[R] Query about merging two tables

Wensui Liu liuwensui at gmail.com
Tue Feb 6 16:50:58 CET 2007


subset(table1, rate != 999&id == table2$id)

On 2/6/07, lalitha viswanath <lalithaviswanath at yahoo.com> wrote:
> Hi
> I have table1 which has the foll. columns
> id age rate
>
> and table2 which has the foll. columns
> id count
>
> I wish to get data from table1 for all the ids which
> are persent in table2 and where the rate is not equal
> to 999.
> The ids in table2 are a subset of those in table1 and
> every id in table2 has an entry in table1.
>
> I would appreciate your input regarding the above.
>
> Thanks in advance
> Lalitha
>
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-- 
WenSui Liu
A lousy statistician who happens to know a little programming
(http://spaces.msn.com/statcompute/blog)



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