Re: [R] A question on Statistics regarding regression

2024-08-24 Thread Ben Bolker
  This is probably better for Cross Validated [https://stats.stackexchange.com]. Surprisingly, I can't quickly find an answered question on this topic. My "tl;dr" answer would be: "inflated" relative to what? Having an unbalanced sample certainly decreases the *power* of an analysis, but there'

Re: [R] A question on Statistics regarding regression

2024-08-24 Thread Jeff Newmiller via R-help
you say you asked elsewhere, but so many hits come up when I just search for "unbalanced sample size" your justification for not following the posting guide does not seem honest. I also recall that various discussions of statistical power address this in basic statistics. On August 24, 2024 1

[R] A question on Statistics regarding regression

2024-08-24 Thread Christofer Bogaso
Hi, I have asked this question elsewhere however failed to get any response, so hoping to get some insight from experts and statisticians here. Let say we are fitting a regression equation where one explanatory variable is categorical with 2 categories. However in the sample, one category has 95%

Re: [R] paired raster boxplots

2024-08-24 Thread Ivan Krylov via R-help
В Sat, 24 Aug 2024 10:24:36 +0200 пишет: > Yes indeed my raster "s" (the shape file for the boxplot classes) has > several layers. If 's' contains more than one layer, then this already prevents you from giving two names to stack(r, s). > That's way I tried to select a layer by " > s<-sf$Unterr

Re: [R] paired raster boxplots

2024-08-24 Thread SIBYLLE STÖCKLI via R-help
Dear Ivan Dear community Quite nice book recommendation. Yes indeed my raster "s" (the shape file for the boxplot classes) has several layers. That's way I tried to select a layer by " s<-sf$Unterregio". > sf <- read_sf("C:/Users/._BiogeoRegion.shp") > names(sf) > names(sf) [1] "RegionNumm