Data generation

KNIME Analytics Platform
1

Hi,

I have some questions about data generation with KNIME:

  1. Does any one know how to generate a data set with more categorical and numerical attributs differently correlated with each other?

  2. how can I generate a data set that have a lot of independent attributes?

  3. how to generate missing values in a lot of different columns?

Thanks.

Kind Regards,
N.

2

Hi @Northern,
Take a look at these example workflows:
https://nodepit.com/server/public-server.knime.com:80/01_Data_Access/03_Data_Generation

They demonstrate how you can use the modular data generation framework to generate complex data.
best,
Gabriel

3

Hallo gab1one,

Thanks for the reply. I’ve read these examples, but I still don’t know how to define a correlation among a number of numeric attributes… I’m trying to generate a set that contain attributs correlated with each other (partly perfect colinearly). Is there a way to do that?

Cheers,
N.

4

Hi Northern,

you might want to check out the paper here. He we explained the ideas behind those workflows and how they can be used.

Cheers, Iris

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