activitysim

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This PR implements UV as the new package and project manager for ActivitySim. #954 #### Changes to package and project management - Updated pyproject.toml to work with UV - Implemented...

i-am-sijia

Pandas 2 `assign_in_place()` fix with categoricals

2

ActivitySim models often call the [`activitysim.core.util.assign_in_place(df, df2, ...)`](https://github.com/ActivitySim/activitysim/blob/4063cd6b5213327697fe0d4e85961ebbab61b5a3/activitysim/core/util.py#L317) method to update existing values in `df` using values from `df2`, or to add new columns from `df2`. When performing the former,...

i-am-sijia

Expression profiling (legacy mode)

1

Addresses #906. This pull request introduces a new performance profiling feature for expression evaluation in the ActivitySim framework. The feature allows developers to track and log the runtime of individual...

jpn--

The SkimDataset structure requires every variable to have a unique name. It also merges OMX variables based on time period, so that e.g. BIKETIME__AM and BIKETIME__PM, which would be 2-d...

jpn--

Estimation Enhancements

9

Estimation work as part of ActivitySim's Phase 9B development effort. - [x] Implement multiprocessing for estimation mode - [x] Implement destination choice sampling in estimation mode - [x] Change the...

dhensle

Update documentation to use conda instead of mamba commands This PR was authored by Github @copilot coding agent. I also reviewed it.

jpn--

ActivitySim relies on numerous third-party Python packages, i.e., its dependencies. ActivitySim users occasionally report installation and/or runtime failures due to these dependencies (#919, #921). This typically happens when one or...

i-am-sijia

Fixes for #951 and #952 This pull request addresses robustness and fallback mechanisms in the `activitysim` codebase by ensuring proper handling of missing columns (`PNUM` and `auto_ownership`) in key functions....

dhensle

**Describe the bug** The vehicle table is used in tour and trip mode choice to get the auto operating cost for drive modes. (See [here](https://github.com/ActivitySim/sandag-abm3-example/blob/main/configs/resident/tour_mode_choice_annotate_choosers_preprocessor.csv#L33) for an example.) Disaggregate accessibilities...

dhensle

**Describe the bug** Joint tour participants and the joint tour frequency and composition models look for a PNUM attribute in the persons table. If you do not have PNUM in...

dhensle