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Results tagged with anova
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user 268026
ANOVA stands for ANalysis Of VAriance, a statistical model and set of procedures for comparing multiple group means. The independent variables in an ANOVA model are categorical, but an ANOVA table can be used to test continuous variables as well.
0
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1
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Should a nested random effect be included if it has only one level for ONLY ONE fixed effect...
There is significant variance in nested that I feel should be included in the ANOVA model, but because a single level of group has only a single corresponding nested level, this seems technically inappropriate … Moreover, when I run a mixed model anova while including nested (either with lme4 in R or proc MIXED in SAS), there is always some message about "Convergence criteria met but final hessian is not positive …
- 229
7
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Is there ever a statistical reason NOT to use Satterthwaite's method to account for unequal ...
related questions:
1) From what I've read, using Satterthwaite degrees of freedom does not assume equal variances, which allows it to be used on datasets that would be inappropriate for, say, a vanilla ANOVA …
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1
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Validity of setting Singular=1 in proc GLM Contrast statement (SAS)
I am running a proc GLM in SAS with specific contrasts, one of which is included in the code below. With the following code, all my contrasts are always unestimable:
proc GLM data=my_data;
Class …
- 229
2
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1
answer
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Can AIC/BIC be used to compare models that differ by transformation of response variable? [duplicate]
I fit two models: one with a log-transformed response variable, and one without. All else is the same between them. Can I use AIC (or BIC or other, similar criteria) to choose which approach best fits …
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