Blog Archives

using the httr package to retrieve data from apis in R

February 20, 2015
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For a project I’m working on, I needed to access residential electricity rates and associated coordinate information (lat/long) for locations in the US. After a little searching, I found that data.gov offers the rate information in two forms: a static list of approximate rates by region and an API, which returns annual average utility rates ($/kWH) for residential, commercial,...

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HOW TO HOST YOUR SHINY APP ON AMAZON EC2 FOR MAC OSX

January 26, 2015
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HOW TO HOST YOUR SHINY APP ON AMAZON EC2 FOR MAC OSX

In a previous post I had mentioned that I would provide a hosting guide for Shiny applications so other people wouldn't have to suffer through all the same issues I did when trying to do this. Just for reference, I am running OSX Yosemite. For the SSH client you'll be using Terminal, for the SFTP client you'll be using Cyberduck....

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REVIEW OF THE UNIVERSITY OF WASHINGTON DATA SCIENCE CERTIFICATE PROGRAM

January 16, 2015
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REVIEW OF THE UNIVERSITY OF WASHINGTON DATA SCIENCE CERTIFICATE PROGRAM

When I was looking for Data Science certificate programs back in 2013, there were only a few available and most had only graduated one or two cohorts. Even worse, I could not find a single review for any of them. So, this is my review of the University of Washington Data Science certificate. Background: ...

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Creating WEB APPS WITH SHINY – REACTIVE GRAPH OF AVERAGE US HOUSEHOLD INCOME BY RACE

January 13, 2015
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Creating WEB APPS WITH SHINY – REACTIVE GRAPH OF AVERAGE US HOUSEHOLD INCOME BY RACE

I finally finished my first Shiny application! You can click this link to check it out. Below is a screenshot of what it looks like. I got all the data from the United States Census Bureau website. What the app does is provide a comparison of average income by race for...

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Titanic Kaggle competition pt. 2

January 1, 2015
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Titanic Kaggle competition pt. 2

Logistic Regression Continued I'm finally getting back to tackling the Titanic competition. In my last entry, I had started with some basic models (only females live, only 1st and 2nd class females live, etc), and then moved onto logistic regression. My logistic regression model at the time was not performing that well but I was also only using four...

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CLassification Options for Titanic Competition

December 10, 2014
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Logistic RegressionNeural NetsNaive BayesDecision Trees

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The Good oL’ Titanic Kaggle Competition pt. 1

December 5, 2014
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The Good oL’ Titanic Kaggle Competition pt. 1

After that I began playing around with logistic regression. So far, none of my attempts at logistic regression have improved my score but I have some ideas for tomorrow (already reached my submission limit for today). I do realize now that I need to have a plan with my logistic regression models, I need to determine which features have...

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IDEAS for BloGGING tOPICS

December 3, 2014
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Review of the University of Washington Data Science CertificationInitial analysis of the Titanic Data Set from KaggleCriteo Labs Ad-Click data Kaggle Competition experienceOnline sources for datasetsWhat data tools stack I am using and whyHow to use Github

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