[R] how to sort

[onyourmark]

HI Thanks!
This worked:
dfCorTFandPCA[order(dfCorTFandPCA$PC1),]
Ony

milton ruser wrote:
> 
> Hi Ony,
> 
> If you got a data.frame with  dfCorTFandPCA=as.data.frame(corTFandPCA)
> so you can try something like:
> 
> orderedCorTFandPCA=dfCorTFandPCA[order(dfCorTFandPCA$PC1),]
> 
> May be you can also try force PC1 to be numeric with:.
> 
> 
> orderedCorTFandPCA=dfCorTFandPCA[order(as.numeric(as.character(dfCorTFandPCA$PC1))),]
> 
> Good luck
> 
> milton
> brazil=toronto
> 
> 
> 
> 
> 
> On Wed, Jun 17, 2009 at 11:16 PM, onyourmark <william108 at gmail.com> wrote:
> 
>>
>> Hi. I have an object. I think it is a list.
>>
>> > str(corTFandPCA)
>>  num [1:922, 1:5] -0.0226 -0.0504 -0.0208 -0.0582 -0.0257 ...
>>  - attr(*, "dimnames")=List of 2
>>  ..$ : chr [1:922] "abdomen.2" "abdomimal.3" "abdominal.4" "aberration.5"
>> ...
>>  ..$ : chr [1:5] "PC1" "PC2" "PC3" "PC4" ...
>>
>> I want to order it according to PC1.
>>
>> I tried this
>>
>>  dfCorTFandPCA=as.data.frame(corTFandPCA)
>> > orderedCorTFandPCA=dfCorTFandPCA[order(PC1)]
>> Error in order(PC1) : object 'PC1' not found
>>
>> but get that error. Can someone tell me what the best way to do this is?
>> Thank you.
>> --
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>>
>> ______________________________________________
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>> PLEASE do read the posting guide
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>> and provide commented, minimal, self-contained, reproducible code.
>>
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> 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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