# \#knime101

**URL:** https://forum.knime.com/tag/knime101/237.md

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## [Important Question Regarding Missing Data Imputation for Purchase Probability Model](https://forum.knime.com/t/important-question-regarding-missing-data-imputation-for-purchase-probability-model/90797)

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**Author:** [@mohammad\_alqoqa](https://forum.knime.com/u/mohammad_alqoqa)\
**Replies:** 1\
**Last updated:** [November 25, 2025, 7:51pm UTC](https://forum.knime.com/t/important-question-regarding-missing-data-imputation-for-purchase-probability-model/90797 "2025-11-25T19:51:09Z")

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Hello everyone, I have an important question regarding a machine learning task. I’m testing sales data to predict the probability of purchase for a specific product. For the model to learn effectively, the dataset must…

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## [KNIME101: How to Build A Data App with @martindddd](https://forum.knime.com/t/knime101-how-to-build-a-data-app-with-martindddd/87153)

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**Author:** [@ScottF](https://forum.knime.com/u/ScottF)\
**Replies:** 3\
**Last updated:** [March 19, 2025, 12:15am UTC](https://forum.knime.com/t/knime101-how-to-build-a-data-app-with-martindddd/87153 "2025-03-19T00:15:35Z")

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Our next KNIME101 is coming April 9 at 3:00 PM CEST, and will be presented by Martin Dieste (or @MartinDDDD here on the forum). Ever wanted to build your own Data App, but weren’t sure where to start? Let Martin demysti…