Implement ADD FILES and UPDATE.

[pspp-builds.git] / doc / transformation.texi

diff --git a/doc/transformation.texi b/doc/transformation.texi
index 002fb99eb8fb74ed624647f6811c24758edf552b..2a52ad17f72049b8fe4b036836a4bcd3bb3c7454 100644 (file)
--- a/doc/transformation.texi
+++ b/doc/transformation.texi
@@ -83,7 +83,7 @@ list.
 Each set must have exactly as many source variables as aggregation
 variables.  Each aggregation variable receives the results of applying
 the specified aggregation function to the corresponding source
-variable.  The MEAN, SD, and SUM aggregation functions may only be
+variable.  The MEAN, MEDIAN, SD, and SUM aggregation functions may only be
 applied to numeric variables.  All the rest may be applied to numeric
 and short and long string variables.
 
@@ -128,6 +128,9 @@ dictionary information from the source variable.
 Arithmetic mean.  Limited to numeric values.  The default format is
 F8.2.
 
+@item MEDIAN(var_name)
+The median value.  Limited to numeric values.  The default format is F8.2.
+
 @item MIN(var_name)
 Minimum value.  The aggregation variable receives the complete
 dictionary information from the source variable.
@@ -505,8 +508,8 @@ src_value matches any user- or system-missing value.  SYSMIS matches the
 system missing value only.  ELSE is a catch-all that matches anything.
 It should be the last src_value specified.
 
-Numeric and string dest_value's should also be self-explanatory.  COPY
-causes the input values to be copied to the output.  This is only value
+Numeric and string dest_value's should be self-explanatory.  COPY
+causes the input values to be copied to the output.  This is only valid
 if the source and target variables are of the same type.  SYSMIS
 indicates the system-missing value.