SAS

SAS text field to date
Hello All, I need a little help on a SAS dataset. The data has a text field that is actually a date. Like this. beginning ending 8/11/2001 10/1/2001 12/1/2000 1/22/2001 The field is text. How do a format this field as a date? Seems easy enough, but I can't seem to get it. Thanks. ... 1 Mar 2007 11:30

research question Annual percent change
Hi ALL, how are you doing. I want to calculate average annual percent change for cancer mortality. see the below description. Annual Percent Change (APC) The Annual Percent Change (APC) is calculated by fitting a least squares regression line to the natural logarithm of the rates, using the calendar year a... 24 Feb 2007 18:56

PROC MEANS SAS DOCUMENTATION ERROR ??
hI I am referring to the pic at the end of the page at this link http://netra.montana.edu/docs/sas/proc/z5ults.htm A, B, C = Class variables for the _type_ variables to be correct as mentioned in the pic, I think the pic is reffering to the C, B, A as class variables. Any answers? Thanks for looking into... 21 Feb 2007 12:13

Proc Rank with Weighted Variables
>From an old thread, circa 2005: toby dunn <tobyd...(a)hotmail.com> wrote: I am trying to create deciles but I need the obs weighted by another variable. Does Proc Rank have a wieght statement like proc freq does or is there a better way to get to where I want to go here. PROC UNIVARIATE has a WEIGHT sta... 24 Feb 2007 18:56

Q: resolving Windows environment variables
I want to get a Windows system environment variable to resolve but I have this problem that to get it to resolve you have to put a "%" at front and back so sas thinks you are trying to run a macro of that name which I am not. How do I get round this in sas, let's say for %username%? ... 15 Feb 2007 17:14

How would I create a program to do a repetitive process?
Hello all, I'm trying to find an easier way to add a new field to multiple tables; greater than 500. Copy the some data to that new field. Replace to old data with new data. Has anyone ever done something like this? I'm envisioning a Windows script for this process so that it will work on many different ta... 15 Feb 2007 15:47

proc sql note and attributes.
Hi All, How are you doing. Happy valentine day. Question? i am getting following in log note: The query requires remerging summary statistics back with the original data when i run below code proc sql; create table length as select distinct ptno,visit, max(length) as maxlt from physical.leng... 15 Feb 2007 15:47

Formatting Output
Dear All, I need to concatenate three fields. I used catx function to conatenate those three fields say A, B and C. For an Example A has a value "ARJUN" and B has a valu "KUMARESAN" and C has a value of "THIRUVARUL". i used the sas comment D=catx(' , ', of A B C); and i get a output of ARJUN... 14 Feb 2007 12:18

No valid parameter points were found (nlmixed)
Hello- I have seen this error posted on the page previously, but I can not figure out where I've gone wrong. I would like to fit a (simple) logistic with random effects for subject -- labelled 'tid' in this particular dataset. I wanted to set up a model with the time variable (gday measured on 3 consecutive da... 13 Feb 2007 14:33

ERROR CATCHING IN SAS
Hi, Is there a way to know in the program if a previous data step or proc step executed correctly or not? ... 13 Feb 2007 16:10