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Diffstat (limited to 'gsl-1.9/statistics/ChangeLog')
| -rw-r--r-- | gsl-1.9/statistics/ChangeLog | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/gsl-1.9/statistics/ChangeLog b/gsl-1.9/statistics/ChangeLog new file mode 100644 index 0000000..43a04ed --- /dev/null +++ b/gsl-1.9/statistics/ChangeLog @@ -0,0 +1,118 @@ +2006-01-07 Brian Gough <bjg@network-theory.co.uk> + + * test_float_source.c: additional tests for NaNs + + * minmax_source.c: handle NaNs correctly, if any element is NaN + then the max and min are NaN + +Sat Jul 15 12:23:09 2000 Brian Gough <bjg@network-theory.co.uk> + + * test_nist.c: added url/reference to the original NIST datasets + +Thu May 4 15:11:11 2000 Brian Gough <bjg@network-theory.co.uk> + + * covariance.c: added covariance function + +Wed Mar 8 15:29:19 2000 Brian Gough <bjg@network-theory.co.uk> + + * Function Name Reorganization: The function suffix "_with_mean" + has been changed to "_m", the function suffix "_with_mean_and_sd" + has been changed to "_m_sd". The variance function est_variance + has been changed to simply _variance, (similarly for est_sd, which + is now _sd), while the function _variance is now + _variance_with_fixed_mean (and _sd is _sd_with_fixed_mean). + +Wed Mar 1 11:09:21 2000 Brian Gough <bjg@network-theory.co.uk> + + * wabsdev.c wabsdev_source.c wkurtosis.c wkurtosis_source.c + wmean.c wmean_source.c wskew.c wskew_source.c wvariance.c + wvariance_source.c: added support for weighted statistics + + * removed source.h (no longer used) + +Tue Feb 29 10:35:23 2000 Brian Gough <bjg@network-theory.co.uk> + + * changed arguments of pvariance and ttest to have consistent form + (DATA,STRIDE,SIZE) + +Mon Feb 28 20:29:08 2000 Brian Gough <bjg@network-theory.co.uk> + + * removed sort function since this is now available in the sort + directory. + + * converted all functions to take a stride argument, in + preparation for supporting statistics on vectors + +1998-11-06 <bjg@ancho.lanl.gov> + + * test.c: added prototype for memcpy using #include <string.h> + +Wed Aug 12 12:34:24 1998 Brian Gough <bjg@vvv.lanl.gov> + + * quantiles.c: Renamed percentile to quantile throughout. This is + the correct name for the quantity, mathematically speaking. + +Wed Aug 5 12:34:58 1998 Brian Gough <bjg@vvv.lanl.gov> + + * mkheaders.pl: script to generate all the headers from + gsl_statistics_int.h + + * test.h: removed test.h, not needed + + * test.c: added tests for all types + + * converted functions to use 'long double' for internal calculations, + for extra range. + + * converted all the functions to use templates_on.h and + templates_off.h + +Mon Jun 1 23:47:23 1998 Brian Gough <bjg@vvv.lanl.gov> + + * lag1_source.c: added a new function to compute the + lag1-autocorrelation + + * test_nist.c: added some numerical accuracy tests from NIST + +Fri Apr 10 15:11:51 1998 Brian Gough <bjg@vvv.lanl.gov> + + * renamed pooled_variance.c, etc to p_variance to avoid linker + complaints about long filenames on some platforms + +Wed Apr 8 18:11:48 1998 Brian Gough <bjg@vvv.lanl.gov> + + * Added a new recurrence algorithm for the mean, variance, skew + and kurtosis. It uses a running value which is less likely to + overflow than a global sum. + +Mon Mar 30 22:18:59 1998 Brian Gough <bjg@vvv.lanl.gov> + + * completely reorganised the source system to use macros as + a primitive form of templates. + +Sun Mar 29 16:25:24 1998 Brian Gough <bjg@vvv.lanl.gov> + + * make everything const where possible (to reduce the chance of errors) + +Sun Mar 22 23:34:05 1998 Brian Gough <bjg@vvv.lanl.gov> + + * skew.c: compute the skewness of a dataset + + * percentiles.c: find a given percentile from a sorted dataset + + * minmax.c: allow the user to find the indices of the max/min + data points, in addition to the max/min values + + * median.c: compute the median of a sorted dataset + + * kurtosis.c: compute the kurtosis + + * absdev.c: compute absolute deviations + + * split statistics functions into double versions (gsl_stats) and + integer versions (gsl_stats_int). There is a script + (convert_double_to_int.pl) to make the integer versions from the + double versions. + + + |