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2008-07-03 Brian Gough <bjg@hp2.network-theory.co.uk>
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* Makefile.am (INCLUDES): use top_srcdir instead of top_builddir
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2007-10-02 Brian Gough <bjg@network-theory.co.uk>
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* variance_source.c: added functions for sum of squares and
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weighted sum of squares
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2006-01-07 Brian Gough <bjg@network-theory.co.uk>
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* test_float_source.c: additional tests for NaNs
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* minmax_source.c: handle NaNs correctly, if any element is NaN
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then the max and min are NaN
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Sat Jul 15 12:23:09 2000 Brian Gough <bjg@network-theory.co.uk>
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* test_nist.c: added url/reference to the original NIST datasets
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Thu May 4 15:11:11 2000 Brian Gough <bjg@network-theory.co.uk>
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* covariance.c: added covariance function
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Wed Mar 8 15:29:19 2000 Brian Gough <bjg@network-theory.co.uk>
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* Function Name Reorganization: The function suffix "_with_mean"
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has been changed to "_m", the function suffix "_with_mean_and_sd"
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has been changed to "_m_sd". The variance function est_variance
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has been changed to simply _variance, (similarly for est_sd, which
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is now _sd), while the function _variance is now
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_variance_with_fixed_mean (and _sd is _sd_with_fixed_mean).
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Wed Mar 1 11:09:21 2000 Brian Gough <bjg@network-theory.co.uk>
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* wabsdev.c wabsdev_source.c wkurtosis.c wkurtosis_source.c
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wmean.c wmean_source.c wskew.c wskew_source.c wvariance.c
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wvariance_source.c: added support for weighted statistics
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* removed source.h (no longer used)
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Tue Feb 29 10:35:23 2000 Brian Gough <bjg@network-theory.co.uk>
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* changed arguments of pvariance and ttest to have consistent form
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(DATA,STRIDE,SIZE)
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Mon Feb 28 20:29:08 2000 Brian Gough <bjg@network-theory.co.uk>
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* removed sort function since this is now available in the sort
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directory.
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* converted all functions to take a stride argument, in
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preparation for supporting statistics on vectors
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1998-11-06 <bjg@ancho.lanl.gov>
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* test.c: added prototype for memcpy using #include <string.h>
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Wed Aug 12 12:34:24 1998 Brian Gough <bjg@vvv.lanl.gov>
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* quantiles.c: Renamed percentile to quantile throughout. This is
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the correct name for the quantity, mathematically speaking.
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Wed Aug 5 12:34:58 1998 Brian Gough <bjg@vvv.lanl.gov>
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* mkheaders.pl: script to generate all the headers from
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gsl_statistics_int.h
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* test.h: removed test.h, not needed
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* test.c: added tests for all types
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* converted functions to use 'long double' for internal calculations,
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for extra range.
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* converted all the functions to use templates_on.h and
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templates_off.h
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Mon Jun 1 23:47:23 1998 Brian Gough <bjg@vvv.lanl.gov>
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* lag1_source.c: added a new function to compute the
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lag1-autocorrelation
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* test_nist.c: added some numerical accuracy tests from NIST
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Fri Apr 10 15:11:51 1998 Brian Gough <bjg@vvv.lanl.gov>
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* renamed pooled_variance.c, etc to p_variance to avoid linker
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complaints about long filenames on some platforms
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Wed Apr 8 18:11:48 1998 Brian Gough <bjg@vvv.lanl.gov>
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* Added a new recurrence algorithm for the mean, variance, skew
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and kurtosis. It uses a running value which is less likely to
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overflow than a global sum.
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Mon Mar 30 22:18:59 1998 Brian Gough <bjg@vvv.lanl.gov>
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* completely reorganised the source system to use macros as
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a primitive form of templates.
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Sun Mar 29 16:25:24 1998 Brian Gough <bjg@vvv.lanl.gov>
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* make everything const where possible (to reduce the chance of errors)
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Sun Mar 22 23:34:05 1998 Brian Gough <bjg@vvv.lanl.gov>
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* skew.c: compute the skewness of a dataset
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* percentiles.c: find a given percentile from a sorted dataset
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* minmax.c: allow the user to find the indices of the max/min
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data points, in addition to the max/min values
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* median.c: compute the median of a sorted dataset
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* kurtosis.c: compute the kurtosis
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* absdev.c: compute absolute deviations
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* split statistics functions into double versions (gsl_stats) and
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integer versions (gsl_stats_int). There is a script
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(convert_double_to_int.pl) to make the integer versions from the
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double versions.
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