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RE: [mget-help] labelling categorical predictors in RandomForest


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  • From: Jason Roberts <>
  • To: "Dilts, Thomas" <>
  • Cc: "" <>
  • Subject: RE: [mget-help] labelling categorical predictors in RandomForest
  • Date: Fri, 1 Jul 2016 22:12:47 +0000
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Tom,

Thanks for positive feedback!

For the RF question, I presume you are referring to the partial dependence
plots that can be optionally outputted. I haven't used the tool with
categorical predictors in quite a while so can't remember what it does in
that case. My memory is that when a categorical predictor is plotted, it
produces a bar for each categorical value. Is that what you mean, and is that
not happening? Anyway, sorry for my confusion. If you could describe a bit
more explicitly what you're doing, I can try to help. (You can send example
data, if that helps demonstrate what you're seeing.)

Regarding the forum, this is it. We are a bit old-school here and are still
using our listsrv. But I answer 98% of the questions, so you're not likely to
hear from anyone else. :-)

I'm on vacation next week so if you reply I will not get back to you until
July 11.

All the best,

Jason

-----Original Message-----
From:
[] On Behalf Of Dilts, Thomas
Sent: Thursday, June 30, 2016 5:39 PM
To:
Subject: [mget-help] labelling categorical predictors in RandomForest

Hi,

First off this is one of the best ArcGIS extensions of all time! Thanks for
the great work on developing it.

Q: I was wondering if there is a way to label the categorical predictors so
that it is possible to identify 1=shrub, 2=forest, 3=wetland, etc. on the
output response curves. For example Maxent software requires each variable
to be identified as continuous or categorical. Is there a similar option
with RF?

Q: Is there a users group of some sort of forum to ask questions on?

Thanks

Sincerely,

Tom Dilts

------------------------------------------------------------------
Thomas Dilts, MS
Research Scientist
Great Basin Landscape Ecology Lab
Department of Natural Resources and Environmental Science University of
Nevada Reno
(775) 784-1447
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