FW: Diagnosing and addressing co linearity in Survival Analysis

2001-06-06 Thread David Heiser
-Original Message- From: David Heiser [mailto:[EMAIL PROTECTED]] Sent: Wednesday, June 06, 2001 1:55 PM To: ELANMEL Subject: RE: Diagnosing and addressing co linearity in Survival Analysis -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf

The False Placebo Effect

2001-05-24 Thread David Heiser
Be careful on your assumptions in your models and studies! --- Placebo Effect An Illusion, Study Says By Gina Kolata New York Times (Published in the Sacramento Bee, Thursday, May 24, 2001) In a new report that is being met with a mixture of

Re: [Q] Generate a Simple Linear Model

2001-03-29 Thread David Heiser
well, if you have access to a routine that will generate two variables with specified r ... then, you can do it ... i have one that runs in minitab ... it is a macro ... and i know that jon cryer has one too ... http://roberts.ed.psu.edu/users/droberts/macro.htm ... check #1 ... I am not

Re: multivariate normality

2001-03-08 Thread David Heiser
- Original Message - From: "yogab" [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, March 08, 2001 12:23 PM Subject: multivariate normality Hello all., Iam using mutivariate normality test (Mardia 1974) to check for normaility for my sample set of size 1000 (multivariate