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Tried to do a plot just now and got an error: Error in text.default(2, 6, main, cex = cex) : X11 font -adobe-helvetica-%s-%s-*-*-%d-*-*-*-*-*-*-*, face 1 at size 16 could not be loaded This is reproducible (in my current environment) via: par(mfrow=c(2,2)) plot(1:10) text(2,6,"Oh, hell!",cex=2) This is of course not the real context in which the error originally manifested

Dear R People: I ran an ARIMA(1,0,1) on a particular series in R and got a negative MA(1) estimate. Then I ran an ARIMA(1,0,1) on the same series in Minitab and got a positive MA(1) estimate. The values are about -0.69 and 0.70. Does R show the opposite value, please? Thanks, Erin -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston -

Hi all, I have a data.frame like following A<-c('d0','d0','d1','d1','d2','d2') B<-rep(c('control','sample'),3) C<-c(rep(100000,2),200,300,400,500) dataframe<-data.frame(A,B,C) I want to reshape the matrix, so the matrix with 'd0', 'd1' and 'd2' in rows and 'control' and 'sample'

I am having difficulty installing packages. For example, here I have tried to install "gplots" but to no avail. I have tried multiple mirrors and different packages (errbar) but after installation I seem to be unable to access any of the commands or help pages. I am a little concerned about the 'lib' missing message but this has been present for previous successful package