R help - Nov 2002 - how to remove rows of NA

dear all,
 
 i have a dataset that contains observations (rows) only containing missing
 values.
 
 how can i remove those rows
 i want to keep the rows where there is at least one non-missing value.
 
 thanks for your help.
 
 
 
 bernd ebersberger
 
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bernd.ebersberger at gmx.de writes:
>  dear all,
>  
>  i have a dataset that contains observations (rows) only containing missing
>  values.
>  
>  how can i remove those rows
>  i want to keep the rows where there is at least one non-missing value.
>  
>  thanks for your help.
Something like

mydata[!apply(is.na(mydata),1,all),]
-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
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