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Feature Selection Techniques

import pandas as pd
df=pd.read_csv('mobile_dataset.csv')
df.head()

Univariate Selection

Higher the value of score ---> more important the feature is

#all variables should be in numberic type
#if categorical occurs then first do one-hot encoding on it then apply this
X=df.iloc[:,:-1]
y=df['price_range']
X.head()