5041 search results for "git"

Replication of few graphs/charts in base R, ggplot2, and rCharts

November 7, 2013
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In this post, I use a simulated dataset (7 variables -3 factor and 4 numeric - and a sample size of 50) to create graphs/charts using base R, and replicate them using ggplot2, and rCharts. This is not an attempt to create an exhaustive database of grap...

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Towards the R package sheldus, Part 1: Natural Disaster Losses in the US in 2012

November 7, 2013
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Towards the R package sheldus, Part 1: Natural Disaster Losses in the US in 2012

The SHELDUS database, short for Spatial Hazard Events and Losses Database in the United States (http://webra.cas.sc.edu/hvri/products/sheldus.aspx), from the University of South Carolina, is a  database on human and property losses from natural di...

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The R Backpages

November 7, 2013
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The R Backpages

by Joseph Rickert As an avid newspaper reader (I still get the print edition of the New York Times delivered every Sunday morning) I have always thought that some of the most interesting news is to be found in the back pages. So, in that spirit here are some things that I thought might be fit to print. Plotly...

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College Basketball: Presence in the NBA over Time

November 7, 2013
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College Basketball: Presence in the NBA over Time

Interested in practicing a bit of web-scraping, I decided to make use of a nice dataset provided by Databasebasketball.com in order to examine the representation of various college programs in the NBA/ABA over time. This dataset only includes retired players, and ends in 2010, so I decided to...

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Databases for text analysis: archive and access texts using SQL

November 7, 2013
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This post is a collection of scripts I've found useful for integrating a SQL database into more complex applications. SQL allows quickish access to largish repositories of text (I wrote about this at some length here), and are a good starting point for...

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Unsupervised data pre-processing: individual predictors

November 7, 2013
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Unsupervised data pre-processing: individual predictors

I just got the excellent book Applied Predictive Modeling, by Max Kuhn and Kjell Johnson . The book is designed for a broad audience and focus on the construction and application of predictive models. Besides going through the necessary theory in a not-so-technical way, the book provides R code at the end of each chapter.

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Nonlinear Gmm with R – Example with a logistic regression

November 7, 2013
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In this post, I will explain how you can use the R gmm package to estimate a non-linear model, and more specifically a logit model. For my research, I have to estimate Euler equations using the Generalized Method of Moments. I contacted Pierre Chaussé, the creator of the gmm library for help, since I was having...

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EXIF with R | rCharts + catcorrjs + exiftool

November 6, 2013
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EXIF with R | rCharts + catcorrjs + exiftool

I wanted to analyze the EXIF information in a whole group of photos from a recent trip to Disney World.  Of course I decided to use R and throw in some interactive charting with d3.js, rCharts, and and the new catcorrjs.  Integrating the amaz...

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A Mitochondrial Manhattan Plot

November 6, 2013
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A Mitochondrial Manhattan Plot

Manhattan plots have become the standard way to visualize results for genetic association studies, allowing the viewer to instantly see significant results in the rough context of their genomic position.  Manhattan plots are typically shown on a l...

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Local Council Spending Data – Time Series Charts

November 6, 2013
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Local Council Spending Data – Time Series Charts

In What Role, If Any, Does Spending Data Have to Play in Local Council Budget Consultations? I started wondering about the extent to which local spending transparency data might play a role in supporting consultation around new budgets. As a first pass, I’ve popped up a quick application up at http://glimmer.rstudio.com/psychemedia/iwspend2013_14/ (shiny code here). You

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