i did not find process documents operation in my rapid miner, any idea why?

sourcelist

i keep getting an error "The input example set does not match the training example set". from community i got the impression is , process documents may solve this problem, but i could not get this operator in my rapid miner. please help

MartinLiebig

Hi,

maybe its about wordlists? See: https://community.rapidminer.com/discussion/50278/text-mining-and-the-word-list

Best,

Martin

Telcontar120

You may need to download the Text Processing extension (free) from RapidMiner Marketplace if you don't see the Process Documents operator at all.