home/categories/machine-learning/ecnu-icalk-autoskill-skillbank-convskill-english-gpt4-8-glm4-7-polars-mstl-decomposition-data-preparation-skill-md
machine-learningdata-ai

polars-mstl-decomposition-data-preparation

Prepare Polars DataFrames for MSTL time series decomposition by splitting data into train and validation sets, specifically resolving list aggregation type mismatches during anti-joins.

ECNU-ICALK
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ECNU-ICALK
Updated 3/13/2026
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quick start

Installation and usage

Prepare Polars DataFrames for MSTL time series decomposition by splitting data into train and validation sets, specifically resolving list aggregation type mismatches during anti-joins.

Installation
$ install --globalskills.sh
Usage

Once installed, you can use this skill by running the following command in your terminal:

skills use polars-mstl-decomposition-data-preparation