Description Usage Arguments Details Value Examples
For a given number of plots to be displayed in a panel, this function suggests inputs for the par(mfrow)
graphic option.
1 |
n |
number of plots to be displayed |
horiz |
should horizontal growth be favored instead of vertical (default) |
This simple function is designed to generate the "squarest" layout grid given the number of plots to be displayed in the same panel.
If n
has an integer square root, the dimensions are simply sqrt(n) x sqrt(n)
. Otherwise, the function starts from the next smaller square grid and adds progressively more rows.
disp returns a vector of length two that indicates the number of rows and columns to be passed to par(mfrow)
.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | # Example with a random number of plots
n <- sample(2:16, 1)
par(mfrow = disp(n), mar = c(2,2,2,2))
for(i in 1:n){
plot(rnorm(100),rnorm(100))
}
par(mfrow = c(1,1), mar = c(5,4,4,2) + .1)
# Display grid for up to 20 plots
par(mfrow = disp(20), mar = c(2,2,2,2))
for(i in 1:20){
mat <- matrix(NA,nrow = disp(i)[1], ncol = disp(i)[2])
image(mat, axes = FALSE, main = i)
grid(nx = disp(i)[1], ny = disp(i)[2], col = 1)
box()
}
par(mfrow = c(1,1), mar = c(5,4,4,2) + .1)
|
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