SAS
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help with obs comparisons I have a data set consisting of obs for many subjects, with about 8 obs for each subject (at 8 time points, one obs/time). Ideally the obs for each subject should be non-increasing over time. If any obs is not in the non-increasing order, I need flag it. For example, obs for subject 1 are: subject res time 1 ... 30 Mar 2010 17:14
Assigning random numbers Hi, there are two things I am trying to do with random numbers that I am having trouble with. Can anyone help me get started? Everything I've read online has been pretty complex... 1. I have 15 people who need to be assigned to either task 1, 2, or 3. They will only do one task and I want equal group sizes. 2.... 30 Mar 2010 13:52
Location Intelligence demo Quick demo on the power of Location Intelligence to visualise your data http://www.youtube.com/watch?v=uhD1NtNdj8E ... 30 Mar 2010 08:18
transpose colums Hi i have a table with the following columns now : id date1 code1 date2 code2 date3 code3 date4 code4. i would like to find out whether is there a more efficient way to transpose the table into id date code -- ---- ------ in sql, it sld be similar to select id, date1, code1 from table u... 5 Apr 2010 17:13
Is there a format to print time values with leading zeros? Hi, SAS 9.1.3 SP 4, Windows XP Is there a format to print time values (HH:MM, no seconds needed) in 24 hour format, i.e. with a leading zero? A check of the doc indicates "no", but just wanted to confirm. I just want standard 24 hour time output, like 04:53 and 18:12. 24 hour time output always uses a lea... 30 Mar 2010 06:07
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A link to a collection of tutorials and videos on Data-Applied. A link to a collection of tutorials and videos on Data-Applied. Tutorials: http://www.dataminingtools.net/browsetutorials.php?tag=dapl Videos: http://www.dataminingtools.net/videos.php?id=7 ... 30 Mar 2010 05:02
PROC SQL bottlenecks Hi. I'm using PROC SQL to summarise a 100 million observation dataset. It takes about 7 hours. The system CPU time is only about 30 minutes. I'm running on a pretty powerful Windows system. What could speed this up? What bottlenecks is it likely to be running into? It's doing quite a lot of different type... 30 Mar 2010 07:13
Help Desk Software by PerlDesk Help Desk Software by PerlDesk ------------------------ http://sites.google.com/site/freehelpdesksoftware ... 30 Mar 2010 03:57
SAS variable format won't change? Hi SAS experts, I tried to change format of one variable from character to numeric? But I tried input and format, it's just won't change. data allevel; set in.posttest; ses=input(isfreeorreduced_n,best1.); grade=input(grade1,best1.); run; Also, data allevel; set in.posttest; ses=isfreeorreduced_n*1; g... 30 Mar 2010 21:50 |