Hi,
you could have a look at the doBy package which makes these operations
easier. Hadley's plyr package is also another option.
baptiste
On 20 Mar 2009, at 01:01, Altaweel, Mark R. wrote:
Hi,
I am trying to perform various functions on a list with a number of
elements. For example. I
On Mar 19, 2009, at 9:01 PM, Altaweel, Mark R. wrote:
Hi,
I am trying to perform various functions on a list with a number of
elements. For example. I would like to take the mean of different
variable values in the entire list. As an example,
say I have a list with 1000 elements and variab
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