Message-ID: <1341935884.99685.YahooMailNeo@web39403.mail.mud.yahoo.com>
Date: 2012-07-10T15:58:04Z
From: arun
Subject: Count of elements in coulmns of a matrix
In-Reply-To: <1341923464002-4635979.post@n4.nabble.com>
Hi,
Try this:
list1<-list(ABC=c(2,5),XYZ=c(3,4,4,2),PQR=c(4,5,3))
> lapply(list1,function(x) length(x))
$ABC
[1] 2
$XYZ
[1] 4
$PQR
[1] 3
?list2<-lapply(list1,function(x) length(x))
?dat2<-data.frame(list2)
?dat2
? ABC XYZ PQR
1?? 2?? 4?? 3
A.K.
----- Original Message -----
From: Rantony <antony.akkara at ge.com>
To: r-help at r-project.org
Cc:
Sent: Tuesday, July 10, 2012 8:31 AM
Subject: [R] Count of elements in coulmns of a matrix
Could you please tell me what is the function or method to get count of
elements in all the columns in a matrix ?
for eg :-
ABC? ? ? XYZ? ? PQR
------? ? ? -----? ? ------
2? ? ? ? ? ? 3? ? ? ? ? ? 4
? ? ? ? ? ? ? 4? ? ? ? ? 5
5? ? ? ? ? ? 4? ? ? ? ? 3
? ? ? ? ? ? ? 2
Result will be like
ABC? ? ? XYZ? ? PQR
------? ? ? -----? ? ------
2? ? ? ? ? ? 4? ? ? ? ? ? 3
Could you please help me ?
--
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