Unpivot / Pivot + String

Hello,

This is the original workflow realise by @gonhaddock.

20240126_KNIME_project6_v1.knwf

In the original file, I add a column QUALITY (String).

PIVOT2.xlsx

I want it to appear in the ‘Joiner node table’ like this.

PIVOT1.xlsx

What modification should I make?

Thanks

Br