[R] logistic regression tree

[Kay Cichini]

hello gavin & achim,

thanks for responding.

by logistic regression tree i meant a regression tree for a binary response
variable.
but as you say i could also use a classification tree - in my case with only
two outcomes.

i'm not aware if there are substantial differences to expect for the two
approaches (logistic regression tree vs. classification tree with two
outcomes).

as i'm new to trees / boosting / etc. i also might be advised to use the
more comprehensible method / a function which argumentation is understood
without having to climb a steep learning ledder, respectively. at the moment
i don't know which this would be.

regarding the meaning of absences at stands: as these species are frequent
in the area and hence there is no limitation by propagules i guess absence
is really due to unfavourable conditions. 

thanks a lot,
kay

 

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Kay Cichini
Postgraduate student
Institute of Botany
Univ. of Innsbruck
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