2352 search results for "time series"

Election analysis contest entry part 3 – interactive exploration of voting locations with leaflet and Shiny

April 8, 2016
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Election analysis contest entry part 3 – interactive exploration of voting locations with leaflet and Shiny

Motivation This post is the third in a series that make up my entry in Ari Lamstein’s R Election Analysis Contest. First I introduced the nzelect R package from a user perspective. Second was a piece on how the build of that package works. Today, the third in the series introduces an interactive map of...

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Help improve treatment for brain injuries using machine learning and R

April 4, 2016
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Help improve treatment for brain injuries using machine learning and R

The field of neuroscience -- the study of brains and the nervous system -- has taken some major leaps in recent years. Scientists can now gather real-time electrical activity from the brain during actions and thoughts, which is helping to pinpoint the exact location of brain lesions caused by strokes, and is leading to promising treatments for epilepsy and...

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Workshops announced for EARL 2016

April 4, 2016
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EARL2016 will feature a day of workshops on 13th September preceding the full conference days. These will be interactive workshops on a variety of R related topics, from introductory to advanced levels. Due to the interactive nature of the workshops, … Continue reading →

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Animated Flow in the non-tidal Delaware River

March 27, 2016
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Animated Flow in the non-tidal Delaware River

The Delaware River experienced some high flow in late February 2016, providing an opportunity for an interesting animated graph of river response.This plot was developed using data from the USGS NWIS system for gauges on the Delaware River, retrieved w...

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Soap-film smoothers & lake bathymetries

March 27, 2016
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Soap-film smoothers & lake bathymetries

A number of years ago, whilst I was still working at ENSIS, the consultancy arm of the ECRC at UCL, I worked on a project for the (then) Countryside Council for Wales (CCW; now part of Natural Resources Wales). I don’t recall why they were doing this project, but we were tasked with producing a...

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Rcpp 0.12.4: And another one

March 26, 2016
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The fourth update in the 0.12.* series of Rcpp has now arrived on the CRAN network for GNU R, and has just been pushed to Debian as well. This follows four days of idleness in the incoming/ directory: Word is that the tireless CRAN maintainers were traveling and only covering simpler packages. The 0.12.4...

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Graphics parameters exercises

March 24, 2016
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Graphics parameters exercises

In the exercises below we practice how to personalize graphics parameters, how to produce different plots at the same time and how to save a plot in a file. We will use commands such as par and jpeg. We will use the mtcars dataset, provided by R Cran (we can upload the dataset by typing

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googleformr on CRAN

March 24, 2016
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googleformr on CRAN

As I said in my last post, googleformr came out of a persistent series of questions: How to collect data remotely? And do it programmatically with R? And safely, easily, and free? Well, now googleformr is up on CRAN. Google Form niceties After getting googleformr on CRAN, I had intended to extend googleformr with some data visualization functionality in future revisions; but upon consideration...

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How to: Weather Radials

March 23, 2016
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How to: Weather Radials

TLDR: Creating weather radials with highcharter and ggplot2. I was surfing by the deep seas of the web and I found the Brice Pierre de la Briere’s blocks and I saw the weather radials which originally are a poster collection. Brice uses D3 and he used D3 very well and I love D3 but I’m in...

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Lets Begin with something sample

March 23, 2016
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Lets Begin with something sample

The following R-exercises constitute the first set in a series of posts aimed to review fundamental probability and (bio)statistics concepts while learning to use R. Today we will focus on generating random numbers from some of the built-in distributions in R as well as using the sample() function to obtain random samples from a given

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