Machine Learning with Python

# Naive Bayes

# Importing the libraries
import numpy as np
import matplotlib.pyplot as plt
import pandas as pd

#importing the dataset
dataset=pd.read_csv('clusterincluster.csv');
columns=dataset.iloc[:, [0,1]].values; # here first colon means selecting all rows then after comma means selecting feature/column so manually we can enter 0 and 1 and we can also put -1 to select all rows except the last one as we are making the last one as class #independent variables
label=dataset.iloc[:, [2]].values; # dependent variables index in python starts from 0


#splitting the dataset into the traiing set and test set
from sklearn.cross_validation import train_test_split
columns_train, columns_test, label_train, label_test=train_test_split(columns,label, test_size=0.2, random_state=0) #if 10 observations/sample then 0.2 means two observations in a test set and 8 observations in test set






 

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Author: zakilive

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