Error when attempting a factorial ANOVA

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amyd
Posts: 2
Joined: Mon Feb 19, 2024 12:43 am

Error when attempting a factorial ANOVA

Post 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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reason180
Posts: 278
Joined: Mon Jul 24, 2017 4:56 pm

Re: Error when attempting a factorial ANOVA

Post 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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amyd
Posts: 2
Joined: Mon Feb 19, 2024 12:43 am

Re: Error when attempting a factorial ANOVA

Post by amyd »

That was it! Thank you so much!!
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