# \#datascience

**URL:** https://forum.inductiveautomation.com/tag/datascience/17.md

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## [Ensuring unique serialization per part type across multiple stations/machines](https://forum.inductiveautomation.com/t/ensuring-unique-serialization-per-part-type-across-multiple-stations-machines/103730)

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**Author:** [@ryan.white](https://forum.inductiveautomation.com/u/ryan.white)\
**Replies:** 11\
**Last updated:** [March 17, 2025, 5:37pm UTC](https://forum.inductiveautomation.com/t/ensuring-unique-serialization-per-part-type-across-multiple-stations-machines/103730 "2025-03-17T17:37:46Z")

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We are trying to figure out how to enforce serialization uniqueness per part type across multiple machines/stations making multiple parts. My thought on how to approach this was to have globalId, partSerial and partType…

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## [Empty cells in dataset](https://forum.inductiveautomation.com/t/empty-cells-in-dataset/88425)

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**Author:** [@Lowie\_Vanhaesbrouck](https://forum.inductiveautomation.com/u/Lowie_Vanhaesbrouck)\
**Replies:** 4\
**Last updated:** [April 5, 2024, 3:09pm UTC](https://forum.inductiveautomation.com/t/empty-cells-in-dataset/88425 "2024-04-05T15:09:17Z")

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I have a dataset that has the history from a few tags in it. Each tag has its own colomn. But the tags save histroy at different times (for example : tag1 : each 15m tag2 : each 5 m) You get what I mean. This results in…

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## [Free Machine Learning courses](https://forum.inductiveautomation.com/t/free-machine-learning-courses/17628)

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**Author:** [@KathyApplebaum](https://forum.inductiveautomation.com/u/KathyApplebaum)\
**Replies:** 0\
**Last updated:** [April 6, 2018, 6:30pm UTC](https://forum.inductiveautomation.com/t/free-machine-learning-courses/17628 "2018-04-06T18:30:39Z")

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I know a number of our users are interested in Machine Learning but don’t know where to start. UC Berkeley is now offering a series of Data Science courses for free online. I haven’t taken these particular ones, but I’ve…

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## [Historian pruning customization to move data instead of drop them](https://forum.inductiveautomation.com/t/historian-pruning-customization-to-move-data-instead-of-drop-them/75588)

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**Author:** [@Martial\_Wilbert](https://forum.inductiveautomation.com/u/Martial_Wilbert)\
**Replies:** 2\
**Last updated:** [June 27, 2023, 9:42pm UTC](https://forum.inductiveautomation.com/t/historian-pruning-customization-to-move-data-instead-of-drop-them/75588 "2023-06-27T21:42:18Z")

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Hi, A customer would like to keep only 2 years of data on historian and pushing older data on a "Cold" storage infrastructure. Purpose of this "Cold" storage is in case of using Machine Learning one day, that would nee…

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## [How do I get a row count of a data set at a specific value?](https://forum.inductiveautomation.com/t/how-do-i-get-a-row-count-of-a-data-set-at-a-specific-value/19315)

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**Author:** [@Bluemonkey136](https://forum.inductiveautomation.com/u/Bluemonkey136)\
**Replies:** 6\
**Last updated:** [August 21, 2018, 4:53pm UTC](https://forum.inductiveautomation.com/t/how-do-i-get-a-row-count-of-a-data-set-at-a-specific-value/19315 "2018-08-21T16:53:42Z")

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I don't have the newest version of Ignition so I don't have the ability to pass values from my filtered tables dataset to a dataset tag. I have a filtered table and would like to get the counts of different values in a …