X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Flinreg%2FChangeLog;h=a93f3b3fc23c9674f478799eebf797021a3881d9;hb=b5b474193e450bba97610065df0518c08074a7fb;hp=d5cf40fc94d13f17ae2cb3416e077472f663b3c2;hpb=2e5ba1599578af2f13aa483db3ee49d591aed42f;p=pspp-builds.git diff --git a/src/math/linreg/ChangeLog b/src/math/linreg/ChangeLog index d5cf40fc..a93f3b3f 100644 --- a/src/math/linreg/ChangeLog +++ b/src/math/linreg/ChangeLog @@ -1,3 +1,47 @@ +2008-04-06 Jason Stover + + * linreg.c (pspp_linreg): For the QR method of getting the least + squares estimates, store intercept in cache->intercept + instead of coefficienc structure. Partial fix of bug 22788. + +2008-03-10 Jason Stover + + * linreg.c (pspp_linreg): Remove use of coefficient 0 as intercept. + +2008-03-08 Jason Stover + + * linreg.c (pspp_linreg_get_vars): Clean up the loop that searches + for coefficient/variable matches. Fix for bug 22419. + +2008-02-28 Jason Stover + + * linreg.c (has_coefficient): New function. + + * linreg.c (pspp_linreg_predict): Fix bug 22419. + +2007-09-21 Jason Stover + + * linreg.c (pspp_linreg_cache_free): Partial fix of memory leak, + bug 21056. + +2007-08-11 Jason Stover + + * linreg.h (enum): Dropped ambiguous PSPP_LINREG_SVD in favor of + PSPP_LINREG_QR. Added PSPP_LINREG_CONDITIONAL_INVERSE. + + * linreg.c (pspp_linreg): Added scope and comment for use of + generalized inverse to solve normal equations. + +2007-04-12 Jason Stover + + * linreg.c: (pspp_linreg_cache_free) Check for null pointer before + freeing. + +Wed Dec 6 21:16:22 2006 Ben Pfaff + + * linreg.c: (pspp_linreg_get_vars) Compare variable pointers + instead of variable indexes. + 2006-05-19 Jason Stover * coefficient.c: Moved to src/math.