| n2mfrow {grDevices} | R Documentation |
Easy setup for plotting multiple figures (in a rectangular layout) on
one page. This computes a sensible default for
par(mfrow).
n2mfrow(nr.plots)
nr.plots |
integer; the number of plot figures you'll want to draw. |
A length two integer vector nr, nc giving the number of rows
and columns, fulfilling nr >= nc >= 1 and nr * nc >= nr.plots.
Martin Maechler
require(graphics)
n2mfrow(8) # 3 x 3
n <- 5 ; x <- seq(-2, 2, len = 51)
## suppose now that 'n' is not known {inside function}
op <- par(mfrow = n2mfrow(n))
for (j in 1:n)
plot(x, x^j, main = substitute(x^ exp, list(exp = j)), type = "l",
col = "blue")
sapply(1:10, n2mfrow)