Xspec

`parallel_folding(params, indexes, model_indexes, desc='', progress_bar=True, pool=None, return_kind='cstat')`

Evaluate folded xspec outputs for a batch of parameter vectors.

Parameters:

Name	Description	Default
`params`	Parameter vectors to evaluate.	required
`indexes`	`xspec` parameter indices associated with `params`.	required
`model_indexes`	`xspec` model names associated with `indexes`.	required
`desc`	Prefix for the progress-bar label.	`''`
`progress_bar`	Whether to display a tqdm progress bar.	`True`
`pool`	Optional process pool for parallel evaluation.	`None`
`return_kind`	One of `"cstat"`, `"full_model_counts"`, or `"models_and_components"`.	`'cstat'`

Returns:

Type	Description
	Stacked outputs across all rows in `params`. The `"cstat"` key is always present. `"total_model_counts"` is included for `"full_model_counts"` and `"models_and_components"`. `"model_counts"` and `"component_counts"` are included only for `"models_and_components"`.