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Saturday, August 27, 2011

RapidMiner ETL - Transforming Attributes with Functions

In this video I show how to transform features in RapidMiner using operators such as log, sqrt, absolute value, and multiplying columns.

RapidMiner ETL - Normalizing, Discretizing, Recoding

In this video I show how to normalize an attribute, including z-normalization, how to discretize a column, and how to recode values


Thursday, August 25, 2011

RapidMiner ETL - Sampling, Selecting Rows, Attributes

In this video I show how to sample rows, including balancing class labels, bootstrap sampling. I also show how to filter rows by value, and select a subset of attributes.



You can get the dataset here

RapidMiner ETL - Combining Datasets

In this video, I show how to combine multiple datasets into one, and join columns and append rows.


And We're Back. A video series on ETL with RapidMiner

Back with some more videos! Sorry for the long wait, and thanks for your patience.

This series is on ETL: Extract, Transform, Load with Rapidminer.

The first video shows how to combine multiple datasets into one, by joining columns and appending rows.

The second videos is on sampling and selecting rows and attributes.

More videos coming soon.