Hi everyone, I’m a scientist on a crusade. My crusade is to bring a really good ANOVA system to julia, probably by merging https://github.com/JuliaStats/GLM.jl/pull/70 . I want to do this because Julia is awesome and I depend on it almost exclusively from everything from signal processing to basic …

I think ANOVA is useful not only as a test, but a a way of summarizing the fitted model. If you did something like this, it would be very useful.

I recently had ANOVA implemented based on Distribution using Student and Fisher Testing to create a multiple regression. I’m still to write the Readme.md but the code can be found there if you want to use it :wink: https://github.com/QuelqunQui/TIFFtoRegression.jl The ANOVA part is in the StatRegs …

Great, keep the results coming in. @QuelqunQui : Thanks for alerting me to your ANOVA implementation. I may well be checking it out while things work out over at at GLM.jl

@LewisHein glad it might help you :slight_smile:

I would respectfully request anyone wanting to implement ANOVA to first read Bill Venables’ (of Venables and Ripley, Modern Applied Statistics with S fame) famous unpublished paper Exegeses on Linear Models . I am probably too hard-line about always defining anova as a comparison of the fits of two …

@dmbates I already skimmed it, and read your comments on https://github.com/JuliaStats/GLM.jl/pull/65 . Then I went to Wikipedia and read up on the F-test, and went back to the derivation of ANOVA to see how it is a special case of this test. After revising my world view on ANOVAs, I’m not bringing …

@dmbates Can you give me an example of a p-value from an ANOVA table that doesn’t make sense? I think I have an idea, but I want to check my understanding. Thanks

[image] ararslan: See also ANOVA Tests in Julia? Thank you for mentioning this. Back at the time of that thread, I looked at the two pull requests and tried to figure out how to implement a basic ANOVA table a la R’s anova, with the intent of implementing aov next. I started off pull requests…

[image] Douglas Bates: I would respectfully request anyone wanting to implement ANOVA to first read Bill Venables’ (of Venables and Ripley, Modern Applied Statistics with S fame) famous unpublished paper Exegeses on Linear Models Prof. Bates, thank you for citing this very valuable resource!

Poll: Do we Julians want ANOVAs?

Specific Domains Statistics

ararslan May 17, 2017, 8:51pm 6

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Poll: Do we Julians want ANOVAs?

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