User's Guide discussion of thinning samples - mention anti-correlated draws?

[mitzimorris]

Summary:

The Stan User's Guide section on thinning samples - should it provide more guidance? In particular, mention anti-correlated draws? https://mc-stan.org/docs/reference-manual/effective-sample-size.html#thinning-samples

Current Version:

v2.29.2

[bob-carpenter]

Thanks for pointing that out. I'll update the doc and point out that rho_t can be negative and then qualify the thinning section.