April 2019

data.table by a dummy

April 29, 2019 | HighlandR

very brief intro notes - I like dplyr I’ve used data.table in the past, though didn’t persevere with it enough. My happy safe space is dplyr & ggplot2. I love these packages and use them almost every time I use R. Every so often , ... [Read more...]

runcharter

April 29, 2019 | HighlandR

A thing what I built - Waffle I didn’t write a blog post in March, because I was busy doing other stuff, but it turns out no one noticed, or maybe they did, and simply didn’t care. Well, I care, because it brought my streak of 20 success... [Read more...]

Templated output in R

April 28, 2019 | R on Abhijit Dasgupta

Earo Wang, who is the curator for the We are R-Ladies twitter feed this week (last week of April, 2019), had a really nice tweet about using the whisker package to create a template incorporating text and data in R. Her example created a list of tidyverse packages with descriptions. I ... [Read more...]

visualising bias and unbiasedness

April 28, 2019 | xi'an

A question on X validated led me to wonder at the point made by Christopher Bishop in his Pattern Recognition and Machine Learning book about the MLE of the Normal variance being biased. As it is illustrated by the above graph that opposes the true and green distribution of the ...
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Interact with PostGIS from R

April 28, 2019 | Sébastien Rochette

PostGIS extends capabilities of PostgreSQL database to deal with spatial data. Using PostGIS, your database supports geographic queries to be run directly in SQL. In this blog post, we will connect and interact with a PostGIS database from R, using {DBI} and {sf}. Package {sf} and PostGIS are friends Package {...
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How I Put Logos on ggplot2 Figures

April 28, 2019 | Mark White

Creating a ggplot2 theme that matches your organization’s colors and fonts can help your plots look slick and feel seamless with the rest of the organization’s work. One extra thing that has come up with this for me has been adding a logo to plots. Whi... [Read more...]

The Mrs. White probability puzzle

April 28, 2019 | Antoine R

tl;dr -I don’t remember how many games of Clue I’ve played but I do remember being surprised by Mrs White being the murderer in only 2 of those games. Can you give an estimate and an upper bound for the number of games I have played?We solve ... [Read more...]

Bayes vs. the Invaders! Part Four: Convergence

April 28, 2019 | tealeaf

Sealed and Buried In the previous three posts in our series delving into the cosmic horror of UFO sightings in the US, we have descended from the deceptively warm and sunlit waters of basic linear regression, through the increasingly frigid, stygian depths of Bayesian inference, generalised linear models, and the... [Read more...]

Parsing and Visualizing Transcriptomics Data in Shiny

April 27, 2019 | Ryan Willett

Introduction The genome represents the history book and instruction set of all organisms on Earth. Over the last century, genetic analysis has provided deep insight into the underpinnings of biological processes and the molecular etiology of disease. A crucial principle to understanding how genes function is that defects can arise ...
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