<casaxml xsi:schemaLocation="http://casa.nrao.edu/schema/casa.xsd file:///opt/casa/code/xmlcasa/xml/casa.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://casa.nrao.edu/schema/psetTypes.html">
<task category="information, calibration" name="calstat" type="function">
<shortdescription>Displays statistical information on a calibration table</shortdescription>
This task returns statistical information about a column in a
calibration table. The following values are computed: mean value, sum
of values, sum of squared values, median, median absolute deviation,
quartile, minimum, maximum, variance, standard deviation, root mean
<param mustexist="true" name="caltable" type="path">
<shortdescription>Name of input calibration table</shortdescription>
<description>Name of input calibration table
Example: vis='ggtau.1mm.amp.gcal'
<param name="axis" type="string">
<shortdescription>Which values to use</shortdescription>
<description>Which data to analyze.
Options: 'amp', 'amplitude', 'phase', 'real',
'imag', 'imaginary'. Also, the name of any real
valued MS column can be given, e.g. TIME,
POLY_COEFF_AMP, REF_ANT, ANTENNA1, FLAG, ...
Note: the phase of a complex number is in
radians in the range [-pi; pi].
<value type="string">amplitude</value>
<param subparam="true" name="datacolumn" type="string">
<shortdescription>Which data column to use</shortdescription>
<description>Which data column to use if axis is 'amp', 'amplitude', 'phase', 'real', 'imag' or 'imaginary'.
<value type="string">gain</value>
<equals value="amp" type="string">
<default param="datacolumn"><value type="string">gain</value></default>
<equals value="amplitude" type="string">
<default param="datacolumn"><value type="string">gain</value></default>
<equals value="phase" type="string">
<default param="datacolumn"><value type="string">gain</value></default>
<equals value="real" type="string">
<default param="datacolumn"><value type="string">gain</value></default>
<equals value="imag" type="string">
<default param="datacolumn"><value type="string">gain</value></default>
<equals value="imaginary" type="string">
<default param="datacolumn"><value type="string">gain</value></default>
For more information, see the task pages of calstat in CASA Docs:
https://casa.nrao.edu/casadocs/