Displaying 2 results from an estimated 2 matches for "older40".
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2005 Feb 03
1
help on "stack" function
...01-02 50 0.5776001
3 2005-01-03 44 0.1892008
4 2005-01-04 38 0.4981651
5 2005-01-05 49 -1.7591745
6 2005-01-06 37 -0.8898464
7 2005-01-07 30 0.7528217
8 2005-01-08 46 -1.2421763
9 2005-01-09 39 -0.9333667
10 2005-01-10 32 1.2086509
#suppose you only want patients older than 40 Older40<-mydat[age>=40,c(1,3)]
time measure
1 2005-01-01 -1.2873181
2 2005-01-02 0.5776001
3 2005-01-03 0.1892008
5 2005-01-05 -1.7591745
8 2005-01-08 -1.2421763
Is this what you wanted to do?
Francisco
>From: "" <combe at b3e.jussieu.fr>
>To: "" <R...
2005 Feb 03
1
he^lp on "stack" function
Excuse me.
I don't understant how to use the function "stack".
I'm not sure to know the good syntax.
I've got a data witch column names are the time when the mesures was done and
an
other who indicates the age of the subjetcs.
I would like to do a new matrix with patients older than a value and the new
matrix will contain in the first column the time of the mesures and in