Markov Chain Monte Carlo

2002-01-23 Thread Brian Leung
I#8217;ve been trying to figure out how to use Markov Chain Monte Carlo for Bayesian analysis and there is (at least) one aspect that I#8217;m not getting. Basically, I#8217;m not sure how variances are optimized. To use a simple example (for which an analytic solution exists), let#8217;s use a

QUERY on multiple linear regression: predicted values show much smaller ranges

2002-01-23 Thread Sangdon Lee
Greetings! I have one Y and two Xs (X1 and X2), and am trying to perform multiple linear regression. All Xs and Y variables are standardized (zero mean and unit variance). X1 and X2 are moderately correlated (r=0.6) and the correlation of X1 and X2 to Y is -0.2 and 0.3, respectively. ANOVA

Re: analyzing counts from ordered categories

2002-01-23 Thread Rich Ulrich
On 23 Jan 2002 07:52:49 -0800, [EMAIL PROTECTED] (Mike Granaas) wrote: [ snip ] ... Their goal was then to test whether the pattern of endorsements was indeed # item 1 # item 2 # item 3 # item 4 # item 5 where # item 1 is short

Fw: I Hack Into Your Paypal Account!

2002-01-23 Thread Karl L. Wuensch
That is the most amusing post I have seen here in quite a while. Thanks, Steven. PS -- I have a virtual snippet of Steven Lee's hair and a voodoo doll in his likeness. All those $50 payments should be wired to me or Steven will find himself having sharp pains with no apparent cause. ;-) -

Re: QUERY on multiple linear regression: predicted values show much

2002-01-23 Thread jim clark
Hi On 23 Jan 2002, Sangdon Lee wrote: I have one Y and two Xs (X1 and X2), and am trying to perform multiple linear regression. All Xs and Y variables are standardized (zero mean and unit variance). X1 and X2 are moderately correlated (r=0.6) and the correlation of X1 and X2 to Y is -0.2