1212 search results for "maps"

Cleaning up oversized github repositories for R and beyond

June 25, 2014
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Cleaning up oversized github repositories for R and beyond

The version control system Git is an amazing piece of software for tracking every change that you make to a project and saving its entire history. It is incredibly useful, for users of R and other programming languages, leading it shoot from 0 market share in 2005 (when it was first released) to market domination in one short decade. However, Git can cause confusion....

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Gulf Stream centre detection

June 22, 2014
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Gulf Stream centre detection

Introduction Definitions of Gulf Stream location sometimes centre on thermal signature, but it might make sense to work with dynamic height instead. This is illustrated here, using a model for , with the distance along the transect. The idea is to select , the halfway point in the function, where the slope is maximum...

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Contest: Prizes for Best R User Groups Plotting Code

June 19, 2014
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by Joseph Rickert For the past year or so we have been plotting the location of R user groups around the world using code (Download RUGS) adapted from a solution that Sandy Muspratt originally posted on Stack Overflow. In last week’s post, we made a modest improvement to our presentation by including a map of Europe. However, R users...

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Who wants to learn R? Sharing DataCamp’s user stats and insights.

June 16, 2014
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Who wants to learn R? Sharing DataCamp’s user stats and insights.

When building an online education start-up for R the number one criterion to meet is the following: identify an increasing interest in learning R online. Once this box is checked, it is time to start thinking of the second most important criterion: establish a teaching approach that makes people so excited that they keep coming back to learn more,

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Creating Inset Map with ggplot2

June 14, 2014
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Creating Inset Map with ggplot2

According to wiki.GIS.com one of the reason for using inset map is to provide a reference for an area for unfamiliar readers.  Inset map is also considered a great asset for cartographers.  Most of the GIS software available in the market hav...

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Identifying Pathways in the Consumer Decision Journey: Nonnegative Matrix Factorization

June 13, 2014
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Identifying Pathways in the Consumer Decision Journey: Nonnegative Matrix Factorization

The Internet has freed us from the shackles of the yellow page directory, the trip to the nearby store to learn what is available, and the forced choice among a limited set of alternatives. The consumer is in control of their purchase journey and can t...

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Can You Track Me Now? (Visualizing Xfinity Wi-Fi Hotspot Coverage) [Part 2]

June 13, 2014
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Can You Track Me Now? (Visualizing Xfinity Wi-Fi Hotspot Coverage) [Part 2]

This is the second of a two-part series. Part 1 set up the story and goes into how to discover, digest & reformat the necessary data. This concluding segment will show how to perform some basic visualizations and then how to build beautiful & informative density maps from the data and offer some suggestions as to how to...

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Proficiency levels @ PISA and visualisation challenge @ useR!2014

June 13, 2014
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Proficiency levels @ PISA  and visualisation challenge @ useR!2014

16 days to go for submissions in the DataVis contest at useR!2014 (see contest webpage). The contest is focused on PISA data and students’ skills. The main variables that reflect pupil skills in math / reading / science are plausible values e.g. columns PV1MATH, PV1READ, PV1SCIE in the dataset. But, these values are normalized to

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Can You Track Me Now? (Visualizing Xfinity Wi-Fi Hotspot Coverage) [Part 1]

June 6, 2014
By
Can You Track Me Now? (Visualizing Xfinity Wi-Fi Hotspot Coverage) [Part 1]

This is the first of a two-part series. Part 1 sets up the story and goes into how to discover, digest & reformat the necessary data. Part 2 will show how to perform some basic visualizations and then how to build beautiful & informative density maps from the data and offer some suggestions as to how to prevent potential tracking. Xfinity...

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Portraying Your Field Sites to Others and Your Future Self Part 1: Little Planets

May 30, 2014
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Portraying Your Field Sites to Others and Your Future Self Part 1: Little Planets

I have been experimenting recently with using my relatively inexpensive camera to capture the feeling or sense of a place I am in, with an eye towards collecting a record of field sites in my ecological work. The key is for it to be more immersive th...

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