* update docstring with mdape in list for python perf metric func
* re-run python notebook cell to generate mdape in results table
* remove comment
Co-authored-by: Ben Letham <bletham@gmail.com>
* add test and initial function for mdape in R
* Add separate rolling_median_func and tests
* Modify rolling median function
* fix syntax in rolling median function
* sort by h
* R/diagnostics.R
* update .rd docs and notebook
* Add mdape to performance metrics params docstring
* Add test for custom cutoff cv
* implement custom cutoff logic in cv function
* add docstring
* add description in notebook and rebuild .Rd docs
* fix bug and add test case for period is NULL
* replace s.POSIXct set_date
* Add example of dask distributed parameter tuning to notebook diagnostics
* Rearrange description blocks and correct typos
* Add more informative explanations and tips in docs for tuning examples
* increase output df column width to see results
* add instructions for multiprocess and threaded
* reset index of hyperparameter tuning results df
* fix typos
* remove blank code cell
* grammar correction
* Add subsection
* Split different parameter optimsiation examples
* Add multiprocessing Pool and create function for single cutoff forecast
* add params to single forecast function
* Add iterable for input params for pool
* Add docstring for single cutoff forecast func
* Add check for multiprocessing in test_cross_validation
* check ofr is None and is True and add better description for multiprocess in docstring
* Raise error if wrong args chosen and add test
* fix conflicts
* Change arg to True/False, model.kwargs
* docstring units and few more fixes
* change to iterator and add back tqdm to for loop
* add option in diagnosics notebook about multiprocessing option
* add extra test for checking calls to single forecast func
