Remove Redundant Columns

Removes Columns with redundant/constant/missing values.
Be aware: this is memory intensive. Make sure to give knime as much memory as possible, otherwise excecution might fail depending on the dataset.

Options

Label: Enter Description
Correlation Filter Threshold: Threshold for the Correlation Filter.%%000100.0 will filter everything out, 1.0 only fully correlated columns.
Variance Upper Bound: Threshold for the Correlation Filter.%%00010Use 0,0 to just filter constant values
Missing Value Threshold: Threshold for the missing values.%%00010
Select dimensionality reduction techniques:: Select which dimensionality reduction techniques you want to apply to the data

Input Ports

: Table where you want to remove redundant columns

Output Ports

: Table with removed redundant columns
: Table with Column headers of the removed columns

Nodes

End IF10 ×
Extract Column Header8 ×
Transpose8 ×
Table Creator6 ×
Column Expressions4 ×
Show all 22 nodes

Extensions

FeatureKNIME Base nodes
FeatureKNIME Column Expressions (Labs)
FeatureKNIME Javasnippet
FeatureKNIME Quick Forms