Displaying 1 result from an estimated 1 matches for "myquant".
Did you mean:
yquant
2010 Oct 01
2
function which can apply a function by a grouping variable and also hand over an additional variable, e.g. a weight
Hi,
I was wondering if there is an easy way to accomplish the following in R:
Often I want to apply a function, e.g. weighted.quantile from the Hmisc package
to grouped subsets of a data.frame (grouping variable) but then I also need to
hand over the weights which seems not possible with summaryBy or aggregate or
the like.
Is there a function to do this? Currently I do this with loops but it