Increase the version in the grouping tool due to previously changed output, change the output and increase the version of the gsummary tool.

tools/stats/grouping.xml

@@ -1,4 +1,4 @@
-<tool id="Grouping1" name="Group" version="1.2.0">
+<tool id="Grouping1" name="Group" version="1.3.0">
   <description>data by a column and perform aggregate operation on other columns.</description>
   <command interpreter="python">
     grouping.py 

tools/stats/gsummary.py

@@ -100,7 +100,7 @@ def main():
             stop_err( "Computation resulted in the following error: %s" % str( s ) )
         summary = summary.as_py( BASIC_CONVERSION )
         outfile.write( "#%s\n" % headings_str )
-        outfile.write( "%s\n" % "\t".join( [ "%.3f" % ( summary[ k ] ) for k in headings ] ) )
+        outfile.write( "%s\n" % "\t".join( [ "%g" % ( summary[ k ] ) for k in headings ] ) )
         outfile.close()
 
         if skipped_lines:

tools/stats/gsummary.xml

@@ -1,4 +1,4 @@
-<tool id="Summary_Statistics1" name="Summary Statistics">
+<tool id="Summary_Statistics1" name="Summary Statistics" version="1.1.0">
   <description>for any numerical column</description>
   <command interpreter="python">gsummary.py $input $out_file1 "$cond"</command>
   <inputs>