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columnmame
2006 Jul 03
1
difficult data manipulation question
...ements ? ( in the case of
ties, i don't care which one is picked ).
so, in this case, the resulting matrix would just be the first 4 columns.
i realize ( or atleast i think ) that
sum( TEMP[(TEMP[,columnname] !=0) ,columnname) will give me the
number of non elements in a column with the name columnmame
but how to use this deal with the non uniqueness to solve my particular problem is beyond me. plus, i think the command will
bomb because columnname will not always be unique ?
Thanks for any help. I realize this is not a trivial problem so I really appreciate it....