Data Mining - Data (Preparation | Wrangling | Munging)
Table of Contents
1 - About
Proper preparation of the data is a key factor in any data mining project.
2 - Articles Related
3 - Star Schema
Dimensioned data (for example, star schemas) are supported through nested table transformations. ???
4 - Type Preparation
4.1 - Data Cleansing
4.2 - Data Transformation
Additionally, most algorithms require some form of data transformation, such as:
- or normalization.
DBMS_DATA_MINING_TRANSFORM is a flexible data transformation package that includes a variety of missing value and outlier treatments, as well as binning and normalization capabilities.
4.3 - Data Set
The data mining development process may require several data sets.
A data set may be: