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IBM Netezza Analytics Release NotesPart Number 00J2008-03 Rev. 2IBM® Netezza® AnalyticsRelease 2.0.1

FPGROWTH Algorithms Renamed and Modifiedsupported. The table below shows sample calls for both the older and new algorithm names.Prior Release (old wa

Modified Default Parameter Settings for DECTREE and REGTREEParameter New Value Old Value Description minsplit 50 2 The minimum number of instances in

Changes to the KMEANS Algorithm  Clustering using Mahalanobis distance Normalized Euclidean distance Scoring with statistics of clusters and colum

Limited PMML Support for Analytic Models K-means Association rules (ARULE) Naïve Bayes Support is implemented with the following new analytic proce

Changes to nzMatrixSimplified Matrix Multiplication The matrix multiplication procedure (GEMM) has been simplified. Previously, users chose whether to

Changes to nzMatrixNew Random Number GeneratorsThis Netezza Analytics release introduces a new set of wrappers on the Intel Math Kernel Library® rando

Changes to Netezza Spatial Changes to Netezza Spatial Spatial precision has changed such that coordinate values display only the value's signifi-

Issues Fixed In Release 2.0 Reference Topic/Area Issue DescriptionEXT-1084 PCA Performance Improvements EXT-1509 ARULE (formerly FPGROWTH) Performance

Known Issues in Release 2.0 The following are known issues in Release 2.0. Those references numbers shown in red have been fixed in a later patch rele

Known Issues in Release 2.0 Reference Topic/Area Issue Description / WorkaroundEXT-1107 Netezza Spatial PackageA ST_DWithin function performed on two

Note: Before using this information and the product that it supports, read the information in “Notices and Trademarks” on page 29.© Copyright IBM Corp

Known Issues in Release 2.0 Reference Topic/Area Issue Description / WorkaroundEXT-1413 Netezza Analytics Some objects in the database are owned by AD

Known Issues in Release 2.0 Reference Topic/Area Issue Description / WorkaroundEXT-2209and EXT-2101Metadata Managementnzconvertsyscase does not work i

Known Issues in Release 2.0 Reference Topic/Area Issue Description / WorkaroundEXT-2319 nzSpatial ST_PointOnSurface incorrectly returning a point with

Netezza Analytics Release 2.0.1 The Netezza Analytics Release 2.0.1 patch release contains bug fixes and improvements to the documentation.Call Interf

Documentation ChangesDocumentation ChangesRelease 2.0.1 contains the following two manuals documenting the Netezza Analytics map/reduce functionality.

Notices and TrademarksNoticesThis information was developed for products and services offered in the U.S.A. IBM may not offer the products, services,

Notices and TrademarksIBM Corporation26 Forest StreetMarlborough, MA 01752 U.S.A.Such information may be available, subject to appropriate terms and c

Notices and Trademarksmon law trademarks owned by IBM at the time this information was published. Such trade-marks may also be registered or common la

Notices and Trademarksenvironment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance

ContentsGeneral IBM Netezza Analytics Topics ...6IMPORTANT – Read First Before Installing This Release

Notices and Trademarks...29Notices...

General IBM Netezza Analytics Topics General IBM Netezza Analytics Topics IMPORTANT – Read First Before Installing This ReleaseDatabase CompatibilityT

New Features in Netezza Analytics Release 2.0Call Interface Changes to Analytic FunctionsThe call interface to many analytic functions has changed in

Call Interface Changes to Analytic FunctionsThe table below lists functions with a changed call interface and provides examples of the changes through

Call Interface Changes to Analytic FunctionsPrior Release (old way)(Sample partial call)Release 2.0 (new way)(Sample partial call)Backward Compatible?

Call Interface Changes to Analytic FunctionsPrior Release (old way)(Sample partial call)Release 2.0 (new way)(Sample partial call)Backward Compatible?