Posts Tagged ‘ simulation ’

On Unpublished Software

February 9, 2012
By

sciseekclaimtoken-4f343317d3d60 I ran across this post at The Tree of Life entitled ‘Interesting new metagenomics paper w/ one big big big caveat – critical software not available”. The long and short of it? Paper appears in Science, has fancy new methodology, lacks the software for someone else to use their methodology. Blog author understandably annoyed. But...
Read more »

Tags: , , ,
Posted in SAS | Comments Off

StackExchange and CrossValidated: An Epidemiologist’s Review

September 20, 2011
By

This seems like as good a day as any to review CrossValidated, and the whole StackExchange constellation of websites. It’s been a month since I joined, exactly, and today I also crossed the 1,000 reputation threshold on the site. So why not give my impressions of it? First, how I got there in the...
Read more »

Tags: , , , , , ,
Posted in SAS | Comments Off

Sampling from a Bayesian Posterior Distribution in SAS

August 19, 2011
By
Sampling from a Bayesian Posterior Distribution in SAS

One of the things that frequently comes up in my research is the need to estimate a parameter from data, and then randomly draw samples from that parameter’s distribution to plug into another model. If you have a regular estimate from something like PROC LOGISTIC or PROC GENMOD, this is easy as pie, as...
Read more »

Tags: , ,
Posted in SAS | Comments Off

Proc Fcmp(4): Binomial tree vs. Black-Scholes model

December 12, 2010
By
Proc Fcmp(4):  Binomial tree vs. Black-Scholes model

The very truth is that SAS has limited financial functions. Thanks to SAS Institute, they finally added some option pricing functions in the base module of SAS 9.2, such as Black-Scholes put/call functions, Garman-Kohlhagen put/call functions, etc. Thu...
Read more »

Tags: , , , ,
Posted in SAS | Comments Off

Find the ‘right’ SAS functions

December 2, 2010
By
Find the ‘right’ SAS functions

How many functions SAS has? Well, it sounds like a job interview question. For SAS 9.2, by querying the system dictionary (sashelp.vfunc or dictionary.functions), the exact answer is 946, including all functions and call routines. There are two types -...
Read more »

Tags: , ,
Posted in SAS | Comments Off

Proc-x is looking for sponsors!

Dear readers, proc-x is looking for sponsors who would be willing to support the site in exchange for banner ads in the right sidebar of the site. If you are interested, please e-mail me at: [email protected]

Welcome!

SAS-X.com offers news and tutorials about the various SAS® software packages, contributed by bloggers. You are welcome to subscribe to e-mail updates, or add your SAS-blog to the site.

SAS and all other SAS Institute Inc. product or service names are registered trademarks or trademarks of SAS Institute Inc. in the USA and other countries. ® indicates USA registration.