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rdb/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