visstat – Displays statistical information from a MeasurementSet, or from a Multi-MS – information task

Description

Parameters

Title
Parameter	Default	Description
vis	`''`	Name of MeasurementSet or Multi-MS
axis	`'amplitude'`	Values on which to compute statistics
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)

Parameter Explanations

vis

''

Name of MeasurementSet or Multi-MS

axis

'amplitude'

Values on which to compute statistics

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)