Hi, this is a symptom for the AI Hub not running. You need to look for the reason. Do you have a simple installation (with the installer wizard) or a Docker deployment? In the first case, find the lo… (View Post)

Hi @Christian18, It is always better to evaluate the accuracy on a test set (unseen data) or to perform a "Cross-validation". But if you want absolutely evaluate the training accuracy of yo… (View Post)

Hi Support, When I start up Rapidminer Studio, the splash screen hangs at "initializing operators" for a while and then the window dissapears with no sign of rapidminer anywhere. Then, when… (View Post)

Hi @Papad, The ARIMA forecast model (same for the other forecast model in RapidMiner) behave a bit different to how machine learning (ml) models behave, due to the nature of the prediction (a forecas… (View Post)

You can also do this with Filter Examples and use the "has children" attribute as the condition of your split and then use the selected and the unmatched outputs to get the two separate res… (View Post)

Dear Thomas_Ott, I am practicing on "Time Series in RapidMiner" by following your video tutorial #10, https://neuralmarkettrends.com/rapidminer-tutorials/. Data is until Mar 19, 2010. I wou… (View Post)

Hi @Help_please, In order to obtain help from community is important to ask in a clear way. Please, share your dataset, your process or whatever information that you can share and a specific question… (View Post)

Hi, I need to train large number of models like 300 models to predict 300 different targets. I thought of using auto model to train these models since training them one by one will take too much time… (View Post)

Hi @Naveen_Vimalan, I used your excel as input for URL links and got 325 results and 8 errors (see attached screenshot for the error msg). The errors mostly come from the bad URL link that contains r… (View Post)

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)