one-hot encoding missing value attribute

jbalint

Hi,
I'm facing an issue using the one hot encoding operator. Attributes are generated for all but one of the values. I've included an example based on the Titanic data. The result includes newly added attributes

IngoRM

That’s by design. If both columns are zero this means that the “missing” column would be a one. Hope this helps,
Ingo

jbalint

sorry I posted trying to add a tag.

Anyways. The result includes newly added attributes "Passenger class = First" and "Passenger Class = Third", but omits a new attribute for second class. Process attached.

jbalint

thanks. i guess i can use Loop Values to get them all