I gotta make some statistics considering both gender and age.

I gotta make some statistics considering both gender and age and I am thinking about a cycle but I don't know exactly how to make it work.Can Anybody please help me?

I have a lot of datas that is why I am trying to improve the cycle.

[Rik]

Have a read here and here. It will greatly improve your chances of getting an answer.

Answer 1

[Image Analyst]

Try functions like grpstats(), groupsummary(), and splitapply().

[Amina Ben Abbou]

thank you,I'll try