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Column filter flow variable

Life Sciences Flow variable Column Filter

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This workflow snippet illustrates how to filter multiple columns using a flow variable. For this, we extract the column names of our data and create a collection column containing the desired column names. We then generate a variable that we use in the column filter node in the flow variables tab for "included_names". As example we use genes and their GO terms located on the X chromosome downloaded from Ensembl Biomart and remove the column "Gene Synonym" from the input data

External resources

  • Ensembl Biomart

Used extensions & nodes

Created with KNIME Analytics Platform version 4.3.2
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    KNIME Base nodes Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.3.2

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