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Hi I?ve just spend a bit of time debugging an error arising in `loadNamespace`. The bottom line is that the `vI` object is assigned within an `if` block but expected to exist for all of the remaining code. In some cases where the package library has been corrupted or when it resides on a network drive with bad connection this can lead to error messages complaining about `vI` object not existing.

>>>>> Thomas Lin Pedersen <thomasp85 at gmail.com> >>>>> on Mon, 22 Jan 2018 14:32:27 +0100 writes: > Hi I?ve just spend a bit of time debugging an error > arising in `loadNamespace`. The bottom line is that the > `vI` object is assigned within an `if` block but expected > to exist fo...

Hi all; I need to put 12 different plot2 into the same matrix. So my array for the matrix will be par(mfrow=c(3,4)). I am running ggplot2 to produce my 12 plots. For some reason, par(mfrow=c(3,4)) did not turn out 3*4 matrix. my basic R codes for each plot is par(mfrow=c(3,4)) library(ggplot2) p <- ggplot(a, aes(x=Genotypes, y=Plant_hight, size=Plant_hight, color=Showing_rate)) + . . Best