Thank you, character indexing (?"[") is what I was looking for:
sapply(paste('var', 1:100, sep=''), function(x)
weighted.mean(data[[x]], data$weight))
Daniel
On Mon, Aug 27, 2012 at 6:26 PM, Bert Gunter wrote:
> Have you read "An Introduction to R". If not, please do so before
> osting and pay
On Aug 27, 2012, at 7:11 AM, Daniel Caro wrote:
Hello,
This is a beginner question.
You should read the Posting Guide. (As well as following Bert's
suggestion to work through "Intro to R".
I am trying to loop through numbered
variables with "apply" to calculate weighted means. My data i
Have you read "An Introduction to R". If not, please do so before
osting and pay particular attention to the section on indexing. If so,
re-read the sections on indexing.
For a terser exposition, ?"["
-- Bert
On Mon, Aug 27, 2012 at 7:11 AM, Daniel Caro wrote:
> Hello,
>
> This is a beginner qu
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