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Here is some data to play with set.seed(1e4) color = factor(c(rep("blue",20), rep("red",20), rep("yellow",150)), levels=c("red","blue","yellow")) x1 = rnorm(20+20+150,12,3) x2 = c(rnorm(20,5), rnorm(20,5), rnorm(150,7)) x3 = c(rnorm(20,7), rnorm(20,5)...

Hello, I was reading this paper about pollen dispersal directionality and I am trying to make sense of the so-called directionality parameter \delta The Statistical Model On pages 4 and 5 they explain their analysis under the section `statistical procedure`. More specifically, in the first...

Hello, This post has been cross-posted here. I fail to delete the current post to leave only the other post open. Feel free to delete this post if you can do that. Note: The following greek letters and equations are written in LaTex. I was reading this paper about pollen dispersal...