taking is wrong. Any suggestions would be gratefully
received.
Many thanks,
Steve
Date: Wed, 31 Mar 2010 23:31:25 +0200
From: stephan.kola...@gmx.de
To: smurray...@hotmail.com
CC: r-help@r-project.org
Subject: Re: [R] Summing data based on certain
-project.org] Namens Steve Murray
Verzonden: vrijdag 2 april 2010 16:37
Aan: stephan.kola...@gmx.de; gunter.ber...@gene.com
CC: r-help@r-project.org
Onderwerp: Re: [R] Summing data based on certain conditions
Dear all,
Thanks for the contributions so far. I've had a look
taking is wrong. Any suggestions would be gratefully
received.
Many thanks,
Steve
Date: Wed, 31 Mar 2010 23:31:25 +0200
From: stephan.kola...@gmx.de
To: smurray...@hotmail.com
CC: r-help@r-project.org
Subject: Re: [R] Summing data based on certain
2010 23:31:25 +0200
From: stephan.kola...@gmx.de
To: smurray...@hotmail.com
CC: r-help@r-project.org
Subject: Re: [R] Summing data based on certain conditions
?by may also be helpful.
Stephan
Steve Murray schrieb:
Dear all,
I have a dataset of 1073 rows, the first 15 which look as follows
Kolassa
Sent: Wednesday, March 31, 2010 2:31 PM
To: Steve Murray
Cc: r-help@r-project.org
Subject: Re: [R] Summing data based on certain conditions
?by may also be helpful.
Stephan
Steve Murray schrieb:
Dear all,
I have a dataset of 1073 rows, the first 15 which look as follows:
data[1:15
Dear all,
I have a dataset of 1073 rows, the first 15 which look as follows:
data[1:15,]
date year month day rammday thmmday
1 3/8/1988 1988 3 8 1.43 0.94
2 3/15/1988 1988 3 15 2.86 0.66
3 3/22/1988 1988 3 22 5.06 3.43
4 3/29/1988 1988 3 29
?ave
or ?tapply
Bert Gunter
Genentech Nonclinical Biostatistics
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of Steve Murray
Sent: Wednesday, March 31, 2010 10:20 AM
To: r-help@r-project.org
Subject: [R] Summing data based
?by may also be helpful.
Stephan
Steve Murray schrieb:
Dear all,
I have a dataset of 1073 rows, the first 15 which look as follows:
data[1:15,]
date year month day rammday thmmday
1 3/8/1988 1988 3 81.430.94
2 3/15/1988 1988 3 152.860.66
3 3/22/1988
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