I used a filter to extract only two values of a variable:
Gender = 'female' or Gender ='male'
When I try to run a t-test, I get the message:
"Grouping variable 'Gender' must have only two values"
What am I doing wrong?
Using filter
Re: Using filter
Hey @Doethwr,
It does not work like this:
Gender = 'female' or Gender = 'male'
a possible filter could be this:
Gender == 'female' or Gender == 'male'
Cheers,
Maurizio
It does not work like this:
Gender = 'female' or Gender = 'male'
a possible filter could be this:
Gender == 'female' or Gender == 'male'
Cheers,
Maurizio