Machine_learning-_tutorial-1

This topic is realted to one hot encoding and dummy variables how to create dummy variables of categorical variables . In real world data set we have some CATEGORICAL VARIABLES :SEX ,day,smoker etc. we have to convert these variables into numerical form . target variables:total_bill categorical varaibles-->sex,smoker,day,time pd.get_dummies(data) -->create a different columns of each categorical varibles we have 2 classes :then it will create 2 dummy_variables.