Fife

Fixed

- Swapped or removed deprecated LightGBM input parameters
- The 'shap' package is now a required dependency

Fixed

- Forecasts now default to last period if test set is empty

Changed

- Forecasts now default to first period of test set if a test set exists

Changed

- Tensorflow now an optional dependency

Fixed

- LGBModelers now correctly handle datetime categories

Added

- Interacted fixed effects state and exit modelers
- "_label" is now a reserved column name; FIFE may not work if a column in your data has a reserved name

Fixed

<u>StateModeler and ExitModeler</u>

- Now work as intended with time identifiers that are not a non-negative integer progression

Changed

- Interacted fixed effects modelers now predict NaN instead of the mean of all predictions

Added

- [Hyperparameter search documentation](https://fife.readthedocs.io/en/latest/hyperparameter_search_link.html)

<u>Command-line Interface</u>

- Can now specify `TIME_ID_AS_FEATURE` as false to exclude the time identifier from the set of features

Fixed

<u>StateModeler and ExitModeler</u>

- Observations with NaN outcome values now excluded from R-squared calculation

Changed

- build_packages.bat and requirements.txt updated to Python 3.8

<u>StateModeler and ExitModeler</u>

- Prediction DataFrames for categorical outcomes now include future state in the index