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Error when attempting a factorial ANOVA
Posted: Mon Feb 19, 2024 1:23 am
by amyd
I'm attempting to do a factorial ANOVA and I keep getting a note that says "singular fit encountered; one or more predictor variables are a linear combination of other predictor variables" and my analysis doesn't work. Does anyone know what this means/ how to fix this? Thanks in advance!
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Re: Error when attempting a factorial ANOVA
Posted: Mon Feb 19, 2024 5:10 am
by reason180
Maybe you don't actually have a complete factorial design. In a similar example, below, there's a 1,1 and a 2,2 condition, but no 1,2 and no 2,1 condition. Therefore, no ANOVA results.
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Re: Error when attempting a factorial ANOVA
Posted: Mon Feb 19, 2024 6:07 pm
by amyd
That was it! Thank you so much!!