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2004 Jan 30
3
looping over factors
How does one loop over factors? Perhaps this is a newbie question.
I tried:
> b
[1] caseX caseY caseZ
Levels: caseX caseY caseZ
> length(b)
[1] 3
>
> for (i in b) {
+ print (b == i) ;
+ print (i);
+ }
[1] FALSE FALSE FALSE
[1] 1
[1] FALSE FALSE FALSE
[1] 2
[1] FALSE FALSE FALSE
[1] 3
>
But that strangely doesn't work. I must protest
the implications of the above....
2012 Sep 04
1
binary data
Dear list,
Hello to everybody, I´m interested in finding a package for statistical analysis of binary data, I have a matrix with the following structure:
Case1 Case2 Case 3 ....... CaseX Control1 Control2 Control3 ....... ControlY
Pep1 1 0 1 1 0 0 0 1
Pep2 1 1 1 1 1 0 0 1
Pep3 0 1 1 1 1 0 0 1
...
Pepz 1 1 1 1 1 0 0 1
I would like to know some R package to calculte similarity matrix or to make some statistical diferences between cases and controls
Any help it would be very a...