update print function

Author: morvan

numpy&pandas/11_pandas_intro.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import pandas as pd
 import numpy as np
 

numpy&pandas/12_selection.py

@@ -5,6 +5,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import pandas as pd
 import numpy as np
 

numpy&pandas/13_set_value.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import pandas as pd
 import numpy as np
 

numpy&pandas/14_nan.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import pandas as pd
 import numpy as np
 

numpy&pandas/15_read_to/15_read_to.py

@@ -5,6 +5,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import pandas as pd
 
 # read from

numpy&pandas/16_concat.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import pandas as pd
 import numpy as np
 

numpy&pandas/17_merge.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import pandas as pd
 
 # merging two df by key/keys. (may be used in database)

numpy&pandas/18_plot.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import pandas as pd
 import numpy as np
 import matplotlib.pyplot as plt

real world examples/bank_marketing_learning/bank_marketing_sk.py

@@ -59,37 +59,47 @@ def feature_utility(data, selected_feature_name, target_name):
     plt.legend([bar[0] for bar in bars], target_classes, loc='best')
     plt.show()
 
+def encode_label(data):
+    la_en = preprocessing.LabelEncoder()
+    for col in ['job', 'marital', 'education', 'default', 'housing', 'loan',
+                'contact', 'month', 'poutcome', 'y']:
+        data[col] = bank_data[col].astype('category')
+        data[col] = la_en.fit_transform(bank_data[col])
+    return data
+
 dataset_path = ['bank.csv', 'bank-full.csv']
 bank_data = pd.read_csv(dataset_path[1], sep=';')
+print(bank_data.head())
 
 # good categorical features: job, marital, education, housing, loan, contact, month, poutcome
 # bad categorical features: default
 # feature_utility(bank_data, 'housing', 'y')
 
-le_en = preprocessing.LabelEncoder()
-for col in ['job', 'marital', 'education', 'default', 'housing', 'loan',
-            'contact', 'month', 'poutcome', 'y']:
-    bank_data[col] = bank_data[col].astype('category')
-    bank_data[col] = le_en.fit_transform(bank_data[col])
+bank_data = encode_label(bank_data)
 # print(bank_data.dtypes)
 # print(bank_data.head())
 
 X_data, y_data = bank_data.iloc[:, :-1], bank_data.iloc[:, -1]
+# show the percentage of answer yes and no.
+answer_no, answer_yes = y_data.value_counts()
+print('Percentage of answering no: ', answer_no/(answer_no+answer_yes))
+
 X_train, X_test, y_train, y_test = train_test_split(
     X_data, y_data,
     test_size=0.2)
 
-dt_clf = DecisionTreeClassifier()
-rf_clf = RandomForestClassifier()
+dt_clf = DecisionTreeClassifier(class_weight='balanced',)
+rf_clf = RandomForestClassifier(class_weight='balanced')
+# randomize the data, and run the cross validation for 5 times
 cv = ShuffleSplit(X_data.shape[0], n_iter=5,
-        test_size=0.2, random_state=0)
-print(cross_val_score(dt_clf, X_data, y_data, cv=cv, scoring='accuracy').mean())
-print(cross_val_score(rf_clf, X_data, y_data, cv=cv, scoring='accuracy').mean())
-
-dt_clf.fit(X_train, y_train)
-print(dt_clf.score(X_test, y_test))
-rf_clf.fit(X_train, y_train)
-print(rf_clf.score(X_test, y_test))
+        test_size=0.3, random_state=0)
+print(cross_val_score(dt_clf, X_data, y_data, cv=cv, scoring='f1').mean())
+print(cross_val_score(rf_clf, X_data, y_data, cv=cv, scoring='f1').mean())
+
+# dt_clf.fit(X_train, y_train)
+# print(dt_clf.score(X_test, y_test))
+# rf_clf.fit(X_train, y_train)
+# print(rf_clf.score(X_test, y_test))
 
 # print(rf_clf.predict(X_test.iloc[10, :][np.newaxis, :]))
 # print(y_test.iloc[10])

sklearnTUT/sk10_cross_validation3.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 from sklearn.learning_curve import  validation_curve
 from sklearn.datasets import load_digits
 from sklearn.svm import SVC

sklearnTUT/sk11_save.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 from sklearn import svm
 from sklearn import datasets
 

sklearnTUT/sk4_learning_pattern.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 from sklearn import datasets
 from sklearn.cross_validation import train_test_split
 from sklearn.neighbors import KNeighborsClassifier

sklearnTUT/sk5_datasets.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 from sklearn import datasets
 from sklearn.linear_model import LinearRegression
 import matplotlib.pyplot as plt

sklearnTUT/sk6_model_attribute_method.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 from sklearn import datasets
 from sklearn.linear_model import LinearRegression
 

sklearnTUT/sk7_normalization.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 from sklearn import preprocessing
 import numpy as np
 from sklearn.cross_validation import train_test_split

sklearnTUT/sk8_cross_validation/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 from sklearn.datasets import load_iris
 from sklearn.cross_validation import train_test_split
 from sklearn.neighbors import KNeighborsClassifier

sklearnTUT/sk8_cross_validation/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 from sklearn.datasets import load_iris
 from sklearn.cross_validation import train_test_split
 from sklearn.neighbors import KNeighborsClassifier

sklearnTUT/sk9_cross_validation2.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 from sklearn.learning_curve import  learning_curve
 from sklearn.datasets import load_digits
 from sklearn.svm import SVC

tensorflowTUT/tensorflow10_def_add_layer.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 
 

tensorflowTUT/tensorflow11_build_network.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 

tensorflowTUT/tensorflow12_plut_result.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 import matplotlib.pyplot as plt

tensorflowTUT/tensorflow6_session.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 
 matrix1 = tf.constant([[3, 3]])

tensorflowTUT/tensorflow7_variable.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 
 state = tf.Variable(0, name='counter')

tensorflowTUT/tensorflow8_feeds.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 
 input1 = tf.placeholder(tf.float32)

tensorflowTUT/tf11_build_network/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 

tensorflowTUT/tf11_build_network/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 import matplotlib.pyplot as plt

tensorflowTUT/tf12_plot_result/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 import matplotlib.pyplot as plt

tensorflowTUT/tf12_plot_result/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 import matplotlib.pyplot as plt

tensorflowTUT/tf14_tensorboard/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 
 

tensorflowTUT/tf14_tensorboard/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 
 

tensorflowTUT/tf15_tensorboard/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 

tensorflowTUT/tf15_tensorboard/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 

tensorflowTUT/tf16_classification/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 
 

tensorflowTUT/tf16_classification/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 from tensorflow.examples.tutorials.mnist import input_data
 # number 1 to 10 data

tensorflowTUT/tf17_dropout/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 from sklearn.datasets import load_digits
 from sklearn.cross_validation import train_test_split

tensorflowTUT/tf17_dropout/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 from sklearn.datasets import load_digits
 from sklearn.cross_validation import train_test_split

tensorflowTUT/tf18_CNN2/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 from tensorflow.examples.tutorials.mnist import input_data
 # number 1 to 10 data

tensorflowTUT/tf18_CNN2/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 from tensorflow.examples.tutorials.mnist import input_data
 # number 1 to 10 data

tensorflowTUT/tf18_CNN3/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 from tensorflow.examples.tutorials.mnist import input_data
 # number 1 to 10 data

tensorflowTUT/tf18_CNN3/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 from tensorflow.examples.tutorials.mnist import input_data
 # number 1 to 10 data

tensorflowTUT/tf19_saver.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 

tensorflowTUT/tf5_example2/for_you_to_practice.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np
 

tensorflowTUT/tf5_example2/full_code.py

@@ -6,6 +6,7 @@
 """
 Please note, this code is only for python 3+. If you are using python 2+, please modify the code accordingly.
 """
+from __future__ import print_function
 import tensorflow as tf
 import numpy as np