Statistics, computation

…and all that jazz

Recent Posts

It is with great pleasure that I can announce that Ryacas version 1.0.0 is now released to CRAN …

Box plots are often used. They are not always the best visualisation (e.g. is bi-modality not visible), but I will not discuss that in …

In a recent blog post I tried to get yacas to solve a system of polynomial equations. Unfortunately it could not do that, so I solved …

Finding prediction intervals (for future observations) is something different than finding confidence intervals (for unknown population …

In a recent blog post I used something like this (for use in a call to optim()): obj_fun_expr <- expression((x^4 + 4 * x^2 * y^2 - …