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<h2><b>spectro/average</b></h2>
<h3>Summary</h3>
Average or merge two or more <a href="File_Formats.html#.ti3">.ti3</a>
measurement files.<br>
If only one input file is provided, all the patches with the same
device values will be average together.<br>
<h3>Usage</h3>
<small><span style="font-family: monospace;"></span></small><small>
<span style="font-family: monospace;"></span></small><small><span
style="font-family: monospace;"></span></small><span
style="font-family: monospace;">usage: average [-options]
input1.ti3 input2.ti3 ... output.ti3</span><br style="font-family:
monospace;">
<span style="font-family: monospace;"> -v
Verbose</span><br>
<span style="font-family: monospace;"> -e
Median rather than average</span><br>
<tt> -g
Geometric Median of PCS in encoded space</tt><tt><br>
</tt><tt> -L
Geometric Median of PCS in L*a*b* space</tt><tt><br>
</tt><tt> -X
Geometric Median of PCS in XYZ space</tt><br>
<span style="font-family: monospace;"> -m
Merge
rather than average</span><br style="font-family: monospace;">
<span style="font-family: monospace;"> input1.ti3
First
input file</span><br style="font-family: monospace;">
<span style="font-family: monospace;"> input2.ti3
Second
input file</span><br style="font-family: monospace;">
<span style="font-family: monospace;"> ...
etc.</span><br style="font-family: monospace;">
<span style="font-family: monospace;"> output.ti3
Resulting
averaged or merged output file</span><br>
<br>
<br>
All keywords and other table data will be taken from the first input
file. By default the input files are averaged, but they can be
merged by using the <span style="font-weight: bold;">-m</span>
flag.<br>
<br>
The fields must be the same and in the same order. For averaging,
the device values must be the same and in the same order.<br>
<br>
If the <b>-e</b> option is used, then the independent median (i.e.
Marginal median) of the field values is used, rather than the
average. <br>
<br>
If the<b> </b><b>-g</b> option is used, then <a
href="https://en.wikipedia.org/wiki/Geometric_median">Geometric
Median</a> of PCS values is computed in their encoded space (i.e.
XYZ or L*a*b*).<br>
<br>
If the <b>-L</b> option is used, then Geometric Median of PCS
values is computed in L*a*b* space.<br>
<br>
If the <b>-X</b> option is used, then Geometric Median of PCS
values is computed in XYZ space.<br>
<br>
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