The Math Formula Multi Column node is an extension of the Math Formula node which evaluates a mathematical expression based on the values in a row for a set of selected columns. Available variables are the values in the corresponding row of the table left list in the dialog. The Column Expressions node is useful because it can perform multiple data manipulation tasks at once.
Dividing Columns Depending On Their Name Knime Analytics.
It allows the user to do with a single node what would otherwise require multiple nodes. KNIME Math Expression Node version 430v202011191509 by KNIME AG Zurich Switzerland This node evaluates a free-form mathematical expression based on the values of the flow variables. It allows the user to do with a single node what would otherwise require multiple nodes. The computed results can be either appended as new variable or be used to replace an input variable.