Richard Williams replied:
> I've never used -bootstrap-, but could you first create a data set with
> only the 60 cases you want? e.g.
(You should, Richard: it's damned good fun, especially when you switch the
-dots- option on!)
> keep if !missing(conch, srconch) & (srcycle>.25 & srcycle<.5)
Shortly afterwards, Scott Merryman replied:
> Dropping missing observations is the recommended strategy, see [R] A-F
> pages 123-124.
Clearly, my brain is functioning as it normally does: badly. Thanks to
Rich and Scott for answers and recommendations.
CLIVE NICHOLAS |t: 0(044)7903 397793
Politics |e: [email protected]
Newcastle University |http://www.ncl.ac.uk/geps
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