Danny became the [first hurricane of the 2015 Season](http://www.accuweather.com/en/weather-news/atlantic-gives-birth-to-tropical-depression-four-danny/51857239), so it’s a good time to revisit how one might be able to track them with R. We’ll pull track data from [Unisys](http://weather.unisys.com/hurricane/atlantic/2015/index.php) and just look at Danny, but it should be easy to extrapolate from the code. For this visualization, we’ll use [leaflet](http://rstudio.github.io/leaflet/) since it’s… Continue reading
D Kelly O’Day did a [great post](https://chartsgraphs.wordpress.com/2015/01/16/nasa-gisss-annual-global-temperature-anomaly-trends/) on charting NASA’s Goddard Institute for Space Studies (GISS) temperature anomaly data, but it sticks with base R for data munging & plotting. While there’s absolutely nothing wrong with base R operations, I thought a modern take on the chart using `dplyr`, `magrittr` & `tidyr` for data manipulation… Continue reading
UPDATE: You can now run this as a local Shiny app by entering shiny::runGist(“95ec24c1b0cb433a76a5”, launch.browser=TRUE) at an R prompt (provided all the dependent libraries (below) are installed) or use it interactively over at Shiny Apps. The impending arrival of the first real snowfall of the year in my part of Maine got me curious about… Continue reading
Markus Gessman (@MarkusGesmann) did a beautiful job [Visualising the seasonality of Atlantic windstorms](http://www.magesblog.com/2014/10/visualising-seasonality-of-atlantic.html) using small multiples, which was inspired by both a [post](http://freakonometrics.hypotheses.org/17113) by Arthur Charpentier (@freakonometrics) on using Markov spatial processes to “generate” hurricanes—which was [tweaked a bit](http://robertgrantstats.wordpress.com/2014/10/01/transparent-hurricane-paths-in-r/) by Robert Grant (@robertstats)—and [Gaston Sanchez](https://github.com/gastonstat)’s [Visualizing Hurricane Trajectories](http://rpubs.com/gaston/hurricanes) RPub. I have [some history](http://rud.is/b/2012/10/28/watch-sandy-in-r-including-forecast-cone/) with hurricane… Continue reading
The arrival of the autumnal equinox foreshadows the reality of longer nights and shorter days here in the northeast US. We can both see that reality and distract ourselves from it at the same time by firing up RStudio (or your favorite editor) and taking a look at the sunrise & sunset times based on… Continue reading
I’ve operated a [Weather Underground](http://www.wunderground.com/) [Personal Weather Station](http://www.wunderground.com/weatherstation/about.asp) (PWS) [[KMEBERWI7](http://www.wunderground.com/personal-weather-station/dashboard?ID=KMEBERWI7#history)] off-and-on (hardware issues notwithstanding) for as long as I can remember, and I thought it was about time to finally do an Alfred↔PWS mashup. My personal requirements were quite modest: – 5 reading history (including most current) – Ability to copy all the current day’s… Continue reading
Thanks to a comment suggestion, the Rforecastio package is now up to version 1.3.0 and has a new parameter which lets you specify which time conversion function you want to use. Details are up on [github](https://github.com/hrbrmstr/Rforecastio).
Not even going to put an `R` category on this since I don’t want to pollute R-bloggers with this tiny post, but I had to provide the option to let folks specify `ssl.verifypeer=FALSE` (so I made it a generic option to pass in any CURL parameters) and I had a couple gaping bugs that I… Continue reading