Chapter 1
data mining is knowledge discovery from data;
The knowledge discovery process is an iterative sequence of 7 steps:
- data cleaning: to remove noise and inconsistent data
- data integration: where multiple data sources may be combined (step1 and step 2 can be seen as one step)
- data selection: where data relevant to the analysis task are retrieved from the database
- data transformation:
BK: Data mining: concepts and techniques (1)
原文：https://www.cnblogs.com/dulun/p/12271765.html
