[R] Using Aggregate() with FUN arguments, which require more than one input variables

FUN(X[[1L]], ...) : supply both 'x' and 'y' or a matrix-like 'x'. I think the subsets aggregate puts into cor() are sort of list types and therefore can't be handled by cor(). Can anyone provide me with a solution? Regards, RNoob -- View this message in context:

Re: [R] Using Aggregate() with FUN arguments, which require more than one input variables

as.matrix() will not help here. I will get the same error message. And also, I don't need correlation matrices. I simply need a vector of correlations. I will show you some code and data I am using. Here you can see my main dataframe: > head(test) industry datetestvar ret

Re: [R] Using Aggregate() with FUN arguments, which require more than one input variables

Great! Thanks. -- View this message in context: http://r.789695.n4.nabble.com/Using-Aggregate-with-FUN-arguments-which-require-more-than-one-input-variables-tp4303936p4306170.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-pr

[R] Lag vector of dates by vector of days

ot;, "2002-03-31") ) n <- c(10, 20, 31) Desired Result: "2002-02-09" "2002-03-16" "2002-05-01" Can anyone help me with this? Thanks in advance, RNoob -- View this message in context: http://r.789695.n4.nabble.com/Lag-vect

[R] Is it possible to run multiple instances of Tinn-R?

Dear All, is there anyone using Tinn R, who knows if it's possible to run more than one instance of Tinn R on one machine? I'd like to run more than one R process (R Term) at a time from Tinn R. Any help will be appreciated. Thanks. -- View this message in context: http://r.789695.n4.nabble.co

[R] Using Internals via their compiled sources

Hello, I wish to use the compiled version of a particular function( mean(x) to be exact ) and I can't use the source files as I am told by my boss I am to assume that users will not have the source files available to them. So this is my question: how do I find out which lib which particular source