3058 search results for "MAP"

Rcpp 0.11.0

February 3, 2014
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A new major release 0.11.0 of Rcpp is now on the CRAN network for GNU R and binaries for Debian have been uploaded as well. Before you read on, please note that this release will most likely require a reinstallation of all your packages using Rcpp...

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“Show me the way to the next whiskey bar” (The Doors – Alabama Song) – Interactive Location Recommendation using Tableau

February 2, 2014
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“Show me the way to the next whiskey bar” (The Doors – Alabama Song) – Interactive Location Recommendation using Tableau

Since I started using Tableau I’m quite fascinated about the capabilities of this piece of software. Before Christmas I was looking how I could build an interactive visualization that helps me to explore the relationships between different objects in a form that shows which objects are very close to each other according to some similarity measure or vice versa....

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Visualization of AQI

February 2, 2014
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Visualization of  AQI

The day before yesterday is spring festival which is one of the most famous Chinese festivals, and setting off firecrackers outside on New Year Eve is a traditional custom. However, firecrackers will pollute circumstance severely and cause the hazy weather. Of course the pollution of different province is not the same, and through charts we can view the pollution distribution directly. We … Continue reading...

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New Geometry – Ternary Errorbars

February 2, 2014
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New Geometry – Ternary Errorbars

ggtern 1.0.3.1 has introduced a new series of geometries to represent known errors in data, they are relatively easy to use and are along the lines of the geom_errorbar(...) and geom_errorbarh(...) geometries in ggplot2. Analagous the errorbars in ggplot2, in ggtern, the new geometries are thus listed as follows: geom_errorbarT(…) [Tmin,… The post New...

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ggtern 1.0.3.1 on CRAN

February 1, 2014
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An update to ggtern, version 1.0.3.1, is now available on CRAN! This version includes a number of updates and functionality, which can be summarized below: Inclusion of USDA Soil Classification Data, accessed by: data(USDA) Creation of New geometries for ternary errorbars, ie, geom_errorbarT, geom_errorbarL and geom_errorbarR Creation of convenience functions (theme_showtitles and theme_hidetitles) for hiding… The post ggtern...

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Know India through Visualisations – 1

February 1, 2014
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Know India through Visualisations – 1

I'm going to produce just a couple of charts, a teaser of sorts in this post. In the forthcoming posts I'll dig deeper.I was amazed with the existing list of R packages to work with spatial data, without needing to get into much of the technical detail...

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Introduction to parallel computing in R

January 31, 2014
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For R beginners, for loop is an elementary flow-control device that simplifies repeatedly calling functions with different parameters. A possible block of code is like this: run <- function(i) { return((i+1)/(i^2+1)) } for(i in 1:100) { run(i) } In this code, we first define a function that calculates something, and then run the function from i = 1 to i = 100....

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ShareLaTeX now supports knitr

January 31, 2014
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ShareLaTeX (click here to register a free account) is a wonderful and reliable on-line editor for writing and compiling LaTeX documents “in the cloud” as well as working together in real-time (imagine Google Docs supporting LaTeX => you get ShareLaTeX).…Read more ›

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Introducing the ecoengine package

January 30, 2014
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Introducing the ecoengine package

Natural history museums have long been valuable repositories of data on species diversity. These data have been critical for fostering and shaping the development of fields such as biogeography and systematics. The importance of these data repositories is becoming increasingly important, especially in the context of climate change, where a strong understanding of how species responded to past...

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R for spatial analysis tutorial + video

January 30, 2014
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On 24th January 2014 I ran a one day practical course on an "Introduction to Spatial Data Visualisation in R" at the University of Leeds, with the help of demonstrators Rachel Oldroyd and Alistair Leak, who came up from London for the event. The course is designed for people completely new to R, who are especially interested in its spatial...

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