Adjust for over dispersion in Enterprise Miner HP GLM node (poisson model)

teg_76 — Sat, 12 Dec 2015 00:37:07 GMT

Hi Eveyrone,

In SAS I can use the scale=pearson command to adjust for over dispersion in my model. Does anybody know how I would do the equivalent in the HP GLM node of Enterprise Miner?

Here's the code in PC SAS that I'm trying to replicate somehow in Enterprise Miner:

Proc Genmod data=crab;

Model Sa=w / dist=poi link=log scale=pearson;

output out= data2 p=pred;

Thank you!

Re: Adjust for over dispersion in Enterprise Miner HP GLM node (poisson model)

WendyCzika — Mon, 14 Dec 2015 00:14:00 GMT

The SCALE= option isn't available in PROC HPGENSELECT which is used in the HP GLM node, but you could use the Negative Binomial distribution instead of the Poisson to help with overdispersion.

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Adjust for over dispersion in Enterprise Miner HP GLM node (poisson model)

Re: Adjust for over dispersion in Enterprise Miner HP GLM node (poisson model)