The output of the HELP FOREIGN FUNCTION command shows detailed information about the ML Engine function specified.
You must use the coprocessor function name as input to this command and append @coprocessor to it. See ML Engine Analytic Function Mapping to map your function with its coprocessor function name.
HELP FOREIGN FUNCTION kmeans@coprocessor;
Function Help
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Function Name:
kmeans
Function Type:
driver
Short Description:
Performs K-Means clustering on a data set
Long Description:
Finds cluster centroids and assigns data points to clusters using the k-means
algorithm.
Usage Syntax:
kmeans@coprocessor(
ON(...) as InputTable
[ON(...) as CentroidsTable]
[MaxIterNum('INTEGER')]
[Seed('INTEGER')]
[UnpackColumns('BOOLEAN')]
[InitialSeeds('STRING')]
[NumClusters('INTEGER')]
[Threshold('DOUBLE')]
[ClusteredOutput('TABLE_NAME')]
OutputTable('TABLE_NAME')
)
Input Columns:
<Input Table> should be in the following format< id ,point1 real ...pointn
real>
Output Columns:
<Output Table will be in the following format <clusterid, packedColumn, size,
withinss>
Function Owner:
db_superuser
Creation Time:
2017-08-29 16:02:06.230091
Function Version:
7.0_rel_1.7_r65218
Interfaces Implemented:
Partition function