Thanks for the code, that was exactly what I was looking for. Regards,
Sören
On 30.04.2010, at 14:04, David Winsemius wrote:
On Apr 30, 2010, at 6:59 AM, Mohamed Lajnef wrote:
Hi Soeren
Apply or aggregate functions
Probably needs combn as well. Could do it all with numeric indices,
b
On Apr 30, 2010, at 6:59 AM, Mohamed Lajnef wrote:
Hi Soeren
Apply or aggregate functions
Probably needs combn as well. Could do it all with numeric indices,
but this effort with character vectors seems acceptable:
fun <- function(x){ cnms <- colnames(x)
return(apply(combn(cnms,2), 2,
On 30/04/2010 7:55 AM, soeren.vo...@eawag.ch wrote:
Hi Mohamed, thanks for your answer. Anyway, the "how to" is exactly my
problem, since ...
fun2 <- function(x){
please_use_aggregate_and_apply_in_some_way_and_return_the_output_of_my_example_as_requested
(fun(x));
}
fun2(df);
... unfor
Hi Mohamed, thanks for your answer. Anyway, the "how to" is exactly my
problem, since ...
fun2 <- function(x){
please_use_aggregate_and_apply_in_some_way_and_return_the_output_of_my_example_as_requested
(fun(x));
}
fun2(df);
... unfortunately returns an error ;-). Could you please give a
Hi Soeren
Apply or aggregate functions
best regards
M
soeren.vo...@eawag.ch a écrit :
Hello, a data.frame, df, holds the numerics, x, y, and z. A function,
fun, should return some arbitrary statistics about the arguments, e.g.
the sum or anything else. What I want to do is to apply this functi
Hello, a data.frame, df, holds the numerics, x, y, and z. A function,
fun, should return some arbitrary statistics about the arguments, e.g.
the sum or anything else. What I want to do is to apply this function
to every pair of variables in df, and the return should be a matrix as
found wit
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