R-bloggers

Option pricing using time series models as market price of risk and bootstrap resampling

It is a rare thing that a date can be a palindrome. But it happens. And the idea is the following, to cover all different date formats and for the given period And to do some useless extraction of the…Read more ›

Exploring pip/tazo PTA for Pseudomonas using popPK simulation. Key finds: 30-min infusions fall short of 90% PTA at MIC 16; prolonged infusion helps, but neutropenic fever population sees the biggest drop in PTA. ~46% of susceptible PsA isolates carry blaOXA-2 — tazobactam matters more than I thought Motivations We’ve learnt a bit ...

Required Packages # install.packages(c("ragnar", "ellmer", "dplyr", "ggplot2", "tibble")) library(ragnar) library(ellmer) library(dplyr) library(ggplot2) library(tibble) Introduction This earlier post, explored building a text analytics pipe...

We recently ran a session on Posit platform updates, the kind of features that don’t always make it onto your radar but can make a real difference once you know they’re there. This post covers the three highlights: speeding up R packa...

For a while we, at Jumping Rivers, have offered a Dashboard Health Check (DHC) largely focused around backend features and other facets the end-user doesn’t see: things like version control, documentation and deployment. However, the DHC also included a few checks related to user experience and accessibility. While we’...

I’m happy to share a new release of deltatest. This release includes two main changes: a new tidy() method for deltatest objects a fix for p-value calculation in one-sided tests Before looking at what changed in this release, let’s briefly rev...

The MBBEFD Distribution After two years, the MBBEFDLite package for R is finally mature! As a brand-new actuary, in my first job, I had the privilege of working with Dr. Stefan Bernegger at Swiss Reinsurance. Albeit I did not have much to do with him—I was a one-exam, no ...

You can read the original post in its original format on Rtask website by ThinkR here: Sharing data across shiny modules, an update Some people have recently been vocal about misuses of the “stratégie du petit r”, a mechanism for sharing data across {shiny} modules that was detailed both ...

I’ve spent the last couple of months revising my Data Visualization book for a second edition that, ideally, will appear some time in the next twelve months. As with the first edition, I’ve posted a complete draft of the book at its website...

We are releasing the first version of Leptodon, our Leptos UI toolkit, into the wild. This release of Leptodon contains UI components for general application development. However, the end goal is to make Leptodon capable enough to easily build comple...

🧪 Diving into PK/PD for the first time — simulating ceftriaxone with mrgsolve in R. Free drug levels were… surprisingly high? Even pushed it to q48h dosing out of curiosity and the results left me with more questions than answers 🤔📈 Motivations Learning pharmacokinetics (PK) and pharmocodynamics (PD) have always been ...