import numpy as np
import os
import glob
import pandas as pd
from google.colab import drive
import cv2
from pathlib import Path
import xgboost as xgb
drive.mount('/content/drive')
Go to this URL in a browser: https://accounts.google.com/o/oauth2/auth?client_id=947318989803-6bn6qk8qdgf4n4g3pfee6491hc0brc4i.apps.googleusercontent.com&redirect_uri=urn%3aietf%3awg%3aoauth%3a2.0%3aoob&response_type=code&scope=email%20https%3a%2f%2fwww.googleapis.com%2fauth%2fdocs.test%20https%3a%2f%2fwww.googleapis.com%2fauth%2fdrive%20https%3a%2f%2fwww.googleapis.com%2fauth%2fdrive.photos.readonly%20https%3a%2f%2fwww.googleapis.com%2fauth%2fpeopleapi.readonly

Enter your authorization code:
··········
Mounted at /content/drive
data=pd.read_csv('/content/drive/My Drive/Zindi_Hack/Train_maskedv2.csv')
print('The dimensions of training data is:',data.shape)
print('------------------------------------------------')
print(data.head(5))
The dimensions of training data is: (3174, 50)
------------------------------------------------
      ward  total_households  total_individuals  ...     pg_03     pg_04    lgt_00
0  9D9BEUB       13569.97801        39024.03083  ...  0.029031  0.010292  0.599259
1  RERH3XM       13593.88256        32879.94646  ...  0.000586  0.002832  0.699136
2  GJWA3BO        2698.30050         8261.71093  ...  0.003201  0.000663  0.972315
3  GW6VRB7        1965.96698         9069.77694  ...  0.054701  0.002299  0.735333
4  CN9JZJC        1852.07821         9908.84404  ...  0.000704  0.000714  0.646964

[5 rows x 50 columns]
#Let us try and find out the missing values in the train data
data.isna().sum() 
# Looks like no missing data
ward                    0
total_households        0
total_individuals       0
target_pct_vunerable    0
dw_00                   0
dw_01                   0
dw_02                   0
dw_03                   0
dw_04                   0
dw_05                   0
dw_06                   0
dw_07                   0
dw_08                   0
dw_09                   0
dw_10                   0
dw_11                   0
dw_12                   0
dw_13                   0
psa_00                  0
psa_01                  0
psa_02                  0
psa_03                  0
psa_04                  0
stv_00                  0
stv_01                  0
car_00                  0
car_01                  0
lln_00                  0
lln_01                  0
lan_00                  0
lan_01                  0
lan_02                  0
lan_03                  0
lan_04                  0
lan_05                  0
lan_06                  0
lan_07                  0
lan_08                  0
lan_09                  0
lan_10                  0
lan_11                  0
lan_12                  0
lan_13                  0
lan_14                  0
pg_00                   0
pg_01                   0
pg_02                   0
pg_03                   0
pg_04                   0
lgt_00                  0
dtype: int64
# Let us try and find out if there any non-numeric data in the training data
non_numeric=[cols for cols in data.columns if data[cols].dtypes=='object']
non_numeric
# Obviously ward is an alpha numeric value used for uniquely determining the locality
['ward']
import matplotlib.pyplot as plt
%matplotlib inline
f = plt.figure(figsize=(19, 15))
plt.matshow(data.corr(), fignum=f.number)
plt.xticks(range(data.shape[1]), data.columns, fontsize=14, rotation=45)
plt.yticks(range(data.shape[1]), data.columns, fontsize=14)
cb = plt.colorbar()
cb.ax.tick_params(labelsize=14)
plt.title('Correlation Matrix', fontsize=16);
plt.show()
data.columns
Index(['ward', 'total_households', 'total_individuals', 'target_pct_vunerable',
       'dw_00', 'dw_01', 'dw_02', 'dw_03', 'dw_04', 'dw_05', 'dw_06', 'dw_07',
       'dw_08', 'dw_09', 'dw_10', 'dw_11', 'dw_12', 'dw_13', 'psa_00',
       'psa_01', 'psa_02', 'psa_03', 'psa_04', 'stv_00', 'stv_01', 'car_00',
       'car_01', 'lln_00', 'lln_01', 'lan_00', 'lan_01', 'lan_02', 'lan_03',
       'lan_04', 'lan_05', 'lan_06', 'lan_07', 'lan_08', 'lan_09', 'lan_10',
       'lan_11', 'lan_12', 'lan_13', 'lan_14', 'pg_00', 'pg_01', 'pg_02',
       'pg_03', 'pg_04', 'lgt_00'],
      dtype='object')
#Lets split the data
from sklearn.model_selection import train_test_split
train_cols= ['total_households', 'total_individuals', 
       'dw_00', 'dw_01', 'dw_02', 'dw_03', 'dw_04', 'dw_05', 'dw_06', 'dw_07',
       'dw_08', 'dw_09', 'dw_10', 'dw_11', 'dw_12', 'dw_13', 'psa_00',
       'psa_01', 'psa_02', 'psa_03', 'psa_04', 'stv_00', 'stv_01', 'car_00',
       'car_01', 'lln_00', 'lln_01', 'lan_00', 'lan_01', 'lan_02', 'lan_03',
       'lan_04', 'lan_05', 'lan_06', 'lan_07', 'lan_08', 'lan_09', 'lan_10',
       'lan_11', 'lan_12', 'lan_13', 'lan_14', 'pg_00', 'pg_01', 'pg_02',
       'pg_03', 'pg_04', 'lgt_00']
target_cols=['target_pct_vunerable']
X=data[train_cols]
y=data[target_cols]
train_X, val_X, train_y, val_y = train_test_split(X, y,test_size=0.50,random_state = 123)
print('The training data dimensions are:',train_X.shape,'------',train_y.shape)
print('The validation data dimensions are:',val_X.shape,'------',val_y.shape)
The training data dimensions are: (1587, 48) ------ (1587, 1)
The validation data dimensions are: (1587, 48) ------ (1587, 1)
#Lets try a simple random forest regressor
from sklearn.ensemble import RandomForestRegressor
from sklearn.metrics import mean_absolute_error
forest_model = RandomForestRegressor(random_state=123)
forest_model.fit(train_X, train_y)
preds = forest_model.predict(val_X)
print(mean_absolute_error(val_y, preds))
/usr/local/lib/python3.6/dist-packages/ipykernel_launcher.py:4: DataConversionWarning: A column-vector y was passed when a 1d array was expected. Please change the shape of y to (n_samples,), for example using ravel().
  after removing the cwd from sys.path.
3.8639445471437255
#Lets see the variable importance
importances = forest_model.feature_importances_
indices = np.argsort(importances)[:10]
plt.title('Top 10 Feature Importances')
plt.barh(range(len(indices)), importances[indices], color='b', align='center')
plt.yticks(range(len(indices)), [train_cols[i] for i in indices])
plt.xlabel('Relative Importance')
plt.show()
#Lets try and find out the cross-validation accuracy of a random forest model
from sklearn.model_selection import cross_val_score
scores = cross_val_score(forest_model, X, y, cv=5,scoring='neg_mean_absolute_error')
print("Mean absolute error : %0.2f (+/- %0.2f)" % (-scores.mean(), scores.std() * 2))
/usr/local/lib/python3.6/dist-packages/sklearn/model_selection/_validation.py:515: DataConversionWarning: A column-vector y was passed when a 1d array was expected. Please change the shape of y to (n_samples,), for example using ravel().
  estimator.fit(X_train, y_train, **fit_params)
/usr/local/lib/python3.6/dist-packages/sklearn/model_selection/_validation.py:515: DataConversionWarning: A column-vector y was passed when a 1d array was expected. Please change the shape of y to (n_samples,), for example using ravel().
  estimator.fit(X_train, y_train, **fit_params)
/usr/local/lib/python3.6/dist-packages/sklearn/model_selection/_validation.py:515: DataConversionWarning: A column-vector y was passed when a 1d array was expected. Please change the shape of y to (n_samples,), for example using ravel().
  estimator.fit(X_train, y_train, **fit_params)
/usr/local/lib/python3.6/dist-packages/sklearn/model_selection/_validation.py:515: DataConversionWarning: A column-vector y was passed when a 1d array was expected. Please change the shape of y to (n_samples,), for example using ravel().
  estimator.fit(X_train, y_train, **fit_params)
/usr/local/lib/python3.6/dist-packages/sklearn/model_selection/_validation.py:515: DataConversionWarning: A column-vector y was passed when a 1d array was expected. Please change the shape of y to (n_samples,), for example using ravel().
  estimator.fit(X_train, y_train, **fit_params)
Mean absolute error : 3.93 (+/- 0.26)
#Now lets try xgboost
import xgboost as xgb
xgb_reg=xgb.XGBRegressor(random_state=123)
xgb_reg.fit(train_X,train_y)
#print('Now cross validating')
#print('-------------------------------')
#xgb_scores = cross_val_score(xgb_reg, X, y, cv=5,scoring='neg_mean_absolute_error')
#print("Mean absolute error : %0.2f (+/- %0.2f)" % (-xgb_scores.mean(), xgb_scores.std() * 2))
[19:30:10] WARNING: /workspace/src/objective/regression_obj.cu:152: reg:linear is now deprecated in favor of reg:squarederror.
XGBRegressor(base_score=0.5, booster='gbtree', colsample_bylevel=1,
             colsample_bynode=1, colsample_bytree=1, gamma=0,
             importance_type='gain', learning_rate=0.1, max_delta_step=0,
             max_depth=3, min_child_weight=1, missing=None, n_estimators=100,
             n_jobs=1, nthread=None, objective='reg:linear', random_state=123,
             reg_alpha=0, reg_lambda=1, scale_pos_weight=1, seed=None,
             silent=None, subsample=1, verbosity=1)
preds = xgb_reg.predict(val_X)
print(mean_absolute_error(val_y, preds))
4.045821563802859
X['new']=xgb_reg.predict(X)
X.shape
/usr/local/lib/python3.6/dist-packages/ipykernel_launcher.py:1: SettingWithCopyWarning: 
A value is trying to be set on a copy of a slice from a DataFrame.
Try using .loc[row_indexer,col_indexer] = value instead

See the caveats in the documentation: https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#returning-a-view-versus-a-copy
  """Entry point for launching an IPython kernel.
(3174, 49)
importances = xgb_reg.feature_importances_
indices = np.argsort(importances)[:10]
plt.title('Top 10 Feature Importances')
plt.barh(range(len(indices)), importances[indices], color='b', align='center')
plt.yticks(range(len(indices)), [train_cols[i] for i in indices])
plt.xlabel('Relative Importance')
plt.show()
!pip install catboost
Collecting catboost
  Downloading https://files.pythonhosted.org/packages/94/ec/12b9a42b2ea7dfe5b602f235692ab2b61ee1334ff34334a15902272869e8/catboost-0.22-cp36-none-manylinux1_x86_64.whl (64.4MB)
     |████████████████████████████████| 64.4MB 61kB/s 
Requirement already satisfied: plotly in /usr/local/lib/python3.6/dist-packages (from catboost) (4.4.1)
Requirement already satisfied: graphviz in /usr/local/lib/python3.6/dist-packages (from catboost) (0.10.1)
Requirement already satisfied: scipy in /usr/local/lib/python3.6/dist-packages (from catboost) (1.4.1)
Requirement already satisfied: pandas>=0.24.0 in /usr/local/lib/python3.6/dist-packages (from catboost) (1.0.3)
Requirement already satisfied: six in /usr/local/lib/python3.6/dist-packages (from catboost) (1.12.0)
Requirement already satisfied: matplotlib in /usr/local/lib/python3.6/dist-packages (from catboost) (3.2.1)
Requirement already satisfied: numpy>=1.16.0 in /usr/local/lib/python3.6/dist-packages (from catboost) (1.18.2)
Requirement already satisfied: retrying>=1.3.3 in /usr/local/lib/python3.6/dist-packages (from plotly->catboost) (1.3.3)
Requirement already satisfied: pytz>=2017.2 in /usr/local/lib/python3.6/dist-packages (from pandas>=0.24.0->catboost) (2018.9)
Requirement already satisfied: python-dateutil>=2.6.1 in /usr/local/lib/python3.6/dist-packages (from pandas>=0.24.0->catboost) (2.8.1)
Requirement already satisfied: cycler>=0.10 in /usr/local/lib/python3.6/dist-packages (from matplotlib->catboost) (0.10.0)
Requirement already satisfied: kiwisolver>=1.0.1 in /usr/local/lib/python3.6/dist-packages (from matplotlib->catboost) (1.1.0)
Requirement already satisfied: pyparsing!=2.0.4,!=2.1.2,!=2.1.6,>=2.0.1 in /usr/local/lib/python3.6/dist-packages (from matplotlib->catboost) (2.4.6)
Requirement already satisfied: setuptools in /usr/local/lib/python3.6/dist-packages (from kiwisolver>=1.0.1->matplotlib->catboost) (46.0.0)
Installing collected packages: catboost
Successfully installed catboost-0.22
#Now lets try CatBoost
from catboost import CatBoostRegressor
from sklearn.model_selection import KFold
kf = KFold(n_splits=5)
catboost_scores=0.0
fold = 0
catboost_reg=CatBoostRegressor(random_state=123)
for train_index, test_index in kf.split(X):
  print('In fold',fold+1)
  X_train, X_test = X.iloc[train_index][:], X.iloc[test_index][:]
  y_train, y_test = y.iloc[train_index][:], y.iloc[test_index][:]
  catboost_reg.fit(X_train,y_train,use_best_model=True,eval_set=(X_test,y_test),plot=True,early_stopping_rounds=3)
  catboost_scores=catboost_scores+mean_absolute_error(y_test,catboost_reg.predict(X_test))
  fold = fold + 1
print('The cross validation MAE:',catboost_scores/5)
In fold 1
Learning rate set to 0.05495
0:	learn: 12.3289345	test: 12.2776040	best: 12.2776040 (0)	total: 19.4ms	remaining: 19.4s
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75:	learn: 4.8797039	test: 5.5384297	best: 5.5374476 (72)	total: 1.19s	remaining: 14.4s
Stopped by overfitting detector  (3 iterations wait)

bestTest = 5.537447604
bestIteration = 72

Shrink model to first 73 iterations.
In fold 2
Learning rate set to 0.05495
0:	learn: 12.2638287	test: 12.5634690	best: 12.5634690 (0)	total: 53.5ms	remaining: 53.5s
1:	learn: 11.8213898	test: 12.1661686	best: 12.1661686 (1)	total: 78.4ms	remaining: 39.1s
2:	learn: 11.3698369	test: 11.7348133	best: 11.7348133 (2)	total: 106ms	remaining: 35.2s
3:	learn: 10.9444104	test: 11.3682938	best: 11.3682938 (3)	total: 119ms	remaining: 29.7s
4:	learn: 10.5270128	test: 10.9992391	best: 10.9992391 (4)	total: 133ms	remaining: 26.5s
5:	learn: 10.1480324	test: 10.6414270	best: 10.6414270 (5)	total: 150ms	remaining: 24.8s
6:	learn: 9.7893197	test: 10.3224722	best: 10.3224722 (6)	total: 163ms	remaining: 23.2s
7:	learn: 9.4660995	test: 10.0418837	best: 10.0418837 (7)	total: 177ms	remaining: 21.9s
8:	learn: 9.1674254	test: 9.7815872	best: 9.7815872 (8)	total: 190ms	remaining: 20.9s
9:	learn: 8.8819044	test: 9.5427065	best: 9.5427065 (9)	total: 207ms	remaining: 20.5s
10:	learn: 8.5986040	test: 9.3058420	best: 9.3058420 (10)	total: 220ms	remaining: 19.8s
11:	learn: 8.3344025	test: 9.0723906	best: 9.0723906 (11)	total: 234ms	remaining: 19.2s
12:	learn: 8.0966544	test: 8.8584942	best: 8.8584942 (12)	total: 246ms	remaining: 18.7s
13:	learn: 7.8948824	test: 8.6851150	best: 8.6851150 (13)	total: 259ms	remaining: 18.2s
14:	learn: 7.6836401	test: 8.4977425	best: 8.4977425 (14)	total: 272ms	remaining: 17.9s
15:	learn: 7.4769758	test: 8.3215045	best: 8.3215045 (15)	total: 285ms	remaining: 17.5s
16:	learn: 7.2772360	test: 8.1545061	best: 8.1545061 (16)	total: 299ms	remaining: 17.3s
17:	learn: 7.1111464	test: 8.0261708	best: 8.0261708 (17)	total: 312ms	remaining: 17s
18:	learn: 6.9637134	test: 7.9093488	best: 7.9093488 (18)	total: 326ms	remaining: 16.8s
19:	learn: 6.8169413	test: 7.7908643	best: 7.7908643 (19)	total: 338ms	remaining: 16.6s
20:	learn: 6.6819432	test: 7.6860070	best: 7.6860070 (20)	total: 356ms	remaining: 16.6s
21:	learn: 6.5570416	test: 7.5831940	best: 7.5831940 (21)	total: 370ms	remaining: 16.4s
22:	learn: 6.4407308	test: 7.4854516	best: 7.4854516 (22)	total: 383ms	remaining: 16.3s
23:	learn: 6.3249766	test: 7.3938598	best: 7.3938598 (23)	total: 397ms	remaining: 16.1s
24:	learn: 6.2239302	test: 7.3136219	best: 7.3136219 (24)	total: 413ms	remaining: 16.1s
25:	learn: 6.1274974	test: 7.2340000	best: 7.2340000 (25)	total: 427ms	remaining: 16s
26:	learn: 6.0459548	test: 7.1764045	best: 7.1764045 (26)	total: 440ms	remaining: 15.9s
27:	learn: 5.9673601	test: 7.1184079	best: 7.1184079 (27)	total: 453ms	remaining: 15.7s
28:	learn: 5.8813352	test: 7.0568112	best: 7.0568112 (28)	total: 467ms	remaining: 15.6s
29:	learn: 5.8163130	test: 7.0022539	best: 7.0022539 (29)	total: 479ms	remaining: 15.5s
30:	learn: 5.7586747	test: 6.9654737	best: 6.9654737 (30)	total: 492ms	remaining: 15.4s
31:	learn: 5.7038145	test: 6.9304146	best: 6.9304146 (31)	total: 504ms	remaining: 15.3s
32:	learn: 5.6465861	test: 6.8837235	best: 6.8837235 (32)	total: 517ms	remaining: 15.1s
33:	learn: 5.5978463	test: 6.8571800	best: 6.8571800 (33)	total: 530ms	remaining: 15s
34:	learn: 5.5442846	test: 6.8201647	best: 6.8201647 (34)	total: 543ms	remaining: 15s
35:	learn: 5.4998526	test: 6.7882702	best: 6.7882702 (35)	total: 559ms	remaining: 15s
36:	learn: 5.4617058	test: 6.7618926	best: 6.7618926 (36)	total: 573ms	remaining: 14.9s
37:	learn: 5.4268565	test: 6.7428830	best: 6.7428830 (37)	total: 587ms	remaining: 14.9s
38:	learn: 5.3887893	test: 6.7125455	best: 6.7125455 (38)	total: 600ms	remaining: 14.8s
39:	learn: 5.3546740	test: 6.6910926	best: 6.6910926 (39)	total: 617ms	remaining: 14.8s
40:	learn: 5.3213008	test: 6.6670857	best: 6.6670857 (40)	total: 631ms	remaining: 14.8s
41:	learn: 5.2924814	test: 6.6488885	best: 6.6488885 (41)	total: 644ms	remaining: 14.7s
42:	learn: 5.2647051	test: 6.6222914	best: 6.6222914 (42)	total: 657ms	remaining: 14.6s
43:	learn: 5.2414635	test: 6.6085481	best: 6.6085481 (43)	total: 670ms	remaining: 14.6s
44:	learn: 5.2168243	test: 6.5938824	best: 6.5938824 (44)	total: 682ms	remaining: 14.5s
45:	learn: 5.1916371	test: 6.5784491	best: 6.5784491 (45)	total: 695ms	remaining: 14.4s
46:	learn: 5.1657371	test: 6.5626376	best: 6.5626376 (46)	total: 709ms	remaining: 14.4s
47:	learn: 5.1479004	test: 6.5607941	best: 6.5607941 (47)	total: 721ms	remaining: 14.3s
48:	learn: 5.1314328	test: 6.5554758	best: 6.5554758 (48)	total: 734ms	remaining: 14.2s
49:	learn: 5.1057519	test: 6.5371710	best: 6.5371710 (49)	total: 747ms	remaining: 14.2s
50:	learn: 5.0851956	test: 6.5295128	best: 6.5295128 (50)	total: 776ms	remaining: 14.4s
51:	learn: 5.0706566	test: 6.5265500	best: 6.5265500 (51)	total: 826ms	remaining: 15.1s
52:	learn: 5.0558574	test: 6.5155333	best: 6.5155333 (52)	total: 842ms	remaining: 15s
53:	learn: 5.0432440	test: 6.5091558	best: 6.5091558 (53)	total: 858ms	remaining: 15s
54:	learn: 5.0285807	test: 6.5064188	best: 6.5064188 (54)	total: 872ms	remaining: 15s
55:	learn: 5.0146145	test: 6.5010706	best: 6.5010706 (55)	total: 885ms	remaining: 14.9s
56:	learn: 5.0021810	test: 6.4950452	best: 6.4950452 (56)	total: 898ms	remaining: 14.9s
57:	learn: 4.9889738	test: 6.4906546	best: 6.4906546 (57)	total: 911ms	remaining: 14.8s
58:	learn: 4.9710105	test: 6.4841875	best: 6.4841875 (58)	total: 924ms	remaining: 14.7s
59:	learn: 4.9576811	test: 6.4723175	best: 6.4723175 (59)	total: 937ms	remaining: 14.7s
60:	learn: 4.9458925	test: 6.4726754	best: 6.4723175 (59)	total: 955ms	remaining: 14.7s
61:	learn: 4.9311729	test: 6.4652552	best: 6.4652552 (61)	total: 970ms	remaining: 14.7s
62:	learn: 4.9161554	test: 6.4662115	best: 6.4652552 (61)	total: 985ms	remaining: 14.7s
63:	learn: 4.9092506	test: 6.4685638	best: 6.4652552 (61)	total: 998ms	remaining: 14.6s
64:	learn: 4.8957865	test: 6.4663142	best: 6.4652552 (61)	total: 1.01s	remaining: 14.5s
Stopped by overfitting detector  (3 iterations wait)

bestTest = 6.465255186
bestIteration = 61

Shrink model to first 62 iterations.
In fold 3
Learning rate set to 0.05495
0:	learn: 12.3610456	test: 12.1934444	best: 12.1934444 (0)	total: 27.3ms	remaining: 27.3s
1:	learn: 11.8810629	test: 11.7043422	best: 11.7043422 (1)	total: 51.7ms	remaining: 25.8s
2:	learn: 11.4187824	test: 11.2451851	best: 11.2451851 (2)	total: 83.3ms	remaining: 27.7s
3:	learn: 10.9987349	test: 10.8106015	best: 10.8106015 (3)	total: 106ms	remaining: 26.4s
4:	learn: 10.6014504	test: 10.4162171	best: 10.4162171 (4)	total: 118ms	remaining: 23.5s
5:	learn: 10.2230029	test: 10.0406836	best: 10.0406836 (5)	total: 131ms	remaining: 21.7s
6:	learn: 9.8766627	test: 9.6908051	best: 9.6908051 (6)	total: 146ms	remaining: 20.8s
7:	learn: 9.5665827	test: 9.3786386	best: 9.3786386 (7)	total: 160ms	remaining: 19.8s
8:	learn: 9.2631818	test: 9.0831759	best: 9.0831759 (8)	total: 173ms	remaining: 19.1s
9:	learn: 8.9763903	test: 8.8010794	best: 8.8010794 (9)	total: 186ms	remaining: 18.5s
10:	learn: 8.7006885	test: 8.5244536	best: 8.5244536 (10)	total: 202ms	remaining: 18.1s
11:	learn: 8.4412368	test: 8.2667162	best: 8.2667162 (11)	total: 215ms	remaining: 17.7s
12:	learn: 8.1958908	test: 8.0335980	best: 8.0335980 (12)	total: 228ms	remaining: 17.3s
13:	learn: 7.9987302	test: 7.8428531	best: 7.8428531 (13)	total: 242ms	remaining: 17s
14:	learn: 7.7941270	test: 7.6352679	best: 7.6352679 (14)	total: 255ms	remaining: 16.7s
15:	learn: 7.5926323	test: 7.4392731	best: 7.4392731 (15)	total: 269ms	remaining: 16.5s
16:	learn: 7.4149437	test: 7.2612893	best: 7.2612893 (16)	total: 285ms	remaining: 16.5s
17:	learn: 7.2558247	test: 7.1037204	best: 7.1037204 (17)	total: 298ms	remaining: 16.3s
18:	learn: 7.1134141	test: 6.9754968	best: 6.9754968 (18)	total: 311ms	remaining: 16.1s
19:	learn: 6.9679675	test: 6.8368685	best: 6.8368685 (19)	total: 324ms	remaining: 15.9s
20:	learn: 6.8408809	test: 6.7269664	best: 6.7269664 (20)	total: 338ms	remaining: 15.7s
21:	learn: 6.7315560	test: 6.6312107	best: 6.6312107 (21)	total: 353ms	remaining: 15.7s
22:	learn: 6.6136854	test: 6.5185367	best: 6.5185367 (22)	total: 365ms	remaining: 15.5s
23:	learn: 6.5056565	test: 6.4161516	best: 6.4161516 (23)	total: 378ms	remaining: 15.4s
24:	learn: 6.4051107	test: 6.3207853	best: 6.3207853 (24)	total: 390ms	remaining: 15.2s
25:	learn: 6.3117434	test: 6.2329067	best: 6.2329067 (25)	total: 405ms	remaining: 15.2s
26:	learn: 6.2304985	test: 6.1653927	best: 6.1653927 (26)	total: 418ms	remaining: 15.1s
27:	learn: 6.1478379	test: 6.0948818	best: 6.0948818 (27)	total: 431ms	remaining: 14.9s
28:	learn: 6.0667810	test: 6.0195062	best: 6.0195062 (28)	total: 443ms	remaining: 14.8s
29:	learn: 6.0044982	test: 5.9686741	best: 5.9686741 (29)	total: 456ms	remaining: 14.7s
30:	learn: 5.9410014	test: 5.9169572	best: 5.9169572 (30)	total: 468ms	remaining: 14.6s
31:	learn: 5.8860214	test: 5.8707541	best: 5.8707541 (31)	total: 482ms	remaining: 14.6s
32:	learn: 5.8305451	test: 5.8296672	best: 5.8296672 (32)	total: 500ms	remaining: 14.7s
33:	learn: 5.7756188	test: 5.7821183	best: 5.7821183 (33)	total: 514ms	remaining: 14.6s
34:	learn: 5.7277044	test: 5.7402875	best: 5.7402875 (34)	total: 527ms	remaining: 14.5s
35:	learn: 5.6828518	test: 5.6962084	best: 5.6962084 (35)	total: 541ms	remaining: 14.5s
36:	learn: 5.6344235	test: 5.6603170	best: 5.6603170 (36)	total: 558ms	remaining: 14.5s
37:	learn: 5.5934290	test: 5.6316458	best: 5.6316458 (37)	total: 571ms	remaining: 14.4s
38:	learn: 5.5570540	test: 5.6044943	best: 5.6044943 (38)	total: 583ms	remaining: 14.4s
39:	learn: 5.5216751	test: 5.5784914	best: 5.5784914 (39)	total: 596ms	remaining: 14.3s
40:	learn: 5.4915830	test: 5.5573724	best: 5.5573724 (40)	total: 612ms	remaining: 14.3s
41:	learn: 5.4600584	test: 5.5433796	best: 5.5433796 (41)	total: 625ms	remaining: 14.3s
42:	learn: 5.4281756	test: 5.5263031	best: 5.5263031 (42)	total: 637ms	remaining: 14.2s
43:	learn: 5.4055308	test: 5.5131930	best: 5.5131930 (43)	total: 657ms	remaining: 14.3s
44:	learn: 5.3799561	test: 5.5023149	best: 5.5023149 (44)	total: 670ms	remaining: 14.2s
45:	learn: 5.3467273	test: 5.4921758	best: 5.4921758 (45)	total: 684ms	remaining: 14.2s
46:	learn: 5.3221979	test: 5.4783292	best: 5.4783292 (46)	total: 697ms	remaining: 14.1s
47:	learn: 5.3061701	test: 5.4669940	best: 5.4669940 (47)	total: 714ms	remaining: 14.2s
48:	learn: 5.2868874	test: 5.4572233	best: 5.4572233 (48)	total: 728ms	remaining: 14.1s
49:	learn: 5.2621899	test: 5.4535550	best: 5.4535550 (49)	total: 741ms	remaining: 14.1s
50:	learn: 5.2411783	test: 5.4486281	best: 5.4486281 (50)	total: 757ms	remaining: 14.1s
51:	learn: 5.2254980	test: 5.4397153	best: 5.4397153 (51)	total: 772ms	remaining: 14.1s
52:	learn: 5.2082537	test: 5.4268459	best: 5.4268459 (52)	total: 785ms	remaining: 14s
53:	learn: 5.1916993	test: 5.4176742	best: 5.4176742 (53)	total: 799ms	remaining: 14s
54:	learn: 5.1741598	test: 5.4069270	best: 5.4069270 (54)	total: 815ms	remaining: 14s
55:	learn: 5.1612582	test: 5.4043819	best: 5.4043819 (55)	total: 828ms	remaining: 14s
56:	learn: 5.1448153	test: 5.3884986	best: 5.3884986 (56)	total: 841ms	remaining: 13.9s
57:	learn: 5.1310895	test: 5.3816441	best: 5.3816441 (57)	total: 854ms	remaining: 13.9s
58:	learn: 5.1096532	test: 5.3767150	best: 5.3767150 (58)	total: 866ms	remaining: 13.8s
59:	learn: 5.0944991	test: 5.3678761	best: 5.3678761 (59)	total: 879ms	remaining: 13.8s
60:	learn: 5.0823684	test: 5.3683165	best: 5.3678761 (59)	total: 892ms	remaining: 13.7s
61:	learn: 5.0689440	test: 5.3666726	best: 5.3666726 (61)	total: 905ms	remaining: 13.7s
62:	learn: 5.0568679	test: 5.3638713	best: 5.3638713 (62)	total: 922ms	remaining: 13.7s
63:	learn: 5.0452980	test: 5.3642582	best: 5.3638713 (62)	total: 934ms	remaining: 13.7s
64:	learn: 5.0318410	test: 5.3657765	best: 5.3638713 (62)	total: 947ms	remaining: 13.6s
65:	learn: 5.0215553	test: 5.3601653	best: 5.3601653 (65)	total: 971ms	remaining: 13.7s
66:	learn: 5.0090923	test: 5.3515741	best: 5.3515741 (66)	total: 987ms	remaining: 13.7s
67:	learn: 4.9998818	test: 5.3471220	best: 5.3471220 (67)	total: 1s	remaining: 13.7s
68:	learn: 4.9919196	test: 5.3444738	best: 5.3444738 (68)	total: 1.02s	remaining: 13.7s
69:	learn: 4.9799796	test: 5.3402802	best: 5.3402802 (69)	total: 1.03s	remaining: 13.7s
70:	learn: 4.9742816	test: 5.3381548	best: 5.3381548 (70)	total: 1.04s	remaining: 13.6s
71:	learn: 4.9661991	test: 5.3320738	best: 5.3320738 (71)	total: 1.05s	remaining: 13.6s
72:	learn: 4.9585830	test: 5.3336317	best: 5.3320738 (71)	total: 1.07s	remaining: 13.6s
73:	learn: 4.9500979	test: 5.3321078	best: 5.3320738 (71)	total: 1.08s	remaining: 13.5s
74:	learn: 4.9439563	test: 5.3321119	best: 5.3320738 (71)	total: 1.09s	remaining: 13.5s
Stopped by overfitting detector  (3 iterations wait)

bestTest = 5.332073829
bestIteration = 71

Shrink model to first 72 iterations.
In fold 4
Learning rate set to 0.05495
0:	learn: 12.3321255	test: 12.4166693	best: 12.4166693 (0)	total: 28ms	remaining: 27.9s
1:	learn: 11.8602181	test: 11.9529601	best: 11.9529601 (1)	total: 54ms	remaining: 27s
2:	learn: 11.3975189	test: 11.4866071	best: 11.4866071 (2)	total: 79.8ms	remaining: 26.5s
3:	learn: 10.9474271	test: 11.0396669	best: 11.0396669 (3)	total: 110ms	remaining: 27.3s
4:	learn: 10.5469656	test: 10.6460654	best: 10.6460654 (4)	total: 128ms	remaining: 25.5s
5:	learn: 10.1740461	test: 10.2787179	best: 10.2787179 (5)	total: 156ms	remaining: 25.8s
6:	learn: 9.8246833	test: 9.9298849	best: 9.9298849 (6)	total: 186ms	remaining: 26.4s
7:	learn: 9.5137529	test: 9.6320949	best: 9.6320949 (7)	total: 213ms	remaining: 26.5s
8:	learn: 9.2175608	test: 9.3454949	best: 9.3454949 (8)	total: 238ms	remaining: 26.2s
9:	learn: 8.9321825	test: 9.0577010	best: 9.0577010 (9)	total: 265ms	remaining: 26.2s
10:	learn: 8.6641999	test: 8.7881857	best: 8.7881857 (10)	total: 284ms	remaining: 25.5s
11:	learn: 8.4047903	test: 8.5346047	best: 8.5346047 (11)	total: 298ms	remaining: 24.6s
12:	learn: 8.1690181	test: 8.3007432	best: 8.3007432 (12)	total: 313ms	remaining: 23.7s
13:	learn: 7.9709398	test: 8.0998568	best: 8.0998568 (13)	total: 326ms	remaining: 23s
14:	learn: 7.7656694	test: 7.9042973	best: 7.9042973 (14)	total: 340ms	remaining: 22.3s
15:	learn: 7.5714812	test: 7.7098683	best: 7.7098683 (15)	total: 359ms	remaining: 22.1s
16:	learn: 7.3934586	test: 7.5360187	best: 7.5360187 (16)	total: 373ms	remaining: 21.6s
17:	learn: 7.2310519	test: 7.3745546	best: 7.3745546 (17)	total: 385ms	remaining: 21s
18:	learn: 7.0932481	test: 7.2334501	best: 7.2334501 (18)	total: 398ms	remaining: 20.5s
19:	learn: 6.9468464	test: 7.0852047	best: 7.0852047 (19)	total: 410ms	remaining: 20.1s
20:	learn: 6.8266677	test: 6.9729044	best: 6.9729044 (20)	total: 427ms	remaining: 19.9s
21:	learn: 6.7181515	test: 6.8693055	best: 6.8693055 (21)	total: 444ms	remaining: 19.7s
22:	learn: 6.6008043	test: 6.7571134	best: 6.7571134 (22)	total: 464ms	remaining: 19.7s
23:	learn: 6.4919096	test: 6.6526403	best: 6.6526403 (23)	total: 477ms	remaining: 19.4s
24:	learn: 6.3943002	test: 6.5488508	best: 6.5488508 (24)	total: 490ms	remaining: 19.1s
25:	learn: 6.3002004	test: 6.4571583	best: 6.4571583 (25)	total: 504ms	remaining: 18.9s
26:	learn: 6.2178297	test: 6.3727215	best: 6.3727215 (26)	total: 517ms	remaining: 18.6s
27:	learn: 6.1493056	test: 6.3147416	best: 6.3147416 (27)	total: 531ms	remaining: 18.4s
28:	learn: 6.0682927	test: 6.2431857	best: 6.2431857 (28)	total: 544ms	remaining: 18.2s
29:	learn: 6.0047415	test: 6.1919496	best: 6.1919496 (29)	total: 557ms	remaining: 18s
30:	learn: 5.9470688	test: 6.1345007	best: 6.1345007 (30)	total: 572ms	remaining: 17.9s
31:	learn: 5.8946614	test: 6.0816838	best: 6.0816838 (31)	total: 585ms	remaining: 17.7s
32:	learn: 5.8331848	test: 6.0254298	best: 6.0254298 (32)	total: 597ms	remaining: 17.5s
33:	learn: 5.7791813	test: 5.9794444	best: 5.9794444 (33)	total: 610ms	remaining: 17.3s
34:	learn: 5.7283314	test: 5.9319552	best: 5.9319552 (34)	total: 622ms	remaining: 17.2s
35:	learn: 5.6812020	test: 5.8874732	best: 5.8874732 (35)	total: 638ms	remaining: 17.1s
36:	learn: 5.6306509	test: 5.8447423	best: 5.8447423 (36)	total: 653ms	remaining: 17s
37:	learn: 5.5921199	test: 5.8071978	best: 5.8071978 (37)	total: 665ms	remaining: 16.8s
38:	learn: 5.5496573	test: 5.7694970	best: 5.7694970 (38)	total: 677ms	remaining: 16.7s
39:	learn: 5.5116940	test: 5.7413788	best: 5.7413788 (39)	total: 691ms	remaining: 16.6s
40:	learn: 5.4811831	test: 5.7173898	best: 5.7173898 (40)	total: 704ms	remaining: 16.5s
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96:	learn: 4.7905719	test: 5.3583663	best: 5.3570959 (93)	total: 1.49s	remaining: 13.8s
Stopped by overfitting detector  (3 iterations wait)

bestTest = 5.357095874
bestIteration = 93

Shrink model to first 94 iterations.
In fold 5
Learning rate set to 0.054954
0:	learn: 12.3744299	test: 12.2375231	best: 12.2375231 (0)	total: 25.4ms	remaining: 25.4s
1:	learn: 11.9039785	test: 11.7769371	best: 11.7769371 (1)	total: 49.6ms	remaining: 24.8s
2:	learn: 11.4430160	test: 11.3028677	best: 11.3028677 (2)	total: 80.4ms	remaining: 26.7s
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78:	learn: 4.9966761	test: 4.9147333	best: 4.9147333 (78)	total: 1.2s	remaining: 14s
79:	learn: 4.9879464	test: 4.9122829	best: 4.9122829 (79)	total: 1.22s	remaining: 14s
80:	learn: 4.9800232	test: 4.9135287	best: 4.9122829 (79)	total: 1.23s	remaining: 13.9s
81:	learn: 4.9720679	test: 4.9113197	best: 4.9113197 (81)	total: 1.24s	remaining: 13.9s
82:	learn: 4.9649535	test: 4.9142638	best: 4.9113197 (81)	total: 1.26s	remaining: 13.9s
83:	learn: 4.9557855	test: 4.9142405	best: 4.9113197 (81)	total: 1.29s	remaining: 14s
84:	learn: 4.9485841	test: 4.9101749	best: 4.9101749 (84)	total: 1.3s	remaining: 14s
85:	learn: 4.9343853	test: 4.9054479	best: 4.9054479 (85)	total: 1.32s	remaining: 14s
86:	learn: 4.9246761	test: 4.9091273	best: 4.9054479 (85)	total: 1.33s	remaining: 14s
87:	learn: 4.9168204	test: 4.9076772	best: 4.9054479 (85)	total: 1.35s	remaining: 14s
88:	learn: 4.9085969	test: 4.9091282	best: 4.9054479 (85)	total: 1.36s	remaining: 14s
Stopped by overfitting detector  (3 iterations wait)

bestTest = 4.905447861
bestIteration = 85

Shrink model to first 86 iterations.
The cross validation MAE: 3.5282094215572797
grid = {'learning_rate': [0.01,0.03, 0.1],
        'depth': [4, 6, 15],
        'l2_leaf_reg': [1, 3, 5, 7, 9]}
randomized_search_result = catboost_reg.randomized_search(grid,
                                                   X=X,
                                                   y=y,
                                                   cv=5
                                                   )
print('Now cross validating')
print('-------------------------------')
catboost_scores = cross_val_score(catboost_reg, X, y, cv=5,scoring='neg_mean_absolute_error')
print("Mean absolute error : %0.2f (+/- %0.2f)" % (-catboost_scores.mean(), catboost_scores.std() * 2))
Streaming output truncated to the last 5000 lines.
6:	learn: 10.2536343	total: 97.2ms	remaining: 13.8s
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Mean absolute error : 3.21 (+/- 0.23)
#Lets try a LightGBM model
import lightgbm as lgbm
lgbm_reg=lgbm.LGBMRegressor(random_state=123)
kf = KFold(n_splits=5)
lgbm_scores=0.0
fold = 0
for train_index, test_index in kf.split(X):
  print('In fold',fold+1)
  X_train, X_test = X.iloc[train_index][:], X.iloc[test_index][:]
  y_train, y_test = y.iloc[train_index][:], y.iloc[test_index][:]
  lgbm_reg.fit(X_train,y_train,eval_set=(X_test,y_test),early_stopping_rounds=3,metric=)
  lgbm_scores=lgbm_scores+mean_absolute_error(y_test,lgbm_reg.predict(X_test))
  fold = fold + 1
print('The cross validation MAE:',lgbm_scores/5)
test=pd.read_csv('/content/drive/My Drive/Zindi_Hack/Test_maskedv2.csv')
print('The dimension of test data:',test.shape)
The dimension of test data: (1102, 49)
test.head()
ward total_households total_individuals dw_00 dw_01 dw_02 dw_03 dw_04 dw_05 dw_06 dw_07 dw_08 dw_09 dw_10 dw_11 dw_12 dw_13 psa_00 psa_01 psa_02 psa_03 psa_04 stv_00 stv_01 car_00 car_01 lln_00 lln_01 lan_00 lan_01 lan_02 lan_03 lan_04 lan_05 lan_06 lan_07 lan_08 lan_09 lan_10 lan_11 lan_12 lan_13 lan_14 pg_00 pg_01 pg_02 pg_03 pg_04 lgt_00
0 00A93O0 2514.04172 8037.06199 0.671962 0.061074 0.101516 0.006891 0.021287 0.015615 0.035974 0.010995 0.030665 0.000563 0.004513 0.038943 0 0 0.327785 0.400204 0.000142 0.090634 0.181234 0.082473 0.917527 0.170320 0.829680 0.028193 0.971807 0.006861 0.025960 0.001401 0.864523 0.010393 0.001966 0.004094 0.000991 0.007919 0.000136 0.000146 0.000420 0.011485 0 0.063705 0.979272 0.009926 0.003224 0.002697 0.004882 0.521007
1 01V40KO 1829.71944 7494.86917 0.542857 0.390850 0.039623 0.000000 0.000000 0.000000 0.002633 0.005074 0.010439 0.000000 0.000544 0.007980 0 0 0.396451 0.448673 0.002026 0.015543 0.137307 0.028539 0.971461 0.087096 0.912904 0.014139 0.985861 0.003348 0.008866 0.001654 0.968007 0.005108 0.002472 0.001524 0.001974 0.006575 0.000152 0.000160 0.000000 0.000160 0 0.000000 0.998938 0.000296 0.000301 0.000305 0.000160 0.693716
2 01ZHVW0 1721.99009 5847.43254 0.968071 0.003525 0.001431 0.000000 0.000000 0.000000 0.018546 0.004769 0.000825 0.000000 0.000000 0.002832 0 0 0.315332 0.550687 0.000000 0.009654 0.124326 0.108260 0.891740 0.115144 0.884856 0.047064 0.952936 0.037169 0.019334 0.001471 0.918999 0.003145 0.001087 0.001963 0.001543 0.005908 0.000000 0.002075 0.000631 0.006504 0 0.000171 0.955895 0.012170 0.000000 0.030012 0.001923 0.933954
3 028YQJX 12388.02257 52211.66859 0.397274 0.004734 0.001068 0.000279 0.000799 0.197760 0.005227 0.065487 0.316633 0.003892 0.000279 0.006569 0 0 0.242343 0.568208 0.001050 0.066225 0.122174 0.146214 0.853786 0.223657 0.776343 0.174330 0.825670 0.485175 0.240164 0.002869 0.242053 0.003676 0.000726 0.008142 0.003545 0.003591 0.000629 0.000505 0.000593 0.008330 0 0.000000 0.293629 0.694779 0.003238 0.000628 0.007726 0.921470
4 02G8W11 1754.25716 4266.57609 0.815197 0.016697 0.078571 0.008975 0.047882 0.015398 0.007264 0.000000 0.000712 0.007003 0.000877 0.001425 0 0 0.110625 0.663775 0.000000 0.024673 0.200927 0.723028 0.276972 0.930886 0.069114 0.808671 0.191329 0.457734 0.334764 0.000843 0.005681 0.001384 0.000000 0.002514 0.000829 0.000284 0.000290 0.000000 0.000234 0.016846 0 0.178598 0.110861 0.054114 0.006062 0.823495 0.005470 0.996227
test['new']=xgb_reg.predict(test[train_cols])
test.shape
(1102, 50)
sample=pd.read_csv('/content/drive/My Drive/Zindi_Hack/samplesubmissionv2.csv')
sample.head()
ward target_pct_vunerable
0 00A93O0 NaN
1 01V40KO NaN
2 01ZHVW0 NaN
3 028YQJX NaN
4 02G8W11 NaN
sample['target_pct_vunerable']=(catboost_reg.predict(test[train_cols+['new']]))
sample.shape
(1102, 2)
sample.head()
ward target_pct_vunerable
0 00A93O0 17.669271
1 01V40KO 35.082365
2 01ZHVW0 1.799878
3 028YQJX 2.715354
4 02G8W11 0.772809
sample.to_csv('/content/drive/My Drive/Zindi_Hack/submission_stack.csv',index=False)