msoltadeo

This code is a fix of the parallelization code in #43. Also, one parallelization option is provided.

When fitting LargeMultinomialLogitStep remove variables from filters in case we are using the same filters for observations and alternatives. If that is the case, we will be having the same...

When fitting `LargeMultinomialLogitStep` remove variables from filters in case we are using the same filters for observations and alternatives. If that is the case, we will be having the same...

Change data type from np.int to int since np.int is deprecated

@ramarty, I am trying the [collection 2 branch](https://github.com/worldbank/blackmarblepy/tree/collection2). I am trying to download the data for 2025-02-01 to 2025-02-05. I am getting an error because `bm_files_df` after this [line](https://github.com/worldbank/blackmarblepy/blob/63b2e52f34e6481e0b2b4b078673580af6607fc7/src/blackmarble/download.py#L209) is...