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Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im
Auftrag von Daniel Malter
Gesendet: Friday, July 11, 2008 7:53 PM
An: 'sj'; 'r-help'
Betreff: Re: [R] data summarization etc...
The problem is that you do not really have categories. Yo
Betreff: [R] data summarization etc...
Hello,
I am trying to do some fairly straightforward data summarization, i.e., the
kind you would do with a pivot table in excel or by using SQL queires. I
have a moderately sized data set of ~70,000 records and I am trying to
compute some group averages and
Hello,
I am trying to do some fairly straightforward data summarization, i.e., the
kind you would do with a pivot table in excel or by using SQL queires. I
have a moderately sized data set of ~70,000 records and I am trying to
compute some group averages and sum values within groups. the code exam
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