vianneylan

 a min(spit_size, ...) should be added in order to avoid errors when the split size is larger than the number of groups in split_by_col in chunk_apply otherwise array_split returns...

groupby apply using scheduler='threads' runs like with scheduler='synchronous'

1

**Describe the issue**: When running parallel groupby.apply with a GIL-releasing custom function, the computation is done group by group sequentially, regardless of scheduler being set to 'threads' or to 'synchronous'...

**Describe the bug** in scintillation_attenuation_sigma method from itu618, there are two options for computing N_wet First one is as per ITU-R 453 (from T, P, H) second one is as...