Introduction The previous post demonstrates the use of pre-compiled Stan models in interactive R Shiny applications to avoid unnecessary Stan model (re-)compilation on application start-up. In this short follow-up post we go a step further and tackle the issue of tracking the Stan model sampling progress itself in a ... [Read more...]

tl;dr: some stats agencies use the ISO standard to number weeks for data with weekly frequency. This has some funny implications, some of which cannot be handled with base R on some systems nor with {lubridate}. Use {ISOweek} for now. This is one of those posts written for future ... [Read more...]

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On 15 January, The Riddler had both a straightforward and a challenging riddles. The first one was to optimise the choice of a real number d with the utility function U(d,θ)=d ℑ(θ__d), when θ is Uniform(0,100). Leading unsurprisingly to d=50… The tough(er) one was to solve a form of ... [Read more...]

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