Updating Discrete choice issue to fix parameter identification issue (#781)

* Updating Discrete choice issue to fix parameter identification issue

Signed-off-by: Nathaniel <[email protected]>

* running pre-commit checks

Signed-off-by: Nathaniel <[email protected]>

* add warning about encoding of the categorical outcome

Signed-off-by: Nathaniel <[email protected]>

* enforcing correct encoding on the crackers model

Signed-off-by: Nathaniel <[email protected]>

* enforcing correct encoding on the crackers model

Signed-off-by: Nathaniel <[email protected]>

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Signed-off-by: Nathaniel <[email protected]>

Author: NathanielF