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<title>ploticus: proc defineunits</title>
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  <td><br><h2>proc defineunits</h2></td>
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.TH proc_defineunits PL "18-JUN-2001   PL www.sgpr.net"

.SH DESCRIPTION
\fBproc defineunits\fR may be used to explicitly
set a certain type of scaling unit (such as date or time)
for an axis.
Usually \fBproc areadef\fR takes care of this; however
\fBproc defineunits\fR may be needed in situations where
\fBproc tabulate\fR or \fBproc autoscale\fR
are to be invoked before \fBproc areadef\fR, or to
change scaling without setting up a new area.

.SH EXAMPLE
A Gallery example where this is used is
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 quarters 
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.SH MANDATORY ATTRIBUTES
The \fCaxis\fR and \fCunits\fR attributes must be specified.

.SH ATTRIBUTES
.LP
\fBaxis\fR \fCx\fR | \fCy\fR
.IP
The axis to which we are binding a type of scaling unit.

.LP
\fBunits\fR \fIscaleunit\fR
.IP
The type of scaling to be used.
For a list of available scale unit types see 
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scaleunits
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.br
Example: \fCunits: yymm\fR

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