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docs: improve categorical variables notebook instructions - #750

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W057:fix/issue-529-categorical-variables-docs
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docs: improve categorical variables notebook instructions#750
W057 wants to merge 1 commit into
Nixtla:mainfrom
W057:fix/issue-529-categorical-variables-docs

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@W057

@W057 W057 commented Feb 12, 2026

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Summary

  • Updates the categorical variables capability notebook (04_categorical_variables.ipynb) to be more representative of the process:
    • Explains what categorical variables are (discrete external factors)
    • Lists the two main approaches: one-hot encoding and SpecialDates
    • Adds a note explaining that the example's exogenous variables are ignored because X_df is not provided
    • Links to the comprehensive tutorial for a complete working example with X_df and accuracy evaluation
  • Fixes broken link to long horizon model tutorial

Closes #529

- Update title and introduction to explain what categorical variables
  are and the different approaches (one-hot encoding vs SpecialDates)
- Add note about the X_df requirement (the example shows a warning
  because exogenous variables are ignored without X_df)
- Fix broken link to long horizon model tutorial
- Link to the comprehensive categorical variables tutorial

Closes Nixtla#529
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@W057

W057 commented Feb 16, 2026

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Superseded by #756 which consolidates all documentation fixes into a single PR.

@W057 W057 closed this Feb 16, 2026
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docs: better instructions on handling categorical variables

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