Please Help! Don't know which model to use

#1
Hello,

I'm not sure which model to use, I'm guessing it is some type of regression. If you could help, I'd greatly appreciate it!

The problem statement is: When a customer buys X, what's the likelihood they will buy Y?


Here's the kicker- We have hundreds of products for sale therefore there are a lot of potential independent & dependent variables.

What type of analysis would you recommend using?


Thanks!
 

vinux

Dark Knight
#2
You could try many model here.
First you can create summary data like this
\( \begin{tabular}{c|cc}
& buys Y& Not buys Y \\ \hline
buys X & & \\
Not buys X & &
\end{tabular}
\)


Or you could build a Logistic regression on the sales data where the customer buys X(Sale of Y will be your response)
 
#3
HI!
I would like to know what are the differences between enter and stepwise method? which one is better? can you recommend me some links to check it, please?