineering>
encoder = DummiesEncoding(cat_features_ori=cat_features, dummy_na=True) X_train_cat_enc = encoder.fit_transform(X_train_cat) print(f'Shape before encoding: {X_train_cat.shape}') print(f'Shape after encoding: {X_train_cat_enc.shape}') X_train_cat_enc.head()
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cases_pred = np.around(cases_pred) fatalities_pred = np.around(fatalities_pred) cases_pred[cases_pred < 0] = 0 fatalities_pred[fatalities_pred < 0] = 0<load_from_csv>
TARGET = 'Survived' INITIAL_FEATURES = ['Survived', 'Pclass', 'Sex', 'Age', 'SibSp', 'Parch', 'Fare', 'Embarked', 'name_title', 'ticket_class', 'cabin_class', 'name_length', 'age_cat', 'fare_cat', 'family_size'] INITIAL_PRED_FEATURES = [col for col in INITIAL_FEATURES if col not in TARGET] DTYPE_MODIFICATION_DICT = {'P...
Titanic - Machine Learning from Disaster
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submission_dataset = pd.read_csv(".. /input/covid19-global-forecasting-week-4/submission.csv") submission_dataset['ConfirmedCases'] = cases_pred submission_dataset['Fatalities'] = fatalities_pred submission_dataset.head()<save_to_csv>
df = pd.read_csv(os.path.join(DATA_PATH, TRAIN_FILENAME)) df_prep = initial_train_pipeline.fit_transform(df) X_train, X_val, y_train, y_val = train_test_split(df_prep.drop(TARGET, axis=1), df_prep[TARGET].values, test_size=.20, random_state=42) X_train_prep = prep_pipeline.fit_transform(X_train) X_val_prep = prep_pi...
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submission_dataset.to_csv("submission.csv" , index = False )<load_from_csv>
df_prep = pd.DataFrame(X_train_prep, columns=MODEL_FEATURES) df_prep['Survived'] = y_train plot_corr_matrix(df=df_prep, corr_col='Survived', figsize=(12, 12), cbar=False, n_vars=15 )
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test = pd.read_csv(".. /input/covid19-global-forecasting-week-4/test.csv") train = pd.read_csv(".. /input/covid19-global-forecasting-week-4/train.csv" )<sort_values>
dtree = DecisionTreeClassifier() forest = RandomForestClassifier() lgbm = LGBMClassifier() xgb = XGBClassifier() adaboost = AdaBoostClassifier() gradboost = GradientBoostingClassifier() model_obj = [dtree, forest, lgbm, xgb, adaboost, gradboost] model_names = [type(model ).__name__ for model in model_obj] set_classifie...
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train[train['Country_Region'] == 'US'].sort_values('ConfirmedCases',ascending = False )<groupby>
trainer = ClassificadorBinario() trainer.fit(set_classifiers, X_train_prep, y_train )
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train[train['Country_Region'] == 'US'].groupby(['Date'] ).sum()<data_type_conversions>
metrics = trainer.evaluate_performance(X_train_prep, y_train, X_val_prep, y_val) metrics
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train['Province_State'].fillna('', inplace=True) test['Province_State'].fillna('', inplace=True) train['Date'] = pd.to_datetime(train['Date']) test['Date'] = pd.to_datetime(test['Date']) train = train.sort_values(['Country_Region','Province_State','Date']) test = test.sort_values(['Country_Region','Province_State'...
full_trainer = ClassificadorBinario() full_trainer.training_flow(set_classifiers, X_train_prep, y_train, X_val_prep, y_val, features=MODEL_FEATURES, random_search=True) full_trainer.visual_analysis(features=MODEL_FEATURES, model_shap='LGBMClassifier' )
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def RMSLE(pred,actual): return np.sqrt(np.mean(np.power(( np.log(pred+1)-np.log(actual+1)) ,2))) feature_day = [1,20,50,100,200,500,1000,5000,10000,15000,20000,50000,100000,200000, 500000] def CreateInput(data): feature = [] for day in feature_day: data.loc[:,'Number day from ' + str(day)+ ' case'] = 0 if(train[(train...
metrics = pd.read_csv('output/metrics/metrics.csv') metrics
Titanic - Machine Learning from Disaster
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!pip install pmdarima<save_to_csv>
forest_tunning_grid = { 'bootstrap': [True, False], 'class_weight': [None, 'balanced'], 'criterion': ['gini', 'entropy'], 'max_depth': [5, 6, 7, 9, 10], 'n_estimators': np.arange(300, 600, 50), 'random_state': [42] } lgbm_tunning_grid = { 'boosting_type': ['gbdt'], 'class_weight': [None, 'balanced'], 'learning_rate': [...
Titanic - Machine Learning from Disaster
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df_val = df_val_2 submission = df_val[['ForecastId','ConfirmedCases_hat','Fatalities_hat']] submission.columns = ['ForecastId','ConfirmedCases','Fatalities'] submission = submission.round({'ConfirmedCases': 0, 'Fatalities': 0}) submission.to_csv('submission.csv', index=False) submission<import_modules>
tunning_models_keys = ['RandomForestClassifier', 'LGBMClassifier', 'XGBClassifier', 'AdaBoostClassifier', 'GradientBoostingClassifier'] tunning_param_grids = [forest_tunning_grid, lgbm_tunning_grid, xgboost_tunning_grid, adaboost_tunning_grid, gradboost_tunning_grid] tunned_pipelines = {} general_metrics = pd.DataFrame...
Titanic - Machine Learning from Disaster
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warnings.filterwarnings('ignore') for dirname, _, filenames in os.walk('/kaggle/input'): for filename in filenames: print(os.path.join(dirname, filename)) <load_from_csv>
FINAL_MODEL = 'RandomForestClassifier' final_pipeline = tunned_pipelines[FINAL_MODEL]
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covid_cases = pd.read_csv('/kaggle/input/novel-corona-virus-2019-dataset/covid_19_data.csv') covid_cases.head()<load_from_csv>
df_test = pd.read_csv(os.path.join(DATA_PATH, TEST_FILENAME)) print(f'Shape of test dataset: {df_test.shape}') df_test.head()
Titanic - Machine Learning from Disaster
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training_data = pd.read_csv("/kaggle/input/covid19-global-forecasting-week-4/train.csv") testing_data = pd.read_csv("/kaggle/input/covid19-global-forecasting-week-4/test.csv" )<data_type_conversions>
model_consumer = ConsumoModelo(model=final_pipeline, features=INITIAL_PRED_FEATURES) prediction_pipeline = Pipeline([ ('initial', initial_pred_pipeline), ('prediction', model_consumer) ]) df_pred = prediction_pipeline.fit_transform(df_test) df_pred.head()
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<concatenate><EOS>
df_sub = df_test.merge(df_pred, how='left', left_index=True, right_index=True) df_sub = df_sub.loc[:, ['PassengerId', 'y_pred']] df_sub.columns = ['PassengerId', 'Survived'] df_sub.to_csv('output/submission.csv', index=False) df_sub.head()
Titanic - Machine Learning from Disaster
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<SOS> metric: categorizationaccuracy Kaggle data source: titanic-machine-learning-from-disaster<count_unique_values>
import pandas as pd import numpy as np import matplotlib.pyplot as plt import seaborn as sns
Titanic - Machine Learning from Disaster
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latest_data = country_grouped_covid['ObservationDate'] == '04/13/2020' country_data = country_grouped_covid[latest_data] country_list = country_data['Country/Region'].unique() print("The total number of countries with COVID-19 Confirmed cases = {}".format(country_list.size))<feature_engineering>
train_data = pd.read_csv('.. /input/titanic/train.csv') test_data = pd.read_csv('.. /input/titanic/test.csv') train = train_data.copy() test = test_data.copy()
Titanic - Machine Learning from Disaster
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py.init_notebook_mode(connected=True) formated_gdf = covid_cases.groupby(['ObservationDate', 'Country/Region'])['Confirmed', 'Deaths', 'Recovered'].max() formated_gdf = formated_gdf.reset_index() formated_gdf['Date'] = pd.to_datetime(formated_gdf['ObservationDate']) formated_gdf['Date'] = formated_gdf['Date'].dt.strf...
train.drop(['PassengerId'], axis=1, inplace=True) test.drop(['PassengerId'], axis=1, inplace=True) pred = train['Survived']
Titanic - Machine Learning from Disaster
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py.init_notebook_mode(connected=True) formated_gdf = covid_cases.groupby(['ObservationDate', 'Country/Region'])['Confirmed', 'Deaths', 'Recovered'].max() formated_gdf = formated_gdf.reset_index() formated_gdf['Date'] = pd.to_datetime(formated_gdf['ObservationDate']) formated_gdf['Date'] = formated_gdf['Date'].dt.strf...
train.isnull().sum()
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folder_name = '/kaggle/input/covcsd-covid19-countries-statistical-dataset/' file_type = 'csv' seperator =',' dataframe = pd.concat([pd.read_csv(f, sep=seperator)for f in glob.glob(folder_name + "/*."+file_type)],ignore_index=True,sort=False )<create_dataframe>
train.isnull().sum()
Titanic - Machine Learning from Disaster
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covid_data = dataframe[['Date', 'State', 'Country', 'Cumulative_cases', 'Cumulative_death', 'Daily_cases', 'Daily_death', 'Latitude', 'Longitude', 'Temperature', 'Min_temperature', 'Max_temperature', 'Wind_speed', 'Precipitation', 'Fog_Presence', 'Population', 'Population Density/km', 'Median_Age', 'Sex_Ratio', 'Age%_6...
test.isnull().sum()
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training_data['Country_Region'] = training_data['Country_Region'] + ' ' + training_data['Province_State'] testing_data['Country_Region'] = testing_data['Country_Region'] + ' ' + testing_data['Province_State'] del training_data['Province_State'] del testing_data['Province_State'] def split_date(date): date = date.split(...
test.isnull().sum()
Titanic - Machine Learning from Disaster
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year = [] month = [] day = [] for i in training_data.Date: year.append(i[0]) month.append(i[1]) day.append(i[2]) training_data['Year'] = year training_data['Month'] = month training_data['Day'] = day del training_data['Date']<feature_engineering>
train['Age'].fillna(train['Age'].quantile(0.5), inplace=True) test['Age'].fillna(test['Age'].quantile(0.5), inplace=True )
Titanic - Machine Learning from Disaster
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year = [] month = [] day = [] for i in testing_data.Date: year.append(i[0]) month.append(i[1]) day.append(i[2]) testing_data['Year'] = year testing_data['Month'] = month testing_data['Day'] = day del testing_data['Date'] del training_data['Id'] del testing_data['ForecastId'] del testing_data['Year'] del training_dat...
train['Embarked'].fillna('S', inplace=True) test['Embarked'].fillna('S', inplace=True )
Titanic - Machine Learning from Disaster
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latest_data = covid_data['Date'] == '30-03-2020' country_data_detailed = covid_data[latest_data] country_data_detailed.drop(['Daily_cases','Daily_death','Latitude','Longitude'],axis=1,inplace=True) country_data_detailed.head(3 )<categorify>
test['Fare'].fillna(test['Fare'].quantile(0.5), inplace=True )
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country_data_detailed.replace('Not Reported',np.nan,inplace=True) country_data_detailed.replace('N/A',np.nan,inplace=True) country_data_detailed.head(3 )<data_type_conversions>
sex1 = pd.get_dummies(train['Sex']) sex2 = pd.get_dummies(test['Sex'] )
Titanic - Machine Learning from Disaster
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country_data_detailed['Lung Patients(F)'].replace('Not reported',np.nan,inplace=True) country_data_detailed['Lung Patients(F)'] = country_data_detailed['Lung Patients(F)'].astype("float" )<load_from_csv>
train.drop(['Sex'], axis=1, inplace=True) test.drop(['Sex'], axis=1, inplace=True) train = pd.concat([train, sex1], axis=1) test = pd.concat([test, sex2], axis=1 )
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temperature_data = pd.read_csv('/kaggle/input/covcsd-covid19-countries-statistical-dataset/temperature_data.csv') temperature_data.head()<compute_train_metric>
train.drop(['female'], axis=1, inplace=True) test.drop(['female'], axis=1, inplace=True )
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sample = temperature_dataset['Temperature'].sample(n=250) test = temperature_dataset['Temperature'] stat, p = ttest_ind(sample, test) print('Statistics=%.3f, p=%.3f' %(stat, p))<normalization>
embark1 = pd.get_dummies(train['Embarked']) embark2 = pd.get_dummies(test['Embarked']) train.drop(['Embarked'], axis=1, inplace=True) test.drop(['Embarked'], axis=1, inplace=True) train = pd.concat([train, embark1], axis=1) test = pd.concat([test, embark2], axis=1 )
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training_data['ConfirmedCases'] = training_data['ConfirmedCases'].apply(int) training_data['Fatalities'] = training_data['Fatalities'].apply(int) cases = training_data.ConfirmedCases fatalities = training_data.Fatalities del training_data['ConfirmedCases'] del training_data['Fatalities'] lb = LabelEncoder() training_...
def family(x): if x['SibSp'] + x['Parch'] > 1: return 1 else: return 0 train['Family'] = train.apply(family, axis=1) test['Family'] = test.apply(family, axis=1 )
Titanic - Machine Learning from Disaster
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rf = XGBRegressor(n_estimators = 1500 , max_depth = 15, learning_rate=0.1) rf.fit(x_train,cases) cases_pred = rf.predict(x_test) rf = XGBRegressor(n_estimators = 1500 , max_depth = 15, learning_rate=0.1) rf.fit(x_train,fatalities) fatalities_pred = rf.predict(x_test )<feature_engineering>
train.drop(['SibSp','Parch'], axis=1, inplace=True) test.drop(['SibSp','Parch'], axis=1, inplace=True )
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cases_pred = np.around(cases_pred) fatalities_pred = np.around(fatalities_pred) cases_pred[cases_pred < 0] = 0 fatalities_pred[fatalities_pred < 0] = 0<load_from_csv>
train['Cabin'] = pd.Series(i[0] if not pd.isnull(i)else 'X' for i in train['Cabin']) test['Cabin'] = pd.Series(i[0] if not pd.isnull(i)else 'X' for i in test['Cabin'] )
Titanic - Machine Learning from Disaster
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submission_dataset = pd.read_csv(".. /input/covid19-global-forecasting-week-4/submission.csv") submission_dataset['ConfirmedCases'] = cases_pred submission_dataset['Fatalities'] = fatalities_pred submission_dataset.head()<save_to_csv>
train['Cabin'] = train['Cabin'].map({ 'X': 0, 'A': 1, 'B': 2, 'C': 3, 'D': 4, 'E': 5, 'F': 6, 'G': 7, 'T': 0 }) train['Cabin'] = train['Cabin'].astype(int) test['Cabin'] = test['Cabin'].map({ 'X': 0, 'A': 1, 'B': 2, 'C': 3, 'D': 4, 'E': 5, 'F': 6, 'G': 7, 'T': 0 }) test['Cabin'] = test['Cabin'].astype(int )
Titanic - Machine Learning from Disaster
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submission_dataset.to_csv("submission.csv" , index = False )<save_to_csv>
train_title = [i.split(",")[1].split(".")[0].strip() for i in train["Name"]] train["Title"] = pd.Series(train_title) test_title = [i.split(",")[1].split(".")[0].strip() for i in test["Name"]] test["Title"] = pd.Series(test_title )
Titanic - Machine Learning from Disaster
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submission_dataset.to_csv("submission.csv" , index = False )<set_options>
train = train.drop(['Name'], axis = 1) test = test.drop(['Name'], axis = 1 )
Titanic - Machine Learning from Disaster
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plotly.offline.init_notebook_mode() %matplotlib inline def RMSLE(pred,actual): return np.sqrt(np.mean(np.power(( np.log(pred+1)-np.log(actual+1)) ,2)) )<set_options>
train["Title"] = train["Title"].replace(['Lady', 'the Countess','Countess','Capt', 'Col','Don', 'Dr', 'Major', 'Rev', 'Sir', 'Jonkheer', 'Dona'], 'Rare') train["Title"] = train["Title"].map({"Master":0, "Miss":1, "Ms" : 1 , "Mme":1, "Mlle":1, "Mrs":1, "Mr":2, "Rare":3}) train["Title"] = train["Title"].astype(int) te...
Titanic - Machine Learning from Disaster
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warnings.filterwarnings("ignore") %matplotlib inline %config InlineBackend.figure_format = 'retina' <load_from_csv>
Ticket1 = [] for i in list(train.Ticket): if not i.isdigit() : Ticket1.append(i.replace(".","" ).replace("/","" ).strip().split(' ')[0]) else: Ticket1.append("X") train["Ticket"] = Ticket1 Ticket2 = [] for j in list(test.Ticket): if not j.isdigit() : Ticket2.append(j.replace(".","" ).replace("/","" ).strip().split(' ...
Titanic - Machine Learning from Disaster
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train = pd.read_csv("/kaggle/input/covid19-global-forecasting-week-4/train.csv") test = pd.read_csv("/kaggle/input/covid19-global-forecasting-week-4/test.csv") region_metadata = pd.read_csv("/kaggle/input/covid19-forecasting-metadata/region_metadata.csv") region_date_metadata = pd.read_csv("/kaggle/input/covid19-for...
train= pd.get_dummies(train, columns = ["Ticket"], prefix="T") test = pd.get_dummies(test, columns = ["Ticket"], prefix="T" )
Titanic - Machine Learning from Disaster
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train = train.merge(test[["ForecastId", "Province_State", "Country_Region", "Date"]], on = ["Province_State", "Country_Region", "Date"], how = "left") display(train.head()) test = test[~test.Date.isin(train.Date.unique())] display(test.head()) df = pd.concat([train, test], sort = False) df.head()<categorify>
train = train.drop(['T_SP','T_SOP','T_Fa','T_LINE','T_SWPP','T_SCOW','T_PPP','T_AS','T_CASOTON'],axis = 1) test = test.drop(['T_SCA3','T_STONOQ','T_AQ4','T_A','T_LP','T_AQ3'],axis = 1 )
Titanic - Machine Learning from Disaster
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df["geo"] = df.Country_Region.astype(str)+ ": " + df.Province_State.astype(str) df.loc[df.Province_State.isna() , "geo"] = df[df.Province_State.isna() ].Country_Region df.ConfirmedCases = df.groupby("geo")["ConfirmedCases"].cummax() df.Fatalities = df.groupby("geo")["Fatalities"].cummax() df = df.merge(region_metadata...
train.drop(['Survived'],axis=1,inplace=True )
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DAYS_SINCE_CASES = [1, 10, 50, 100, 500, 1000, 5000, 10000] min_date_train = np.min(df[~df.Id.isna() ].Date) max_date_train = np.max(df[~df.Id.isna() ].Date) min_date_test = np.min(df[~df.ForecastId.isna() ].Date) max_date_test = np.max(df[~df.ForecastId.isna() ].Date) n_dates_test = len(df[~df.ForecastId.isna() ]....
print('Train:') print(train.isnull().sum()) print('Test:') print(test.isnull().sum() )
Titanic - Machine Learning from Disaster