[R] how to remove rows of NA

[bernd.ebersberger@gmx.de]

 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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