[R] Breakdown of Vector

[Jagat.K.Sheth at wellsfargo.com]

No need to use a for loop. Try something like this 

dim(EXAM1) <- c(20,7420/20)
test.breakdown.list <- as.list(data.frame(EXAM1)) 

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On Behalf Of Rajasekaramya
Sent: Friday, November 21, 2008 9:48 AM
To: r-help at r-project.org
Subject: [R] Breakdown of Vector


Hi,

I have a vector of Size 7420. I wanna break down in such a way that
every 20 elements of it should be as elements of an list.

Ex
EXAM1
ABC, SDF,
LMN,ERF,EGC,EFG,WER,FRE,QWE,ERT,DGW,QWE,YUR,ERT,GHJ,FHH,....7420

what i want is
Breakdown.list
[[1]]
ABC,SDF,.....20
[[2]]
21.....40
[[3]]
41....50

i thought of using a for loop but i am wondering how to incerment
test.breakdown.list<-list()
for( i =0;i<=length(EXAM1);i+20)
{
test.breakdown.list<-Exam1[c(i:i+20)]
print (paste(i))
}

Ias this how we do...please correct me if am wrong.

Regards
Ramya


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