RAPIDMINER 9.7 BETA ANNOUNCEMENT

The beta program for the RapidMiner 9.7 release is now available. Lots of amazing new improvements including true version control!

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Data preparation

LindsayKelevraLindsayKelevra Member Posts: 2 Newbie
hi everybody! I made the data preparation shown in the picutre, but watching the tf-idf's weighting schemas i notice that there are some strange charaters (for example â€œoptionâ€), how can eliminate them?  thank u
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