Thursday, May 20, 2010

SAS command line

"C:\Program Files\SAS\SAS 9.1\sas" 1.sas -log "1.log.txt" -print "1.result.txt"

SAS IO

/*===========================
export;
===========================*/

Thursday, May 13, 2010

matching program

Case control matching, probably implementing the idea of propensity scores
R
matchIT
Matching
optmatch optmatch presentation1; optmatch presentation2;

SAS
gmatch,vmatch,dist
a sugi paper 165-29: Performing a 1:N Case-Control Match on Propensity Score

PaperOn the Estimation and Use of Propensity Scores in Case-Control and Case-Cohort Studies
[using] cases plus controls in a case-control study... should give consistent estimates of the true propensity score under the null hypothesis, but not otherwise.

Tuesday, May 11, 2010

good clinical trial simulation practices

http://cdds.ucsf.edu/research/sddgpreport.php#_Toc457223476

link function for proc logistic

SAS use the following options to explicitly decide whether the endpoint is ordinal or nomial

Monday, May 10, 2010

A Draft Sequence of the Neandertal Genome.

http://www.researchblogging.org/post/gotourl/id/213933
http://www.researchblogging.org/post/gotourl/id/213689
http://www.researchblogging.org/post/gotourl/id/213509

Viagra could help women too

http://www.helenjaques.co.uk/blog/2010/viagra-breast-cancer-drug-delivery/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Insicknessandinhealth+%28In+sickness+and+in+health%29

Researchers in California have shown that sildenafil (Viagra) and a similar drug called vardenafil can improve the delivery of the chemotherapeutic drug Herceptin (trastuzumab) in women with breast cancer that has spread to the brain.

PubMed vs. Google Scholar

http://www.researchblogging.org/post/gotourl/id/214477
http://neurodojo.blogspot.com/2010/05/pubmed-vs-google-scholar.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Neurodojo+%28NeuroDojo%29

Antidepressants Not Effective for Some Types of Depression

http://www.researchblogging.org/post/gotourl/id/214478
http://brainblogger.com/2010/05/10/antidepressants-not-effective-for-some-types-of-depression/