Data source

Concepts

These components allow you to read a data source. They present two main characteristics :
(1) it is necessarily located at the beginning of the stream diagram ;
(2) it is inserted automatically by a wizard, it is thus not visible in the components palette.

Attributes status

None.

Available components

Component Description Parameters Note

Dataset
Download a raw table (examples vs. attributes), text file format with tab separator.

Not sophisticated component, data cleansing is not supported (missing data, ...).

- File name. - The first row represents attributes name.
- The second row allows to recognize the type of attributes (continuous or discrete).
- The decimal separator depends on your Windows configuration.

Last modification: January 21st, 2004.