On Sat, 21 Apr 2001, Simon236 wrote:
> Dear Colleagues:
> I am experiencing difficulties to extract standard deviations
> of slope and interecept in "gls"
Your difficulty comes from guessing not reading the help pages. Take a look
at ?summary.gls: summary.gls does not return a component `coefficients', so
you got NULL. Failing reading the help, debugger() would have got you
there.
?gls really does tell you what you needed to know.
...
--
Brian D. Ripley, ripley@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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