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Data Manipulation

This directory contains 14 workflows.

Column Filter (by Index) 

This component allows to filter columns by their index (i.e. position). An example can be: select the second and the last columns (e.g. with "2,-1"), or […]

Column Name Editor 

This component allows to filter columns and rename column names of a dataset. The workflow processes automatically all columns and shows them in the output […]

Interactive Data Cleaning 

This KNIME component allows you to apply various data cleaning steps interactively. Default configuration will implement cleaning of missing values and […]

Invert Category Sign 

This component inverts the signs of the values attached to given categories. You select the value column to invert the signs from, the categories with the […]

Python Transform 

This Component transforms values of the user selected columns to normalized values by standardizing them across their mean values. The Component uses the […]

Python Transform (Apply) 

This Component transforms values of the columns to normalized values by using the pickled object provided at input. This Component has to be used along with […]

Python Transform (Load) 

This Component loads the pickled object that is created by the Verified Component Python Transform [ kni.me/c/KwccMRKudBpcML_- ] and saved via the Python […]

Quantile Normalization 

This component implements quantile normalization, which is a technique to make two distributions identical in statistical properties. See […]

Synthetic Data Generator (Classification) 

This component generates example data for classification tasks based on the make_classification() function in the Python scikit-learn library. The […]

Synthetic Data Generator (Clustering) 

This component generates example data for a clustering task based on the make_blobs() function in the Python scikit-learn library. For more information see […]