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RandomFractals avatar RandomFractals commented on May 18, 2024

Something is off while trying to load smaller 2022 crimes CSV data file with msft DataFrame:

chicago-crimes-dotnet-csv-read

from chicago-crimes.

RandomFractals avatar RandomFractals commented on May 18, 2024

@colombod from .Net Interactive team suggested to try the latest preview version of .Net ML libs using:

#i "nuget:https://pkgs.dev.azure.com/dnceng/public/_packaging/MachineLearning/nuget/v3/index.json"
#r "nuget:Microsoft.Data.Analysis,0.20.0-preview.22514.1"

This is using a daily build that will be out soon for the Dataframe nuget.

Sample ml project notebook:

https://github.com/microsoft/dotnetconf-studentzone/blob/main/Using%20ML.NET%20for%20Machine%20Learning/WaterConsumptionMLproject.ipynb

from chicago-crimes.

RandomFractals avatar RandomFractals commented on May 18, 2024

Updated .Net Interactive notebooks setup to use new Polyglot Notebooks ext.:

https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.dotnet-interactive-vscode

Changed imports to ML .Net preview nugets listed above.

Still getting load CSV data error, even for the smaller 33Mb file:

crimes-dotnet-load-csv-error

from chicago-crimes.

RandomFractals avatar RandomFractals commented on May 18, 2024

ML .net nuget is very beta and can't parse CSV with missing data fields yet.

Devs suggested to try 3rd party parquet library instead:

https://github.com/G-Research/ParquetSharp.DataFrame

from chicago-crimes.

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