I am not sure why you'd use WEKA as the extension has not been updated for the last 5 years and a lot of happened in RapidMiner since. WEKA extension operators do not even match the current WEKA func… (View Post)

@Telcontar120, the standard concatenation works relatively fine if you have a limited number of known fields, but it's pretty cumbersome to combine multiple fields. The generate aggregation operator … (View Post)

Hola Elena, imagino que trabajas con datos tipo polynomial. en ese caso puedes emplear el operador Split que se encuentra en Blending, Values, te adjunto un ejemplo. espero que te sirva. un saludo (View Post)

I tried to use the Spreadsheet Operator to load a Google Spreadsheet in my process, but it doesnt work at all. I tried the example process and there is no Error, but there is no data coming out of th… (View Post)

Hi @JohnG22 , I think the solution is to not use Process Documents from Data, but Loop Collection to preprocess your data set like this: Attached is the process for it. Best,Martin (View Post)

Hola Elena, Debes ir a los operadores de Blending, luego selecciona Atributes y finalmente Types. Alli encontraras el operador Nominal to Numerical. con esto sería suficiente. Un saludo (View Post)

My colleagues have come up with a very nice use case on credit card fraud detection modeling that may be useful for those of you in this area. The full repository is attached to this thread including… (View Post)

Hi Everybody! Today we released version 2.9.0 of Operator Toolbox! The updates here are really driven by you, the community. Namely: A new operator Read Yahoo Finance to read historic asset prices. T… (View Post)

Dear Community,



I am happy to announce that @pschlunder and I published a
new extension to the marketplace: Interpretations! 

So far RapidM… (View Post)

Hi @tftemme, Thanks so much again for the help using ARIMA. I have a few questions about the dates and results. (it looks a lot, but I've just added many images to help).My Dow Jones data and indicat… (View Post)