Rdb: Ruby-Nachbau der MWC /rdb-Werkzeuge

man/mean.man

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+.TH mean "" "" "/rdb Command"
+.PC "Display the mean of a column"
+\fBmean [ \-l ] [ \fIcolumn ... \fB]  < \fItable\fR
+.PP
+.II "column^mean value"
+.B mean
+displays the mean value of each
+.IR column .
+If no
+.I column
+appears on the command line,
+.B mean
+returns the mean value for each column in
+.IR table .
+.PP
+.B mean
+assign the value of zero to a blank line.
+This changes the value of the mean.
+If that is not what you want, use the command
+.B rmblanks
+or
+.B "compress \-b"
+to remove blank lines.
+.B mean
+also treats blank values as zero
+.PP
+The option \fB\-l\fR
+prints the contents of the table, as well as the mean value for each
+named column.
+.SH Example
+For an example of this command, see the entry for
+.BR total .
+.SH "See Also"
+.B
+maximum,
+minimum
+.R