Thanks Uwe and Baptiste
*Sebastien Bihorel, PharmD, PhD*
PKPD Scientist
Cognigen Corp
Email: sebastien.biho...@cognigencorp.com
<mailto:sebastien.biho...@cognigencorp.com>
Phone: (716) 633-3463 ext. 323
Uwe Ligges wrote:
Sebastien Bihorel wrote:
Dear R-users,
I would like to know if is it possible to set a function argument as
an evaluated expression. I have tried several syntaxes, including the
following example, but could not get it anything to run. The plot
function is used here but I would like to later apply the same
approach to other functions.
##########################
items <- c(expression(col=2),expression(pch=2))
for (in in seq(2)) {
plot(1:10, eval(items[i]))
}
##########################
Way 1:
for(i in seq(2))
do.call("plot", c(list(1:10), as.list(items[i])))
Way 2 is perhaps easier for you:
items <- list(col=2, pch=2)
for (i in seq(2))
do.call("plot", c(list(1:10), items[i]))
Ways 3...n up to others...
Uwe Ligges
Thanks in advance for your input.
Sebastien
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