SAS

fitting mixture of Weibull distributions
Hi. I am looking at response time data that, I assume, is a mixture of 3 Weibull distributions. How can I fit such a model to the data using ML estimation? Thanks a lot! Dennis ... 11 Feb 2010 15:04

Response to why do we need a drop down to perl or R in SAS
Dear SAS-L-ers, Dale McLerran posted the following: I would like to see better support for R from SAS. R does get packages for many statistical methods often long before those methods are available in SAS. However, naming meta-analysis as one of the benefits of R is misleading. Meta-analysis is e... 11 Feb 2010 05:00

Inter- rater agreement for echocardiography measurements in SAS
Hi all, I am looking for a good measurement of inter-rater agreement for continuous variables implemented in SAS. It may be the ICC or something else. My client is a physician who doesn't really feel comfortable with the ICC and last time asked me to do a simple mean %- difference calculation. I searched the lit... 10 Feb 2010 14:32

Help regarding Coding
Hi, I have a query related to SAS enterprise guide ,i need a sql code to find out average as mentioned in below table. there are three variables Time Flag demand, so i need average of demand when timeflag =0-9 then when time flag = 10-18 then average of demand , when time flag = 19-22 then average of de... 11 Feb 2010 07:11

Hi
How to how to create a one automatic (macro) variable subsidiary of another in a macro language it should look like this %do i=1 %to 100; and now i nead some k = &i-1; %let k = &i - 1 does not work % do k=&i-1 %to 100-1 make loop in loop k=&I-1 k is not macro variable Emil ... 10 Feb 2010 09:59

hi
HI All, How we perform the Finney 2 by 2 parellel bioassay & E max model on inhaled bioequivalence study. ... 10 Feb 2010 07:46

Automatic Email using SAS
Hi All, I need to send emails with the log file attached to few users using SAS unix from production server. This essentially means tat , we need to change the emailhost options as the smtp information is not the default one. After half a day's research i realised tat emailhost options can be changed only in t... 10 Feb 2010 03:24

Unique Foreign Key Integrity Constraint?
in DI-Studio yes, in base-SAS not automaticly. There you must implement it in application logic, I think. Gerhard On Tue, 9 Feb 2010 12:35:42 -0600, Craig Johnson <cjohns38(a)GMAIL.COM> wrote: Is it possible to set a foreign key integrity constraint as unique? The FK I'm using appears to be a one-to-m... 10 Feb 2010 00:08

Hostname
Hi, I have an excel sheet with a list of 50 page URLs for which I am trying to extract the page titles from the HTML code of each page. This is a secure site and I would have to pass it through authentication. Can I get all the titles in one shot? Can someone helpme with the code plz? Thanks KK. ... 9 Feb 2010 13:58

ROC curves
Hi, I have a simple model were y is a binomial variable (1= sick, 0=not sick) and x is a continous explanatory variable (for instance, weight): proc logistic desc; model y = x/ctable pprob = (0 to 1 by .10) outroc=roc rsq clodds=wald; run; Question 1: How can I know the x value associated to each prob le... 9 Feb 2010 15:07