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Provide better guidance around public vs. private APIs

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#229 In matthewwardrop/formulaic;

· matthewwardrop opened on Dec 15, 2024

Add support for mixed effects.

Status: Draft (not ready).

matthewwardrop/formulaicnumber 34

#34 In matthewwardrop/formulaic;

· matthewwardrop opened on Jul 11, 2021

Proposal: Add commutative to Operator

Status: Open.

#36 In matthewwardrop/formulaic;

· tomicapretto opened on Sep 3, 2021

Allow Term instances to control the naming of output columns in model matrices

enhancementNew feature or requestNew feature or request

Status: Open.

#46 In matthewwardrop/formulaic;

· matthewwardrop opened on Oct 17, 2021

Allow formatting the categorical encoded variables

enhancementNew feature or requestNew feature or request

Status: Open.

#158 In matthewwardrop/formulaic;

· hguturu opened on Sep 29, 2023

Fix ModelSpec.differentiate and mark as stable

enhancementNew feature or requestNew feature or request

Status: Draft (not ready).

matthewwardrop/formulaicnumber 237

#237 In matthewwardrop/formulaic;

· matthewwardrop opened on Dec 20, 2024

Add support to ModelSpec for extracting metadata about factor levels used in specific columns.

enhancementNew feature or requestNew feature or request

Status: Open.

#238 In matthewwardrop/formulaic;

· s3alfisc opened on Jan 4, 2025

ModelSpec.variables_by_source['data'] fails to capture variables wrapped in the quote operator Q()

bugSomething isn't workingSomething isn't working

Status: Open.

#266 In matthewwardrop/formulaic;

· 136s opened on Feb 7, 2026