Added linear regression

[pspp-builds.git] / NEWS

diff --git a/NEWS b/NEWS
index a8398ee952fd1f6dd3c1b3b767a7333ec7ffdb91..535fd05d031645bc3e02a225bf8cba3c15efa0e9 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,33 +1,26 @@
 PSPP NEWS -- history of user-visible changes.
 PSPP NEWS -- history of user-visible changes.

-Time-stamp: <2005-05-02 22:40:58 blp>
+Time-stamp: <2005-07-24 20:23:41 blp>

 Copyright (C) 1996-9, 2000 Free Software Foundation, Inc.
 See the end for copying conditions.
 
 Please send PSPP bug reports to bug-gnu-pspp@gnu.org.
 \f
 Copyright (C) 1996-9, 2000 Free Software Foundation, Inc.
 See the end for copying conditions.
 
 Please send PSPP bug reports to bug-gnu-pspp@gnu.org.
 \f

-Preliminary list of changes from 0.3.1  to 0.3.2:
+Changes from 0.3.0 to 0.4.0:

 
 

-  PSPP now reads and writes system files compatible with spssV12.
+  Changes in build dependencies:

 
 

-  New commands:   VARIABLE WIDTH, VARIABLE ALIGNMENT, VARIABLE LEVEL.
-
-Preliminary list of changes from 0.3.0 to 0.3.1:
-
-  New build dependencies:
-
-    * The GNU Scientific Library (libgsl), version 1.6 or later.
-
-    * The GNU multiprecision arithmetic library (libgmp).
+    * The GNU Scientific Library (libgsl), version 1.6 or later, is
+      now required.

 
     * libplot from GNU plotutils is optional.  Without it, the new
       graphing features will not work.  If you do not have it
       installed, you must run `configure' with --without-libplot.
 
 
     * libplot from GNU plotutils is optional.  Without it, the new
       graphing features will not work.  If you do not have it
       installed, you must run `configure' with --without-libplot.
 

-  Newly implemented commands and statistical features:
+    * libgmp2 is no longer a dependency.

 
 

-    * DATE (as a stub, to enhance compatibility).
+  Newly implemented commands and statistical features:

 
 

-    * EXAMINE.
+    * EXAMINE, including its graphing features.

 
     * FREQUENCIES now supports percentiles.
 
 
     * FREQUENCIES now supports percentiles.
 


@@ -37,9 +30,31 @@ Preliminary list of changes from 0.3.0 to 0.3.1:
 
     * SHOW.
 
 
     * SHOW.
 

+    * SORT CASES now sorts stably, that is, two cases with equal sort
+      criteria will be in the same relative order before and after the
+      sort.
+

     * T-TEST (re-written).
 
     * T-TEST (re-written).
 

-    * USE (as a stub, to enhance compatibility).
+    * DATE and USE.  These commands are parsed but otherwise ignored,
+      to enhance compatibility with certain command files that invoke
+      them unnecessarily.
+
+    * VARIABLE WIDTH, VARIABLE ALIGNMENT, and VARIABLE LEVEL.  These
+      currently have no effect on PSPP output, but their values are
+      written to and read from system files and thus may affect
+      third-party software.
+
+    * SET EPOCH implemented.
+
+    * DATA LIST FREE and DATA LIST LIST now support arbitrary field
+      delimiters.
+
+    * FILE HANDLE now supports custom tab widths.
+
+  Long variable names (and other identifiers) are now supported.  Up
+  to the first 64 bytes of each identifier is significant.  PSPP now
+  reads and writes system files compatible with SPSS version 12.

 
   New --algorithm and --syntax command line options allow
   SPSS-compatible or enhanced modes to be selected.
 
   New --algorithm and --syntax command line options allow
   SPSS-compatible or enhanced modes to be selected.


@@ -48,24 +63,38 @@ Preliminary list of changes from 0.3.0 to 0.3.1:
   significantly improved.  Refer to the manual for details.
 
   Calculation of moments (mean, standard deviation, kurtosis,
   significantly improved.  Refer to the manual for details.
 
   Calculation of moments (mean, standard deviation, kurtosis,

-  skewness) has been rewritten and should now be more accurate.
+  skewness) has been rewritten and should now be more accurate.  In
+  --algorithm=enhanced mode moments may be more accurate than SPSS in
+  some cases.

 
   Numerous bugs have been fixed, too many to mention here.  Many new
   tests have been added, leading to the discovery and fixing of many
   of these bugs.
 
 
   Numerous bugs have been fixed, too many to mention here.  Many new
   tests have been added, leading to the discovery and fixing of many
   of these bugs.
 

-  ASCII driver can now squeeze multiple blank lines into single blank
-  lines.
+  The ASCII output driver can now squeeze multiple blank lines into
+  single blank lines.

 
   Much of the code has been rewritten and refactored.  It is now much
   cleaner.
 
 
   Much of the code has been rewritten and refactored.  It is now much
   cleaner.
 

-  lib/julcal has been removed.
+  The FILE TYPE and REPEATING DATA commands have been disabled for
+  this release because their implementations were deemed too buggy to
+  be useful.  They will be fixed and replaced in a future release.
+
+  New pspp-mode for Emacs (in pspp-mode.el).
+
+  Added rudimentary command-line completion for interactive input.
+
+  lib/julcal and lib/dcdflib are no longer used, so they have been
+  removed.

 
   For developers, the build system now requires Autoconf 2.58 and
   Automake 1.7.  The included gettext has been updated to version
   0.12.1.
 
 
   For developers, the build system now requires Autoconf 2.58 and
   Automake 1.7.  The included gettext has been updated to version
   0.12.1.
 

+  Some reports state that Texinfo 4.8, the latest version, may be
+  necessary to successfully format the documentation on some systems.
+

 Version 0.3.0 changes since 0.2.3:
 
   Bugs fixed:
 Version 0.3.0 changes since 0.2.3:
 
   Bugs fixed: