Vector Example - Analytics Database

Database Analytic Functions

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Analytics Database
Release Number
17.20
Published
June 2022
ft:locale
en-US
ft:lastEdition
2025-01-20
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gjn1627595495337.ditamap
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jmh1512506877710
Product Category
Teradata Vantageā„¢

InputTable

DROP TABLE table input_table_udt;
CREATE MULTISET TABLE input_table_udt(id INTEGER, array_col Vector) PRIMARY INDEX ( id );
INSERT INTO input_table_udt values(1, '1, 1');
INSERT INTO input_table_udt values(2, '2, 2');
INSERT INTO input_table_udt values(3, '8, 8');
INSERT INTO into input_table_udt values(4, '9, 9');
id array_col
1 1.000000000000000,1.000000000000000
2 2.000000000000000,2.000000000000000
3 8.000000000000000,8.000000000000000
4 9.000000000000000,9.000000000000000

Output: kmeans_model_udt (Generated using TD_KMeans)

td_clusterid_kmeans array_col td_size_kmeans td_withinss_kmeans id td_modelinfo_kmeans
0 1.500000000000000,1.500000000000000 2 1.000000000000000E 000 NULL NULL
1 8.500000000000000,8.500000000000000 2 1.000000000000000E 000 NULL NULL
NULL NULL NULL NULL NULL Converged: true
NULL NULL NULL NULL NULL Number of Iterations: 2
NULL NULL NULL NULL NULL Number of Clusters: 2
NULL NULL NULL NULL NULL Total_WithinSS : 2.00000000000000E+00
NULL NULL NULL NULL NULL Between_SS : 9.80000000000000E+01
NULL NULL NULL NULL NULL Method for InitialCentroids: Random

Query

SELECT * FROM TD_KMeansPredict (
ON input_table_udt as InputTable
ON kmeans_model_udt as ModelTable DIMENSION
USING
OutputDistance('true')
Accumulate('array_col')
)as dt;

Output

id td_clusterid_kmeans td_distance_kmeans array_col
1 0 0.707106781 1.000000000000000,1.000000000000000
2 0 0.707106781 2.000000000000000,2.000000000000000
3 1 0.707106781 8.000000000000000,8.000000000000000
4 1 0.707106781 9.000000000000000,9.000000000000000