[R] re placePatterns() for multiple words replacement in tm

[Kelvin Lam]

Thanks.  The replacePatterns() is from the text mining package tm().


Bert Gunter wrote:
> 
> Don't use replacePatterns() (-- and what package is that from, btw??).
> 
> gsub("abc|def","Yes",sample[[1]])
> 
> Incidentally, "sample" is a rather bad name for your dataset, as it is the
> name of a commonly use R function. Ergo, possibility of confusion.
> 
> Bert Gunter
> Genentech Nonclinical Biostatisics
> 
> 
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> On
> Behalf Of Kelvin Lam
> Sent: Tuesday, August 11, 2009 9:43 AM
> To: r-help at r-project.org
> Subject: [R] re placePatterns() for multiple words replacement in tm
> 
> 
> Hi all,
> 
> I wonder how you can replace all words that need to be changed using
> replacePatterns().  The following is my code.  I want to replace both
> "abc"
> and "def" to " Yes ".  However, I can only replace the first occurrence in
> sample[[1]].
> 
>> sample[[1]]
> [1] abc def ghi
>> change <- c("abc","def")
>> replacePatterns(sample[[1]],change," Yes ")
> [1] Yes def ghi
> 
> Thank you so much!!!!
> 
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> ______________________________________________
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> 
> 

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