Issues with running any regressions on this Dataset. Error: Model training error(H2O)

dl206

The problem is "Error while training the H2O model. java.lang.NullPointerException. Please check your input data and the parameter setup".

I'm pretty new to RapidMiner and I'm having a hard time utilizing the operators to get any sort of regression going with this dataset. Please and thank you for your assistance.

MartinLiebig

Hi @dl206 ,

this should never happen. Any chance you can check the rapidminer-studio.log? There should be more information.

Best,

Martin

dl206

@mschmitz thanks for responding

Sep 23, 2020 3:02:29 PM SEVERE: Process failed: Error while training the H2O model: java.lang.NullPointerException

Sep 23, 2020 3:02:29 PM SEVERE: Here: 

Sep 23, 2020 3:02:29 PM SEVERE:           Process[1] (Process)

Sep 23, 2020 3:02:29 PM SEVERE:            subprocess 'Main Process'

Sep 23, 2020 3:02:29 PM SEVERE:              +- Ad-Dataset[0] (Retrieve)

Sep 23, 2020 3:02:29 PM SEVERE:              +- Apply Model[0] (Apply Model)

Sep 23, 2020 3:02:29 PM SEVERE:              +- Performance[0] (Performance (Regression))

Sep 23, 2020 3:02:29 PM SEVERE:              +- Replace Missing Values[0] (Replace Missing Values)

Sep 23, 2020 3:02:29 PM SEVERE:              +- Set Role[0] (Set Role)

Sep 23, 2020 3:02:29 PM SEVERE:              +- Generalized Linear Model[0] (Generalized Linear Model)

Sep 23, 2020 3:02:29 PM SEVERE:              +- Discretize[0] (Discretize by Size)

Sep 23, 2020 3:02:29 PM SEVERE:              +- Retrieve fec-independent-expenditures[1] (Retrieve)

Sep 23, 2020 3:02:29 PM SEVERE:              +- Replace Missing Values (2)[1] (Replace Missing Values)

Sep 23, 2020 3:02:29 PM SEVERE:              +- Set Role (2)[1] (Set Role)

Sep 23, 2020 3:02:29 PM SEVERE:        ==>   +- Generalized Linear Model (2)[1] (Generalized Linear Model)

So is there an error from how I'm utilizing my operators?

MartinLiebig

Hi @dl206 ,

this is just telling you the same thing you experienced before. The operator Generalized Linear Model (2) threw the error. Is there anything after this? That would be the smoking gun for us.

Everytime you see a NullPointerException something went wrong on our side. This is an internal error. There maybe a configuration issue, but we should tell you what is going wrong and not give you this. Sorry!

Best,

Martin

dl206

I don't see anything after, this is the site I grabbed this dataset from if that helps.
"adobserver.org/ad-database/" - its from a transparency org for political ad's

MartinLiebig

Hi,

can you please share the data and the process? If you prefer you can do this via email. I am available at mschmitz at rapidminer.com.

Cheers,

Martin