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AGGREGATE's sort is stable.
author
Ben Pfaff
<blp@gnu.org>
Sat, 19 Mar 2005 21:05:10 +0000
(21:05 +0000)
committer
Ben Pfaff
<blp@gnu.org>
Sat, 19 Mar 2005 21:05:10 +0000
(21:05 +0000)
doc/transformation.texi
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diff --git
a/doc/transformation.texi
b/doc/transformation.texi
index 9225ca80009fb325b71206114aff0c12ea2b962c..d94c1366e63621211aad53e990e6246e9e16145f 100644
(file)
--- a/
doc/transformation.texi
+++ b/
doc/transformation.texi
@@
-103,6
+103,9
@@
format is F5.3.
@item FIRST(var_name)
First non-missing value in break group. The aggregation variable
receives the complete dictionary information from the source variable.
@item FIRST(var_name)
First non-missing value in break group. The aggregation variable
receives the complete dictionary information from the source variable.
+The sort performed by AGGREGATE (and by SORT CASES) is stable, so that
+the first case with particular values for the break variables before
+sorting will also be the first case in that break group after sorting.
@item FOUT(var_name, low, high)
Fraction of values strictly outside the specified range of constants.
@item FOUT(var_name, low, high)
Fraction of values strictly outside the specified range of constants.
@@
-111,6
+114,9
@@
The default format is F5.3.
@item LAST(var_name)
Last non-missing value in break group. The aggregation variable
receives the complete dictionary information from the source variable.
@item LAST(var_name)
Last non-missing value in break group. The aggregation variable
receives the complete dictionary information from the source variable.
+The sort performed by AGGREGATE (and by SORT CASES) is stable, so that
+the last case with particular values for the break variables before
+sorting will also be the last case in that break group after sorting.
@item MAX(var_name)
Maximum value. The aggregation variable receives the complete
@item MAX(var_name)
Maximum value. The aggregation variable receives the complete