two questions about regression properties
- To: mathgroup at smc.vnet.net
- Subject: [mg112598] two questions about regression properties
- From: richard i pelletier <bitbucket at comcast.net>
- Date: Wed, 22 Sep 2010 01:57:28 -0400 (EDT)
- References: <i5l9qg$7ge$1@smc.vnet.net>
hi, i hope someone can answer two questions about LinearModelFit (hence, version 7)... 1. exactly how is the variance partition in EigenstructureTable computed? i can see that the eigenvalues are those of the parameter correlation matrix, but i have no idea how to get the variance partition. 2. what is the difference between MeanPredictionBands and SinglePredictionBands? i can see that they create different interval estimates of predicted response, but how do they differ conceptually? thanks in advance. rip -- email address is r i p 1 AT c o m c a s t DOT n e t