General question regarding patternize scope

[Humminglipe]

Hello again Steven,

Wanted to know, I'm performing a pattern-based analysis on Hummingbirds' gorgets. I want to see if there's variation on the gorget pattern across populations located at different geographic areas. Is there a way to include populations (as a categoric variable maybe) in the PCA analysis to check for any association between color and geography?

Thanks! All my best

[StevenVB12]

Hi Filipe,

First thing that come to mind are

MANOVA (which you can perform on the pixel matrices): https://www.reneshbedre.com/blog/manova.html

Mantel test to correlate patterns with (autocorrelated) spatial distances: https://www.rdocumentation.org/packages/ape/versions/5.6-2/topics/mantel.test

Hope this helps.

Best,

Steven

From: Felipe Díaz-Salazar @.> Sent: Monday, 23 January 2023 19:32 To: StevenVB12/patternize @.> Cc: Subscribed @.***> Subject: [StevenVB12/patternize] General question regarding patternize scope (Issue #37)

Hello again Steven,

Wanted to know, I'm performing a pattern-based analysis on Hummingbirds' gorgets. I want to see if there's variation on the gorget pattern across populations located at different geographic areas. Is there a way to include populations (as a categoric variable maybe) in the PCA analysis to check for any association between color and geography?

Thanks! All my best

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[Humminglipe]

Thanks Steven! I think that should work