[R] Split a vector(list) into 3 list

[Leeds, Mark (IED)]

If  temp is your vector then split(index(temp),temp) will give you what
you want.


-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Patrick Wang
Sent: Thursday, May 17, 2007 8:15 PM
To: r-help at stat.math.ethz.ch
Subject: [R] Split a vector(list) into 3 list

Hi,

I have a vector contains values 1,2,3.

Can I call a function split to split it into 3 vectors with 1
corresponds to value ==1, which contain all the indexes for value==1.

2 corresponds to value ==2 which contain all the indexes for value=2

Thanks
pat

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