Paul Roebuck <[EMAIL PROTECTED]> writes:
> Is there a canonical means to apply a function
> over multiple arrays simultaneously? For example,
> if I wanted to plot each line with a different color?
> Or is a for loop conversion my best option?
Try looking at matplot() and friends...
>
> x <- seq(0, 8, by = 2)
> y <- matrix(1:15, nrow = 5, byrow = TRUE)
> my.colors <- heat.colors(3)
>
> drawLines <- function(row) {
> lines(x, row) # want corresponding 'my.colors' here
> }
>
> plotData <- function(x, y) {
> plot(x, type='n', axes = FALSE,
> xlim = c(min(x), max(x)),
> ylim = c(0, max(y)));
> box();
> axis(1, min(x):max(x))
> axis(2, seq(0, max(y), by = 5))
> axis(3, labels = FALSE)
> axis(4, labels = FALSE)
> apply(y, 1, drawLines)
> }
>
> plotData(x, t(y))
>
> ----------------------------------------------------------
> SIGSIG -- signature too long (core dumped)
>
> ______________________________________________
> [EMAIL PROTECTED] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
>
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907
______________________________________________
[EMAIL PROTECTED] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
