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Data Mining Overview

May 30th, 2008 No comments Data Mining can be called as knowledge discovery consist of following steps;
Data Cleaning
Data cleaning mean removing inconsistent data, verify that data is correct and according certain rules.
for example column grades may have A,B,C.

Data Selection;
Relevant data is extracted from database. i.e If we are working on marketing research we probably require data from customer tables, products and orders.

Data Integration
Data Integration means integrating/combining data from various sources for example workers overtime can be integrating in Database in their respective accounts.

Data Transformation
converts data from a source data format into destination data.

Data Mining
Data mining helps in finding valuable knowledge and high level information which can then be browsed from different angles and the facilitate informed decision making in business, information management and all other fields where it is being applied.

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