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2009 Mar 20
1
Howto Supress Extra Blank Page in gridBase
Dear all, I have a simple plot using "gridBase" like this. The problem occurs whenever I execute this code there is always a blank page created before the actual plot. How can we disable that blank page? I am using: R version 2.7.2 (2008-08-25) and gridBase version: 0.4-3 __ BEGIN__ library(grid) library(gridBase) opar <- par(no.readonly=TRUE) par(opar) grid.newpage() pushViewport(viewport(width=0.5, height=0.5)) grid.rect(gp=gpar(col="grey", lty="dashed")) par(omi=gridOMI()) par(mfrow=c(2, 2), mfg=c(1, 1), mar=c(3, 3, 1, 0)) for (i in 1:4) { plot(1:10)...
2008 Jun 12
1
Data.matrix fail to convert data.frame into matrix
Hi, With the following codes, I attempt to convert the data.frame into a matrix. However I notice that data.matrix function doesn't seem to work. __ BEGIN__ dat <- read.table("mydata", comment.char = "!" , na.strings = "null"); # Select n-genes by random sample # n = 1 nosamp <- 1 geneid <- sequence(nrow(dat)) geneid.samp <- sample(geneid,nosamp) geneid.samp gexp<- dat[geneid.samp,] gexp.arr <- data.matr...