Row Filter based on Multiple Columns (Filter out Rows where all Columns have Missing Value)

[mlauber71]

@Er3n I have once created this solution to apply and combine several rules to a collection of columns and then aggregate the results. Will have to see if I can adapt this to your case later

Help with rule-based row-filter - according to excel formula

@DennisMB welcome to the KNIME forum. I have prepared this example on the KNIME hub. You can write a column expression testing a single column for your conditions (0 = a negative condition is met, 1 = the positive condition is met, 2= something else, maybe also a 1?) [image] Then for the fun of it I have built a system where you could apply the rules to all columns (you want). If we have one negative in a set of columns it is a negative overall and we would need at least one positive mark in …