3904 search results for "gis"

Using Gitbook with R Markdown

April 18, 2014
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Using Gitbook with R Markdown

Gitbook has been getting some (deserved) attention. For those who haven’t seen it, Gitbook is a system to create really beautiful interactive web (or PDF and ebook) books. For me, the timing of discovering this framework could not be better as I am preparing documentation for propensity score analysis for an upcoming workshop I am giving. Of...

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Make your ggplots shareable, collaborative, and with D3

April 17, 2014
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Make your ggplots shareable, collaborative, and with D3

Editor's note: This is a guest post from Matt Sundquist form the Plot.ly team. You can access the source code for this post at https://gist.github.com/sckott/10991885 Ggplotly and Plotly's R API let you make ggplot2 plots, add py$ggplotly(), and make your plots interactive, online, and drawn with D3. Let's make some. 1. Getting Started and Examples Here is Fisher's iris...

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Using R — Working with Geospatial Data (and ggplot2)

April 16, 2014
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Using R — Working with Geospatial Data (and ggplot2)

This is a follow-up blog-post to an earlier introductory post by Steven Brey: Using R: Working with Geospatial Data. In this post, we’ll learn how to plot geospatial data in ggplot2. Why might we want to do this? Well, it’s really …   read more ...

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Vectorization in R: Why?

April 16, 2014
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Here are my notes from a recent talk I gave on vectorization at a Davis R Users’ Group meeting. Thanks to Vince Buffalo, John Myles White, and Hadley Wickham for their input as I was preparing this. Feedback welcome! Beginning R users are often told to “vectorize” their code. Here, I try to explain...

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Accessing Open Data Portal (India) using APIs

April 15, 2014
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As I mentioned in my previous blog post, Government of India have started an Open Data Portal for making various data public. Most of the data-sets on the portal are available for manual download. Some of the data-sets though are also available to be a...

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Investigating the relationship between gold and bitcoin prices with R.

April 15, 2014
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Investigating the relationship between gold and bitcoin prices with R.

Image by Ennio Pozzetti   In this post I will explore some of the movements in markets in recent years, these movements have caught many by surprise resulting in some people unexpectedly striking it rich while others have lost a great deal. I am no financial advisor, nor do I have a background in financial

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Use of freqparcoord for Regression Diagnostics

April 14, 2014
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Use of freqparcoord for Regression Diagnostics

This is the third in my series of three posts on my package freqparcoord with Yingkang Xie. (My next post after this will show how to use R to explore one of my favorite examples of “what can go wrong” in statistics.) Here is a very brief review of my previous posts regarding freqparcoord. A

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Use of freqparcoord for Regression Diagnostics

April 14, 2014
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Use of freqparcoord for Regression Diagnostics

This is the third in my series of three posts on my package freqparcoord with Yingkang Xie. (My next post after this will show how to use R to explore one of my favorite examples of “what can go wrong” in statistics.) Here is a very brief review of my previous posts regarding freqparcoord. A

Read more »

Modeling "This Time is Different" in R

April 14, 2014
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Modeling "This Time is Different" in R

Check out PDF for Equations And Code to run yourself Introduction: “This Time is different” by Reinhart and Rogoff is an empirical history of financial crises and panics.  It describes many economic events such as; inflation, bubbles, and...

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Modeling "This Time is Different"

April 14, 2014
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Modeling "This Time is Different"

Check out PDF for Equations And Code to run yourself Introduction: “This Time is different” by Reinhart and Rogoff is an empirical history of financial crises and panics.  It describes many economic events such as; inflation, bubbles, and defaults. The theme that ties these events together is the idea that people have an unrealistic expectation of the future because...

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