[R] where clauses - help

[peter dalgaard]

On May 14, 2013, at 17:06 , martinizza wrote:

> hello, I wrote a foreach loop containing "where clauses". R indicates an
> error in the compilation of the "where clause".
> Could you please tell me why not right?
> 
> foreach (series. combine = c)%:% when (mydata [3] = u [1]) % Dopar% (mydata
> [5] / sum (mydata [5]))
> 
> L 'error reported by R is:
> Error: unexpected '=' in "foreach (series. Combine = c)%:% when (mydata [3]
> ="
> 

This comes from a package, the package has a maintainer, the maintainer is associated with a commercial company...

Anyways, offhand:The comparison operator is == . You likely also need %dopar% (case and spaces do matter). And remove a space and add a comma within the first parenthesis.


-- 
Peter Dalgaard, Professor
Center for Statistics, Copenhagen Business School
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Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com