In addition to the non-parametric tools discussed in recent entries, it’s common to use proportional hazards regression, (section 4.3.1) also called Cox regression, in evaluating survival data.It’s important in such models to test the proportionality a…
Portal Page Orders – Using Page Rank (v9.2)
When pages are created, the author can choose the ‘rank’ which defines the order of tabs for users. (The default is 100.)
However, users have the ability to view tabs in this manner or reorder for their viewing pleasure. These options are located wit…
The SAS Customer Support Site Gets a New Hat
Hats are fantastic. It is a real shame that they don’t stay in fashion for very long at any one time. When I was a kid, I got a new dress for Easter every year. My most memorable dresses always included a hat because they were complete outfits. …
My answer to a complex transpose question from SAS-L
The question is raised from http://www.listserv.uga.edu/cgi-bin/wa?A2=ind1005d&L=sas-l&F=&S=&P=11947proc sort data=indat out=one; by subjid vist;run;proc transpose data=one out=two ; var result; by subjid vist; run;proc transpose data=o…
Handling leading, trailing blanks in macro variable
If a macro variable contains leading or trailing blanks, they can be easily removed without the use of %LEFT or %TRIM. Simply:%let macvar = &macvar;
Possum Romance and Other Data Analysis Anomalies
Today I took my 3-year old, Elizabeth, to lunch at the on-site cafeteria. As she enjoyed some mac & cheese, we noticed a spot on the floor.
Elizabeth: What’s that, mommy?
Me: I don’t know, I think it must be where the rug got messed up …