[R] Troubles with stemming (tm + Snowball packages) under MacOS

[Julien Velcin]

THANK YOU ! Actually, the key is to disable AWT before loading the R  
packages.

At last, it works with just a few warnings.

Julien

On Feb 2, 2012, at 4:36 PM, Zhou Zhou wrote:

> The Sys.setenv(NOAWT=TRUE)  code indeed solved my problem which was  
> excatly
> what Julien described.
>
> The key is you have to deactivate AWT BEFORE loading RWeka/Snowball.  
> If I do
> so it will fire a few warning messages but that should not affect  
> anything.
> I am running the lsa package which requires RWeka and Snowball. My R  
> version
> is 2.14.1, under Mac OS X 10.6.8. My code snippet as below:
>
>> dtm<- 
>> textmatrix 
>> (ldir 
>> ,minWordLength 
>> =1,stopwords=stopwords_en,stemming=TRUE,language="english")
> Refreshing GOE props...
> ---Registering Weka Editors---
> Trying to add database driver (JDBC): RmiJdbc.RJDriver - Warning,  
> not in
> CLASSPATH?
> Trying to add database driver (JDBC): jdbc.idbDriver - Warning, not in
> CLASSPATH?
> Trying to add database driver (JDBC): org.gjt.mm.mysql.Driver -  
> Warning, not
> in CLASSPATH?
> Trying to add database driver (JDBC): com.mckoi.JDBCDriver -  
> Warning, not in
> CLASSPATH?
> Trying to add database driver (JDBC): org.hsqldb.jdbcDriver -  
> Warning, not
> in CLASSPATH?
> [KnowledgeFlow] Loading properties and plugins...
> [KnowledgeFlow] Initializing KF...
>
>
>
> Julien Velcin wrote
>>
>> I have desactivated AWT (like written in
>> http://r.789695.n4.nabble.com/Problem-with-Snowball-amp-RWeka-td3402126.html)
>> with :
>>
>> Sys.setenv(NOAWT=TRUE)
>>
>> The command tm_map(reuters, stemDocument) gives the following  
>> errors :
>>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/Troubles-with-stemming-tm-Snowball-packages-under-MacOS-tp4292605p4351779.html
> Sent from the R help mailing list archive at Nabble.com.
>
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