On Aug 3, 2009, at 10:13 AM, David Winsemius wrote:
On Aug 3, 2009, at 9:58 AM, Birgit Lemcke wrote:
Hello list-members!
Is there a function that automatically calculates the slope and the
confidence intervals for the different explanatory variables from
the glm output?
Many thanks in advance for every hint.
B.; meet ??"" ,the quick way to do help.search(""). e.g.:
??"confidence intervals"
And for your purposes the confint function in the stats package is
probably what you are looking for.
Looking once more at the list of hits for help topics matching
"confidence intervals" I noticed that confint.glm has a separate
heading. Since MASS is not loaded by default, you might need to do:
require(MASS)
?confint.glm
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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