[R] How to control distance between rows of figures in multiple plots

[Gundala Viswanath]

Dear all,

I have a plot with 2 x 2 figures matrix in it.

pdf("~/Desktop/myplot.pdf",width=13,height=7)
par(mfrow=c(2,2))
# follow by some code

Now the distance between figures of row 1 and row 2
is too wide. How can I modify?

- Gundala Viswanath
Jakarta - Indonesia