center the data before computing the coefficients; remove variance member of innovati...

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

diff --git a/src/math/ts/ChangeLog b/src/math/ts/ChangeLog
index 18948856e396b492310c850e1eb6712c75b24ff7..a353ffce1a5f3f51c635762fab5edb5e5fe79352 100644 (file)
--- a/src/math/ts/ChangeLog
+++ b/src/math/ts/ChangeLog
@@ -2,6 +2,8 @@
 
        * innovations.c (get_coef): Fixed diagonal elements and call to
        innovations_convolve().
+       (subtract_mean): New function. Subtract the mean before computing
+       the coefficients.
 
 2006-07-15  Jason Stover  <jhs@math.gcsu.edu>