3228 search results for "map"

htmlwidgets: JavaScript data visualization for R

December 18, 2014
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htmlwidgets: JavaScript data visualization for R

Today we’re excited to announce htmlwidgets, a new framework that brings the best of JavaScript data visualization libraries to R. There are already several packages that take advantage of the framework (leaflet, dygraphs, networkD3, DataTables, and rthreejs) with hopefully many more to come. An htmlwidget works just like an R plot except it produces an interactive web

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Peter Norvig’s Spell Checker in Two Lines of Base R

December 16, 2014
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Peter Norvig’s Spell Checker in Two Lines of Base R

Peter Norvig, the director of research at Google, wrote a nice essay on How to Write a Spelling Corrector a couple of years ago. That essay explains and implements a simple but effective spelling correction function in just 21 lines of Python. Highly recommended reading! I was wondering how many lines it would take to write something similar...

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Interactive 2D & 3D Plots with Plotly and ggplot2

December 16, 2014
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Interactive 2D & 3D Plots with Plotly and ggplot2

by Matt Sundquist co-founder of Plotly R, Plotly, and ggplot2 let you make, share, and collaborate on beautiful, interactive plots online. Let's see what we can do with the topographic data from Auckland's Maunga Whau Volcano that comes with R. Copy and paste this R code to make your first plot. The basic idea is: use ggplot2 code, add...

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Extending methylKit: Christmas Offer for Methylome Researchers

December 16, 2014
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Next week is going to be a vacation and most of us are going on vacation. Me too. However, I thought that this Christmas I would OFFER fellow researchers a GOOD SERVICE. Many of the biologists are learning to deal with their high-throughput sequen...

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Cartography with complex survey data

December 15, 2014
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Cartography with complex survey data

Visualizing complex survey data is something of an art. If the data has been collected and aggregated to geographic units (say, counties or states), a choropleth is one option. But if the data aren't so neatly arranged, making visual sense often requires some form of smoothing to represent it on a map. R, of course, has a number of...

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Accessing, cleaning and plotting NOAA Temperature Data

December 11, 2014
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Accessing, cleaning and plotting NOAA Temperature Data

In my previous post I said that my students are using data from NOAA for their research.NOAA in fact provides daily averages of several environmental parameters for thousands of weather stations scattered across the globe, completely free. In details, NOAA provides the following data: Mean temperature for the day in degrees Fahrenheit to tenths Mean dew point for the...

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Spatial visualization with R – Tutorial

December 10, 2014
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Spatial visualization with R – Tutorial

The visualization of spatial data is one of the most popular applications when using R. This tutorial is an introduction to the visualization of spatial data and map making in R. The following issues will be addressed: Import anduse of shapefiles in R (shapefile is a file format designed for spatial data). Data management and

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World Point Grid

December 10, 2014
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These days I am following a couple of master projects dealing with renewable energy potentials at the global scale. We wanted to try and compute these potential using only free data and see how far we could go.For wind speed there are plenty of resourc...

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Blog with RStudio, R, RMarkdown, Jekyll and Github.

December 9, 2014
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Blog with RStudio, R, RMarkdown, Jekyll and Github.

In the first post of this new blog I’ll outline how I’ve set the blog up. writing posts in Rmarkdown converting posts to markdown from R push to Github where Jekyll renders the markdown organising all as an RStudio project What I wanted I wanted to be able to write about R related things without having to...

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4th Japan.R meeting on December, 6

December 9, 2014
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4th Japan.R meeting on December, 6

We had an exciting meeting "Japan.R" with many talks on last Saturday.(I should have made an advance notice.) (This is the picture of our venue. Thanks FreakOut!!!)We are so pleased that many participants(over 200!!!) enjoyed the talks and have a great relationship each other in pizza party. The following link is the...

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