visstat2 – Displays statistical information from a Measurement Set, or from a Multi-MS – information task
Description
Parameters
Parameter |
Default |
Description |
|---|---|---|
vis |
|
|
axis |
|
|
datacolumn |
|
|
useflags |
|
|
spw |
|
|
field |
|
|
selectdata |
|
|
antenna |
|
|
uvrange |
|
|
timerange |
|
|
correlation |
|
|
scan |
|
|
array |
|
|
observation |
|
|
timeaverage |
|
|
timebin |
|
|
timespan |
|
|
maxuvwdistance |
|
|
disableparallel |
|
|
ddistart |
|
|
taql |
|
|
monolithic_processing |
|
|
intent |
|
|
reportingaxes |
|
|
xstat |
|
Parameter Explanations
vis
''
Name of Measurement Set or Multi-MS
axis
'amplitude'
Which values to use
datacolumn
'data'
Which data column to use (data, corrected, model, float_data)
useflags
True
Take flagging into account?
spw
''
spectral-window/frequency/channel
field
''
Field names or field index numbers: ''==>all, field='0~2,3C286'
selectdata
True
More data selection parameters (antenna, timerange etc)
antenna
''
antenna/baselines: ''==>all, antenna = '3,VA04'
uvrange
''
uv range: ''==>all; uvrange = '0~100klambda', default units=meters
timerange
''
time range: ''==>all, timerange='09:14:0~09:54:0'
correlation
''
Select data based on correlation
scan
''
scan numbers: ''==>all
array
''
(sub)array numbers: ''==>all
observation
''
observation ID number(s): '' = all
timeaverage
False
Average data in time.
timebin
'0s'
Bin width for time averaging.
timespan
''
Span the timebin across scan, state or both.
maxuvwdistance
float(0.0)
Maximum separation of start-to-end baselines that can be included in an average. (meters)
disableparallel
False
Hidden parameter for internal use only. Do not change it!
ddistart
int(-1)
Hidden parameter for internal use only. Do not change it!
taql
''
Table query for nested selections
monolithic_processing
False
Hidden parameter for internal use only. Do not change it!
intent
''
Select data by scan intent.
reportingaxes
'ddid'
Which reporting axis to use (ddid, field, integration)
xstat
[ ]
Statistical information for the selected measurement set