SAS

Chow test with categorical vars
Thank you very much Matthew! That is very helpful!! Rick ... 25 Feb 2010 13:40

Chow test with categorical vars
Hi guys, If I were executing a Chow test using a model which contains categorical vars (each with several levels), what are the appropriate df for the numerator and denominator? For example, let's say the model is y = int + x + z + Cat1 + Cat2, where Cat1 and Cat2 are categorical vars, each with 5 levels. Say sampl... 25 Feb 2010 12:31

Can't view results in html once check "View results when they are generated"
We'are switching to 64-bit SAS 9.2 on Win2008 from local XP machines. Previouly (local machine with 32-bit 9.2) I checked "View results when they are generated", then I could view the output in html after it's generated. Now on 64-bit windows, if I check "View results when they are generated", after I "proc p... 25 Feb 2010 12:31

In-House SAS/JMP/Interest User Group?
Dear SAS-L-ers, SAS legend Charlie Shipp posted the following: SAS-L readers/contributors: At SGF I am presenting a short paper on In-house user groups. Who has an in-house SAS, JMP, or special interest group? I would like to give you some visibility and talk to you @ SGF in Seattle, April 11-1... 26 Feb 2010 03:04

Unstacking Data
A lot of the data I work with is longitudinal data that is stacked. Before analysis, I have to unstack it and re-label variables with a suffix to indicate time of collection. I=92ve used proc transpose, data steps, and = a basic macro to unstack the data. I thought I=92d ask the experts what thei= r common me... 25 Feb 2010 10:15

Unstacking Data
Craig I usually use Proc Transpose. Nat Wooding -----Original Message----- From: SAS(r) Discussion [mailto:SAS-L(a)LISTSERV.UGA.EDU] On Behalf Of Craig Johnson Sent: Thursday, February 25, 2010 9:30 AM To: SAS-L(a)LISTSERV.UGA.EDU Subject: Unstacking Data A lot of the data I work with is longitudinal data t... 25 Feb 2010 15:57

dsread - Windows command-line utility for SAS7BDAT files
Hi, Readers of this group may be interested in dsread, available at http://www.oview.co.uk/dsread It's a command-line utility that understands the SAS7BDAT file format. It lets you examine the structure of datasets conveniently from the command-line, and converts SAS7BDAT data into valid CSV format for impor... 3 Mar 2010 02:58

update a column based on a column in another table
Hi, I don't mind if the solution is in PROC SQL or datastep but I am struggling with how to do this:- a=tablea b=tableb update tablea set a.col1 = b.col1 where a.col2 = b.col2 Regards Lee ... 25 Feb 2010 14:49

update a column based on a column in another table
Hi, I don't mind if the solution is in PROC SQL or datastep but I am struggling with how to do this:- a=tablea b=tableb update a.col1 where a.col2 = b.col2 Regards Lee ... 25 Feb 2010 09:08

Converting a timestamp to a SAS time
hi, if i want to find the difference between two dates i can convert them to SAS dates using the YYMMDD8. format and then subtract one from the other. i'd like to find the time interval between two observations in minutes. my raw data is in the format DD/MM/YYYY HH:MM:SS, i.e. 25/01/10 07:11:25. is it possible... 25 Feb 2010 13:40