[R] par(mfrow)

Hi, I have some problems using the par function: I want to split the screen into 2 rows and 4 col and I type " par(mfrow=c(2, 4)) " but when I do that, instead of setting a graphical parameter, it creates a white Quarz. I'm currently using the R base version for Mac Os, 3.0.3 . Could you give me

[R] Error message

Hello, I'm an italian student, I've got some problems using R: After calculating a dbinom() function, my "help.start()" started not to work. If I type on the console "Help.start", it says me "starting httpd help server ...Errore in stats::runif(10) : .Random.seed is not an integer vector but o