Using filter

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Doethwr
Posts: 14
Joined: Sat Aug 20, 2022 12:51 pm

Using filter

Post by Doethwr »

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?
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MAgojam
Posts: 421
Joined: Thu Jun 08, 2017 2:33 pm
Location: Parma (Italy)

Re: Using filter

Post by MAgojam »

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
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