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ariase
2011 Jun 30
4
aggregating data
...ething like this:
Gene No.ofprobes Mean_expression
A 3 0.25
Is there an easy way to do this using "cast" or "melt"? Ideally, I would also like to see the unique probes corresponding to each gene in the wide format.
Thanks in advance
Max
Maxy Mariasegaram| Reserach Fellow | Australian Prostate Cancer Research Centre| Level 1, Building 33 | Princess Alexandra Hospital | 199 Ipswich Road, Brisbane QLD 4102 Australia | t: 07 3176 3073| f: 07 3176 7440 | e: mariaseg@qut.edu.au
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2010 Nov 24
1
how to make R overlook string character
I am really new to R and would appreciate some help to sort out a problem
with data extraction from a large file.
I have entered the following command to filter data from a large data set
called "upanddown" such that those records in upanddown corresponding to
blockType=3'UTR are transferred to a new file called "new":
new<-sqldf("select * from upanddown where
2011 Jun 30
0
help with interpreting what nnet() output gives:
...p
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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------------------------------
Message: 95
Date: Thu, 30 Jun 2011 17:28:02 +1000
From: Max Mariasegaram <max.mariasegaram at qut.edu.au>
To: "r-help at r-project.org" <r-help at r-project.org>
Subject: [R] aggregating data
Message-ID:
<6A809CAC3D22EE4AAA41A3EA54B00E0C0D63DEBA3D at QUTEXMBX03.qut.edu.au>
Content-Type: text/plain
Hi,
I am interested in using the cast...