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SAP HANA Predictive Analysis Library (PAL)

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Table 415:<br />

Table Column Column Data Type Description<br />

Data 1st column Integer, varchar, or nvarchar Node 1 in existing edge<br />

(Node1 – Node2)<br />

2nd column Integer, varchar, or nvarchar Node 2 in existing edge<br />

(Node1 – Node2)<br />

Parameter Table<br />

Mandatory Parameter<br />

The following parameter is mandatory and must be given a value.<br />

Table 416:<br />

Name Data Type Description<br />

METHOD Integer Prediction method:<br />

●<br />

●<br />

●<br />

●<br />

1: Common Neighbors<br />

2: Jaccard's Coefficient<br />

3: Adamic/Adar<br />

4: Katz<br />

Optional Parameters<br />

The following parameters are optional. If a parameter is not specified, <strong>PAL</strong> will use its default value.<br />

Table 417:<br />

Name Data Type Default Value Description Dependency<br />

THREAD_NUMBER Integer 1 Number of threads<br />

BETA Double 0.005 Parameter for the Katz<br />

method.<br />

Only valid when<br />

METHOD is 4.<br />

BETA should be between<br />

0 and 1. A<br />

smaller BETA is preferred.<br />

MIN_SCORE Double 0 The links whose<br />

scores are lower than<br />

this threshold will be<br />

filtered out from the<br />

result table.<br />

Output Table<br />

Table 418:<br />

Table Column Column Data Type Description<br />

Result 1st column Integer Node 1 in missing edge<br />

(Node1 – Node2)<br />

2nd column Integer Node 2 in missing edge<br />

(Node1 – Node2)<br />

542 P U B L I C<br />

<strong>SAP</strong> <strong>HANA</strong> <strong>Predictive</strong> <strong>Analysis</strong> <strong>Library</strong> (<strong>PAL</strong>)<br />

<strong>PAL</strong> Functions

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