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Solving Operational Business Intelligence with InfoSphere Warehouse Advanced Edition
book

Solving Operational Business Intelligence with InfoSphere Warehouse Advanced Edition

by Whei-Jen Chen, Pat Bates, Timothy Donovan, Garrett Fitzsimons, Jon Lind, Rogerio Silva
October 2012
Beginner to intermediate content levelBeginner to intermediate
506 pages
12h 43m
English
IBM Redbooks
Content preview from Solving Operational Business Intelligence with InfoSphere Warehouse Advanced Edition
376 Solving Operational Business Intelligence with InfoSphere Warehouse Advanced Edition
10.2.2 Data preparation
It has long been true that one of the most time-consuming stages in a data
mining project is data preparation. This step involves several activities to make
the source data suitable for data mining processing, including but not limited to
the following tasks:
򐂰 Integrate or consolidate data from multiple sources into a single data set
suitable for data mining
򐂰 Transfer data values or calculate new data values for inclusion in the data
mining solution
򐂰 Align granularity (for example, transaction level versus daily summary) of data
from different sources
򐂰 Eliminate or correct “bad” data values in the source data, such as null values ...
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