6178 search results for "git"

Exploring Hotel Review Data from Trip Advisor with R

August 14, 2014
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Exploring Hotel Review Data from Trip Advisor with R

I wanted to use R to explore hotel review data. I chose to explore reviews for 3 hotels from Trip Advisor. First, I had to scrape the review data. I have described how I scraped the data here. I used … Continue reading →

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Running OpenCPU server on Fedora and Enterprise Linux

August 14, 2014
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Running OpenCPU server on Fedora and Enterprise Linux

Starting version 1.4.4, the OpenCPU cloud server can run on Redhat distributions, i.e. Fedora and Enterprise Linux (CentOS/RHEL). This post explains how to install and use OpenCPU on these systems. But before continuing I should emphasize that ...

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Propensity Modeling, Causal Inference, and Discovering Drivers of Growth

August 14, 2014
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Propensity Modeling, Causal Inference, and Discovering Drivers of Growth

Imagine you just started a job at a new company. You watched World War Z recently, so you're in a skeptical mood, and given that your last two startups failed from what you believe to be a lack of data, you're giving everything an extra critical eye. You start by thinking about the impact of the sales team. How...

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LA R meetup – September 4: Highlights from the useR! 2014 Conference

August 14, 2014
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Five LA R meetup members will present short talks of what they learned at useR!...

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New and Updated R Packages for Security Data Science

August 12, 2014
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We’ve got some new and updated R packages that are (hopefully) helpful to security folks who are endeavouring to use R in their quest to find and prevent malicious activity. All packages now incorporate a testthat workflow and are fully roxygen-ized and present some best practices in R package development (a post on that very topic is pending). We’ll start with...

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Opening Up Access to Data: Why APIs May Not Be Enough…

August 11, 2014
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Opening Up Access to Data: Why APIs May Not Be Enough…

Last week, a post on the ONS (Office of National Statistics) Digital Publishing blog caught my eye: Introducing the New Improved ONS API which apparently “mak things much easier to work with”. Ooh… exciting…. maybe I can use this to start hacking together some notebooks?:-) It was followed a few days later by this one

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Minimal reproducible examples

August 10, 2014
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I occasionally get emails from people thinking they have found a bug in one of my R packages, and I usually have to reply asking them to provide a minimal reproducible example (MRE). This post is to provide instructions on how to create a MRE. Bug reports on github, not email First, if you think there is a bug,...

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What your twitter friends say about you and your interests

August 10, 2014
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What your twitter friends say about you and your interests

This post is first in a series that looks at the inferences you can make using social media data. The …Continue reading →

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Fracking in your neighborhood? Shale- Oil and Gas Economic Impact Map

August 10, 2014
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Fracking in your neighborhood? Shale- Oil and Gas Economic Impact Map

I have been working on a visualisation to highlight the results from my paper Fracking Growth, to highlight the local economic impact of the recent oil and gas boom in the US.  There are two key insights. First, there are strong spillover effects from the oil and gas sector. I estimate that every oil and

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To cooperate of defect (besides of coding): Prisoners dilemma, a game theory example in R

August 10, 2014
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To cooperate of defect (besides of coding): Prisoners dilemma, a game theory example in R

Hello Computer Science and/or R enthusiasts.This week I had the opportunity to try something that was in my To-Do list a while ago. The idea came almost instantly after reading Dr. Richard Dawkins book, The Selfish Gene (which was a BD gift, thanks Andy).I feel the obligated necessity to program my own implementation of the prisoners dilemma and...

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