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PSPP NEWS -- history of user-visible changes. |
PSPP NEWS -- history of user-visible changes. |
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Time-stamp: <2005-05-02 22:40:58 blp> |
Time-stamp: <2005-07-03 21:25:56 blp> |
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Copyright (C) 1996-9, 2000 Free Software Foundation, Inc. |
Copyright (C) 1996-9, 2000 Free Software Foundation, Inc. |
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See the end for copying conditions. |
See the end for copying conditions. |
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Please send PSPP bug reports to bug-gnu-pspp@gnu.org. |
Please send PSPP bug reports to bug-gnu-pspp@gnu.org. |
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Preliminary list of changes from 0.3.1 to 0.3.2: |
Changes from 0.3.0 to 0.4.0: |
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PSPP now reads and writes system files compatible with spssV12. |
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New commands: VARIABLE WIDTH, VARIABLE ALIGNMENT, VARIABLE LEVEL. |
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Preliminary list of changes from 0.3.0 to 0.3.1: |
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New build dependencies: |
New build dependencies: |
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Newly implemented commands and statistical features: |
Newly implemented commands and statistical features: |
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* DATE (as a stub, to enhance compatibility). |
* EXAMINE, including its graphing features. |
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* EXAMINE. |
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* FREQUENCIES now supports percentiles. |
* FREQUENCIES now supports percentiles. |
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* SHOW. |
* SHOW. |
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* SORT CASES now sorts stably, that is, two cases with equal sort |
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criteria will be in the same relative order before and after the |
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sort. |
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* T-TEST (re-written). |
* T-TEST (re-written). |
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* USE (as a stub, to enhance compatibility). |
* DATE and USE. These commands are parsed but otherwise ignored, |
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to enhance compatibility with certain command files that invoke |
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them unnecessarily. |
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* VARIABLE WIDTH, VARIABLE ALIGNMENT, and VARIABLE LEVEL. These |
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currently have no effect on PSPP output, but their values are |
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written to and read from system files and thus may affect |
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third-party software. |
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* SET EPOCH implemented. |
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* DATA LIST FREE and DATA LIST LIST now support arbitrary field |
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delimiters. |
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* FILE HANDLE now supports custom tab widths. |
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Long variable names (and other identifiers) are now supported. Up |
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to the first 64 bytes of each identifier is significant. PSPP now |
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reads and writes system files compatible with SPSS version 12. |
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New --algorithm and --syntax command line options allow |
New --algorithm and --syntax command line options allow |
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SPSS-compatible or enhanced modes to be selected. |
SPSS-compatible or enhanced modes to be selected. |
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significantly improved. Refer to the manual for details. |
significantly improved. Refer to the manual for details. |
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Calculation of moments (mean, standard deviation, kurtosis, |
Calculation of moments (mean, standard deviation, kurtosis, |
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skewness) has been rewritten and should now be more accurate. |
skewness) has been rewritten and should now be more accurate. In |
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--algorithm=enhanced mode moments may be more accurate than SPSS in |
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some cases. |
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Numerous bugs have been fixed, too many to mention here. Many new |
Numerous bugs have been fixed, too many to mention here. Many new |
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tests have been added, leading to the discovery and fixing of many |
tests have been added, leading to the discovery and fixing of many |
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of these bugs. |
of these bugs. |
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ASCII driver can now squeeze multiple blank lines into single blank |
The ASCII output driver can now squeeze multiple blank lines into |
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lines. |
single blank lines. |
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Much of the code has been rewritten and refactored. It is now much |
Much of the code has been rewritten and refactored. It is now much |
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cleaner. |
cleaner. |
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lib/julcal has been removed. |
The FILE TYPE and REPEATING DATA commands have been disabled for |
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this release because their implementations were deemed too buggy to |
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be useful. They will be fixed and replaced in a future release. |
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New pspp-mode for Emacs (in pspp-mode.el). |
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Added rudimentary command-line completion for interactive input. |
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lib/julcal and lib/dcdflib are no longer used, so they have been |
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removed. |
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For developers, the build system now requires Autoconf 2.58 and |
For developers, the build system now requires Autoconf 2.58 and |
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Automake 1.7. The included gettext has been updated to version |
Automake 1.7. The included gettext has been updated to version |