TD_PACF Function Example | Teradata Vantage - TD_PACF Example - Teradata Vantage

Database Unbounded Array Framework Time Series Functions

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Teradata Vantage
Release Number
17.20
Published
June 2022
ft:locale
en-US
ft:lastEdition
2025-04-04
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ncd1634149624743.ditamap
dita:ditavalPath
ruu1634160136230.ditaval
dita:id
ncd1634149624743

TD_PACF Input Table TestPACF12

N_SeqNo BuoyID Magnitude1 Magnitude2 Magnitude3
11 33 12.0 1.0 24.0
6 33 7.0 6.0 11.0
5 33 6.0 1.0 24.0
9 33 10.0 3.0 23.0
3 33 3.0 3.0 23.0
... ... ... ... ...

Example: TD_PACF Call

EXECUTE FUNCTION INTO VOLATILE ART(pacf_water)
TD_PACF (
   SERIES_SPEC(TABLE_NAME(TestPACF12), ROW_AXIS (SEQUENCE(N_SeqNo)), SERIES_ID(BuoyID),
      PAYLOAD (FIELDS (MAGNITUDE1), CONTENT(REAL))) ,
   FUNC_PARAMS(MAXLAGS(10), UNBIASED(0), INPUT_TYPE(DATA_SERIES),
      ALGORITHM(LEVINSON_DURBIN), ALPHA(0.05)
   )
);

TD_PACF Output

SELECT TOP 10 * FROM pacf_water
BuoyID ROW_I OUT_MAGNITUDE1 CONF_OFF_MAGNITUDE1 CONF_LOW_MAGNITUDE1 CONF_HI_MAGNITUDE1
----------- ----------- ---------------------- ---------------------- ---------------------- ----------------------
33 0 1.00000000000000E 000 5.65792867038086E-001 1.00000000000000E 000 1.00000000000000E 000
33 1 7.50000000000000E-001 5.65792867038086E-001 1.84207132961914E-001 1.31579286703809E 000
33 2 -1.26873126873127E-001 5.65792867038086E-001 -6.92665993911213E-001 4.38919740164959E-001
33 3 -1.28608987779346E-001 5.65792867038086E-001 -6.94401854817432E-001 4.37183879258739E-001
33 4 -1.29424991692513E-001 5.65792867038086E-001 -6.95217858730599E-001 4.36367875345573E-001
33 5 -1.28152699655276E-001 5.65792867038086E-001 -6.93945566693361E-001 4.37640167382810E-001
33 6 -1.23019648258600E-001 5.65792867038086E-001 -6.88812515296686E-001 4.42773218779486E-001
33 7 -1.11380216037313E-001 5.65792867038086E-001 -6.77173083075398E-001 4.54412651000773E-001
33 8 -8.94788925821538E-002 5.65792867038086E-001 -6.55271759620240E-001 4.76313974455932E-001
33 9 -5.24655689061721E-002 5.65792867038086E-001 -6.18258435944258E-001 5.13327298131914E-001