On 6. Sep 2019, at 18:31, Wookey <wookey@wookware.org> wrote:

What SD numbers do you use for this?

I agree they should be different, but I've not seen much research
evidence on what the correct numbers are.

Pre-Disto we used https://de.wikipedia.org/wiki/H%C3%A4ngezeug which should result in about the same SD as an Disto.

I toyed with taking the Callibration SD but I‘m not sure this makes sense.

Also SDs are about expected errors and do not cover blunder
probability

I think this is an important point. They tend to mess up things much worse than anything else.

—max