Convert Rt process to daily scale

[damonbayer]

No description provided.

[SamuelBrand1]

NB: when you do this its worth taking a minute to convert your priors.

E.g. if $\log R_t$ is a weekly random walk with step std $\sigma$ then the daily step std that gives the same weekly variance is $\sqrt{1/7}\sigma$. Obvs, we have $\sigma$ is inferable but our priors should shift by the same ratio.

For AR processes care is needed because all the parameters influence the process distribution.