Estimate parameters. Moved some code to re-usable functions.

[pspp-builds.git] / src / math / ChangeLog

diff --git a/src/math/ChangeLog b/src/math/ChangeLog
index 78fbfbc17183109ccf7eb6d16b981844ce0a471e..00255341949012d00e3b6ec1653b50abdb1ef3ab 100644 (file)
--- a/src/math/ChangeLog
+++ b/src/math/ChangeLog
@@ -1,3 +1,19 @@
+2008-08-17  Jason H Stover  <jhs@math.gcsu.edu>
+
+       * linreg.c (post_sweep_computations): New function to re-use the
+       re-usable. New function cache_init() to re-use the re-usable. 
+       pspp_linreg_with_cov() now estimates parameters via reg_sweep().
+
+2008-08-16  Jason H Stover  <jhs@math.gcsu.edu>
+
+       * linreg.c (pspp_linreg_with_cov): New function to estimate
+       parameters directly from covariance matrix instead of using the
+       entire data set.
+
+       * linreg.c (rearrange_covariance_matrix): New function to ensure
+       the columns of the covariance matrix correspond to the variables
+       in the model.
+
 2008-07-24   John Darrington <john@darrington.wattle.id.au>
 
        * merge.c merge.h sort.c sort.h: Removed the value_cnt associated