Have you ever noticed how an error in your Shiny app looks very different when it happens locally (in RStudio on your laptop) compared to when it happens in production...continue reading.
CoI: Andrew sent me this new book [scheduled for 23 July on amazon] of his with Jennifer Hill and Aki Vehtari. Which I read in my garden over a few...continue reading.
A. What is Code Review? Code reviews are traditionally done in the context of a software development team that is building out a new product or feature. The goal is...continue reading.
Hi all, This post is about a way of sampling from a Categorical distribution, which appears in Arthur Dempter‘s approach to inference as a generalization of Bayesian inference (see Figure...continue reading.
{\sf df=function(x)2*pi*x-4*(x>1)*acos(1/(x+(1-x)*(x<1)))} As I was LaTeXing a remote exam for next week, including some R code questions, I came across the apparent impossibility to use < and > symbols in...continue reading.
Anyone who is writing R code should get familiar with logging. While it may not be useful for writing exploratory scripts or doing basic coding projects, logging can be critical...continue reading.
funModeling is focused on exploratory data analysis, data preparation and the evaluation of models. Check the latest functions and website here 🙂continue reading.
An interesting challenge on The Riddler on the probability to see a random interval X’ing with all other random intervals when generating n intervals from Dirichlet D(1,1,1). As it happens...continue reading.
When answering an X validated question on running an accept-reject algorithm for the Gamma distribution by using a mixture of Beta and drifted (bt 1) Exponential distributions, I came across...continue reading.
Business intelligence (BI) is an indispensable tool for many, if not most, modern organizations. BI covers an entire gamut of end-to-end activities from data mining to reporting, all carried out...continue reading.
Hi everyone, This short post is just to point to a course on “Couplings and Monte Carlo”, available here https://sites.google.com/site/pierrejacob/cmclectures. Versions of the course were given in Université Paris-Dauphine in...continue reading.
Abstract: We look at superspreading in infectious disease transmission from a statistical point of view. We characterise heterogeneity in the offspring distribution by the Gini coefficient instead of the usual...continue reading.
The Riddler was sort of feeling the rising boredom of being under lockdown when proposing the following variant to the Monty Hall puzzle: There are zero to three goats, with...continue reading.
Representing words in a numerical format has been a challenging and important first step in building any kind of Machine Learning (ML) system for processing natural language, be it for...continue reading.
This article is originally published at https://xianblog.wordpress.com Thanks for visiting r-craft.org This article is originally published at https://xianblog.wordpress.com Please visit source website for post related comments.continue reading.
When considering the distribution of the sum (or average) of N Uniform variates, called either Irwin-Hall for the sum or Bates for the average, simulating the N uniforms then adding...continue reading.
In this article I use the random forest algorithm to forecast mid price dynamic over short time horizon i.e. a few seconds ahead. This is of particular interest to market...continue reading.
Being able to make causal claims is a key business value for any data science team, no matter their size.Quick analytics (in other words, descriptive statistics) are the bread and...continue reading.
📌 Learn about this feature in a special live webinar and AMA on May 7, 2020 at 1pm EDT with Plotly’s CTO and cofounder, Alex Johnson. Written by: Alex Johnson, Plotly CTO Before...continue reading.
I have written couple of blog posts on R packages (here | here ) and this blog post is sort of a preset of all the most needed packages for...continue reading.
GIS / R / R News / Shiny / Visualization
Interactive visualization of geospatial data with R Shiny
April 17, 2021
