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web38404
2008 Oct 15
0
R-help Digest, Vol 67, Issue 31
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Message: 25
Date: Mon, 29 Sep 2008 07:20:38 -0700 (PDT)
From: John Kane <jrkrideau at yahoo.ca>
Subject: Re: [R] does there any function like sumif in excel?
To: R-help at r-project.org, caocheng?? <caocheng8230 at gmail.com>
Message-ID: <972822.20441.qm at web38408.mail.mud.yahoo.com>
Content-Type: text/plain; charset=utf-8
There are several ways to subset the dataframe
?select will give you one.
or mydata[mydata$A=value]<- mydata
then apply sum()
I do not think there is one single command equivalent to sumif()
--- On Sun, 9/28/08, caocheng?? &...
2009 Jul 09
2
How to Populate List
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Message: 68
Date: Wed, 8 Jul 2009 10:14:02 -0700 (PDT)
From: John Kane <jrkrideau@yahoo.ca>
Subject: Re: [R] #INCLUDE
To: r-help@r-project.org, Idgarad <idgarad@gmail.com>
Message-ID: <193977.53145.qm@web38408.mail.mud.yahoo.com>
Content-Type: text/plain; charset=iso-8859-1
?source perhaps?
--- On Wed, 7/8/09, Idgarad <idgarad@gmail.com> wrote:
> From: Idgarad <idgarad@gmail.com>
> Subject: [R] #INCLUDE
> To: r-help@r-project.org
> Received: Wednesday, July 8, 2009, 11:16...