Displaying 2 results from an estimated 2 matches for "triallist".
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trialist
2009 May 22
1
Paste Strings as logical for functions?
Dear R Users,
I have some dynamic selection rules that I want to pass around for my functions:
>rules <- paste(g$TrialList==1 & g$Session==2)
>myfunction <- function(rules) {
> index <- which(rules)
> anotherFunction(index)
> }
However, I can't find a way to pass around these selection rules
easily (for subset, for which, etc)
Please let me know if you have some idea.
Thank you very much...
2009 May 21
3
index to select rows of a large matrix
Dear R Users,
I have created a 1500 x 20000 data frame - DataSeq. Each of the 1500
rows represents a data sequence.
I have another data frame iData that stores the information of these
1500 data sequences in the same order, for example, condition, gender,
etc.
If I use "subset" to select certain groups within iData according to
some criteria that I have set, e.g. condition, gender
Then