Gavin Simpson wrote on 4/29/2005 5:00 AM:
Dear List,
Consider the following example:
dat <- data.frame(var1 = rnorm(100), var2 = rnorm(100), var3 = rnorm(100), var4 = rnorm(100)) oldpar <- par(mfrow = c(2,2), no.readonly = TRUE) invisible(lapply(dat, function(x) { plot(density(x), main = deparse(substitute(x))) } ) ) par(oldpar)
I want to the main title in each of the density plots to be var1, var2, etc. The above code produces x[[1]], x[[2]] etc.
What do I need to modify to be able to use the name of x as the plot label within in the above situation?
Thanks in advance,
Gav
Gav,
I think a `for' loop would be more useful here (not to mention, more readable):
dat <- data.frame(var1 = rnorm(100), var2 = rnorm(100),
var3 = rnorm(100), var4 = rnorm(100))
oldpar <- par(mfrow = c(2,2), no.readonly = TRUE)
for(v in names(dat))
plot(density(dat[[v]]), main = v)
par(oldpar)HTH,
--sundar
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