[R] ERROR: compilation failed for package 'rgl'

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[R] Warning: X11 protocol error: BadWindow (invalid Window parameter)

Hi all, I've got this using Rcmdr package only. R-cmdr> scatterplot.matrix(~PC1+PC2+PC3+PC4 | Species, reg.line=FALSE, smooth=FALSE, span=0.5, diagonal= 'density', by.groups=TRUE, data=iris) Warning: X11 protocol error: BadWindow (invalid Window parameter) Warning: X11 protocol error: BadWindow (

[R] shipro.test

Hi, I am newby to R. I run this test (shapiro.test(rt(2000,30))) (R : Copyright 2001, The R Development Core Team Version 1.3.1 (2001-08-31)) for several times and results were different. Why do the shapiro.test produce different outputs? Thanks, -- Dr. Janos Korponai West-Transdanubian Distri