Information value

Hi

I want to find the information value for my overall data.

I have data like this.my data set name is data

Id      smoke    drink   nothing
1         yes        no          no
2         no          yes        yes
3          yes        yes        no
.           .               .           .
Etc

I have tried this code
Iv.mult(data)

Error:There is no function called iv.mult

Please help me to find out the information value for the oveall data.

Please give me the simple functions to calculate information value

Thanks in advance