8.1 Prepare Data
Using methods of OML4Py data type classes, you can prepare data for analysis in the database, as described in the following topics.
- About Preparing Data in the Database
OML4Py data type classes have methods that enable you to use Python to prepare database data for analysis. - Select Data
A typical step in preparing data for analysis is selecting or filtering values of interest from a larger data set. - Combine Data
You can join data fromoml.DataFrame
objects that represent database tables by using theappend
,concat
, andmerge
methods. - Clean Data
In preparing data for analysis, a typical step is to transform data by dropping some values. - Split Data
Sample and randomly partition data with thesplit
andKFold
methods.
Parent topic: Prepare and Explore Data