In this I have performed univariate feature selection using chi-square test from a dataset of smartphone sales with there specfication. After chi square test extracted the importance of a particular feature with respect to other using random forest classifier and found the following result.
Results showing that following are the top three features responsible for high sale of a smartphone-
- Ram
- Battery
- Screen resolution(pixel height and width)
After with the help of this correlated data I genrated correlation matrix and after plotting it in heatmap following visualisation achieved