data science feature selection technique
Feature Selection Techniques
using sklearn library
module and library used-->
1.)
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
%matplotlib inline
import seaborn as sns
2.)for Univariate Selection
from sklearn.feature_selection import SelectKBest
from sklearn.feature_selection import chi2
3.)for Feature Importance
from sklearn.ensemble import ExtraTreesClassifier
4.)for correlation heatmap
import seaborn as sns