Hello,
You're right, sorry for the misleading tip. How about seq(1, 177, 11)?
Please note that without a data example, it's not very easy to say.
Can't you post a small dataset using ?dput
dput(head(data, 20)) # paste the output of this.
Rui Barradas
Em 08-02-2013 17:10, christel lacaze escreveu:
that doesn't seem to be the issue i'm afraid... both j sequences produce the
same numbers:
j<-seq(1,166,11)
j
[1] 1 12 23 34 45 56 67 78 89 100 111 122 133 144 155 166
j<-seq(1,176,11)
j
[1] 1 12 23 34 45 56 67 78 89 100 111 122 133 144 155 166
Date: Fri, 8 Feb 2013 16:37:52 +0000
From: ruipbarra...@sapo.pt
To: christellac...@hotmail.co.uk
CC: r-help@r-project.org
Subject: Re: [R] help with double looping
Hello,
Maybe seq(1, 16*11, 11)? (16*11 is 176, not 166)
Hope this helps,
Rui Barradas
Em 08-02-2013 16:03, christel lacaze escreveu:
hi there,
I have a dataframe in the shape vA1, vA2,..., vA11, vB1, vB2,..., VB11,.......,
VP1, VP2,...., VP11 (so 16 times a sequence of 11 variables)
I am trying to build a double loop so that i can apply the function (i-1)*v(i)
to the first 10 variables, then the same for the next 10 variables, etc... 16
times.
I have tried the following with no luck:
iscores<-list()
for (j in seq(1,166,11))
{
for (i in j:(j+10))
{iscores[[i-j+1]]=(i-j)*data[[i-j+1]]
}
}
any suggestion...?
many thanks,
Christel
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