Help Cox Models0252 (5/5/2010 1:07:19 AM) comp.soft-sys.sas Hi Everyone,
I want to run cox proportional hazard models using a longitudinal
dataset.
I want sas to recognize subjects that had events at baseline and that
had only baseline visits in the statement and ... sas
help with proc phreg where statment1538 (5/2/2010 9:27:47 PM) comp.soft-sys.sas Hi Everyone,
I want to run cox proportional hazard models using a longitudinal
dataset.
I want sas to recognize subjects that had events at baseline and that
had only baseline visits in the statement and ... sas
survival analysis: setting up longitudinal data question0425 (4/12/2010 11:45:07 PM) comp.soft-sys.sas Hi All,
I have a longitudinal dataset and would like to make sure if I am
setting it correctly to run proc lifetests and phreg for each
subject.. This is how my dataset looks:
id outcome ... sas
By statement to select cases3100 (4/7/2010 9:12:28 PM) comp.soft-sys.sas Hi All,
I have a multiple observation dataset. I would like to create
variables with if case1 only, if case2 alone, if case1 and case2.
The data looks as follows:
Subject Case 1 Case2
1 ... sas
selecting worse grade in sas0174 (4/7/2010 3:15:53 PM) comp.soft-sys.sas Hi All,
If I have a bunch of grades for students over terms. How do I select
the worse grade.
Here is how the data looks:
Student Grade 1 Grade 2
X 50 ... sas
how to filter observations5315 (3/23/2010 2:51:04 AM) comp.soft-sys.sas Hi All,
I am having difficulty in figuring out how to filter observations in
sas. I need to look at observations while excluding others in the same
row...As such, I cannot delete the row...Is there any com... sas
deleting subjects1163 (3/17/2010 5:17:10 PM) comp.soft-sys.sas Hi,
In a repeated measure dataset, how can I deleted unwanted subjects
based on a whether they had a value of 'N' in either base1 or base2.
For example, below I only need to look at ID 1 since both 2 and 3... sas
how to retain scores3100 (3/16/2010 9:10:26 PM) comp.soft-sys.sas Hi All,
I have scores for each subject at various time points. In certain
visits, scores were missing but in others recorded.
How can I input scores where missing based on the previous score. and
when a n... sas
Proc Freq tables multiple observations024 (3/14/2010 7:21:06 PM) comp.soft-sys.sas Hi, How do I get counts using proc freq with a dataset that has many observations per ID? this is how the data looks and this is the code I am using: proc freq data=one; Table event*SEX; run; ID event ... sas