Machine learning questions. 4 questions. look at attached  1. Please construct a new dataset by either adding two independent variables or removing two

Machine learning questions. 4 questions. look at attached  1. Please construct a new dataset by either adding two independent variables or removing two independent variables from finalsample.dta dataset. If you choose to add two independent variables, you could add any two independent variables that you think help explain stock returns. If you choose to remove two independent variables, you could remove any two independent […]