R bloggers

El niño anomaly

November 16, 2023 | Michael

Surf – CC-BY-NC-ND by Al Case Day 16 of 30DayMapChallenge: « Oceania » (previously). Using data from NOAA. Tried different combinations of {terra}/{stars}/{raster} and {ggplot2}/{tmap}/base::plot and between glitches, projecti...
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The Fast and the Curious: Optimizing R

November 16, 2023 | Numbers around us

The Need for Speed in RIn the realm of data science, where the landscape is ever-changing and data volumes are incessantly swelling, speed and efficiency in processing aren’t mere conveniences — they’re indispensable. As we unveil the second chapter of our series, we turn the spotlight onto a crucial ...
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Efficient row min calculation: From R to C

November 15, 2023 | schochastics

My colleague Chung-hong Chan started a new package in our teams GitHub organization. An issue there caught my attention. The performance was very slow of the main function. The issue lay somewhere in the auxiliary functions. This lead me down quite ... [Read more...]

Efficient row min calculation: From R to C

November 15, 2023 | David Schoch

This post was semi automatically converted from blogdown to Quarto and may contain errors. The original can be found in the archive. My colleague Chung-hong Chan started a new package in our teams GitHub organization. An issue there caught my at... [Read more...]

Defibrillator from OSM

November 15, 2023 | Michael

Bleeding Heart – CC-BY by Theo Crazzolara Day 15 of 30DayMapChallenge: « OpenStreetMap » (previously). Using data from OSM we’ll make a web map of defibrillators (AED) in Auvergne-Rhône-Alpes. library(tidyverse) library(sf) library(osmdata) library(glue) library(leaflet) library(htmltools) We send an Overpass API query with {osmdata}: # France regions # See ...
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SatRdays London 2024

November 14, 2023 | The Jumping Rivers Blog

SatRdays is returning to London on 27th April 2024! We’re collaborating once again with CUSP London to bring SatRdays to the amazing Bush House venue, and we can’t wait to see you there. More information will be released in the coming...
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Renewable energy in Europe

November 14, 2023 | Michael

Harnessing the coastal winds – CC-BY-NC-ND by Wayne S. Grazio Day 14 of 30DayMapChallenge: « Europe » (previously). Using data from Eurostat we will try to show the spatio-temporal properties of this dataset by placing plots o...
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Interpreting the Likelihood Ratio cost

November 14, 2023 | vgherard

Intro During the last few months, I’ve been working on a machine learning algorithm with applications in Forensic Science, a.k.a. Criminalistics. In this field, one common task for the data analyst is to present the trier-of-fact (the person or people who determine the facts in a legal ...
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Choropleth

November 13, 2023 | Michael

Vineyards in Burgundy – CC-BY-ND by x1klima Day 13 of 30DayMapChallenge: « Choropleth » (previously). Using the French 2020 census to map the specialization of agricultural production by commune. library(tidyverse) library(sf...
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