Working with SAS macro variables

Posted by & filed under Statistics.

Believe it or not, I recently had to use SAS for a simulation study because it was the only system available that could maximize the exact partial likelihood of a Cox proportional hazards model for tied data (ties=exact) in a reasonable amount of time for a data set of 2,000 observations. This was the first… Read more »

flags for compiling source code: pkg-config command

Posted by & filed under Coding, Linux, Mac OS X.

so i was trying to compile some C code on my server at school that involves the math and the GNU Scientific Library (gsl) libraries. that is, the source has the following lines: #include <stdio.h> #include <math.h> #include <gsl/gsl_integration.h> those link the header files. however, when compiling, gcc would complain that they can’t see functions… Read more »

Sage (again): everything math

Posted by & filed under Statistics.

I blogged about Sage in the past and stated that I won’t be using it much since R is my language/environment of choice. This is still true, but I wanted to write a few more comments about Sage after toying with it a bit more. Sage is based on Python (good!) and its mission statement… Read more »