1223 search results for "Maps"

Three Fun Facts About Black Friday and Thanksgiving

November 24, 2015
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Three Fun Facts About Black Friday and Thanksgiving

Thanksgiving has been a national holiday in the United States since 1941 and Canada since 1957. Black Friday, while not an official holiday, marks the unofficial of the holiday shopping season. These three graphs show the increasing price of a pound of...

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Making an R based ML model accessible through a simple API

November 24, 2015
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Building an accurate machine learning (ML) model is a feat on its own. But once you’re there, you still need to find a way to make the model accessible to users. If you want to create a GUI for it, the obvious approach is going after shiny. However, often you don’t want a direct GUI for a ML...

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Geographic clustering of UK cities

November 23, 2015
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Geographic clustering of UK cities

I know I am probably late to this party but I recently found out about DBSCAN or "A Density-Based Algorithm for Discovering Clusters in Large Spatial Databases with Noise". In a nutshell, the algorithm visits successive data point and asks whether neighbouring points are density-reachable. In other words is it possible to connect two points with a chain of...

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Reverse Geocode using Google API and XML package in R – PART 3

November 18, 2015
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Reverse Geocode using Google API and XML package in R – PART 3

So this is it !!! In the current tutorial I will show you my entire code that i used to grab the data from web as well as learn to parse the XML data. This tutorial will be a bit longer but since you have already come to this point lets just get done w...

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Analyzing 1.1 Billion NYC Taxi and Uber Trips, with a Vengeance

November 17, 2015
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Analyzing 1.1 Billion NYC Taxi and Uber Trips, with a Vengeance

The New York City Taxi & Limousine Commission has released a staggeringly detailed historical dataset covering over 1.1 billion individual taxi trips in the city from January 2009 through June 2015. Taken as a whole, the detailed trip-level data is more than just a vast list of taxi pickup and drop off coordinates: it’s a story of New York....

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How to Search for Census Data from R

November 16, 2015
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How to Search for Census Data from R

In my course Learn to Map Census Data in R I provide people with a handful of interesting demographics to analyze. This is convenient for teaching, but people often want to search for other demographic statistics. To address that, today I will work through an example of starting with a simple demographic question and using R The post

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Interactive Data Science with R in Apache Zeppelin Notebook

November 16, 2015
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Interactive Data Science with R in Apache Zeppelin Notebook

Introduction The objective of this blog post is to help you get started with Apache Zeppelin notebook for your R data science requirements. Zeppelin is a web-based notebook that enables interactive data analytics. You can make beautiful data-driven, interactive and collaborative documents with Scala(with Apache Spark), Python(with Apache Spark), SparkSQL, Hive, Markdown, Shell and more.…

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Using htmlwidgets with knitr and Jekyll

November 15, 2015
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Using htmlwidgets with knitr and Jekyll

A few weeks ago I gave a talk at BARUG (and wrote a post) about blogging with the excellent knitr-jekyll repo. Yihui’s system is fantastic, but it does have one drawback: None of those fancy new htmlwidgets packages seem to work… A few people have run into this. I recently figured out...

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Free Webinar: Learn to Map Unemployment Data in R

November 10, 2015
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Free Webinar: Learn to Map Unemployment Data in R

Last month I ran my first webinar (“Make a Census Explorer with Shiny”). About 100 people showed up, and feedback from the participants was great. I also had a lot of fun myself. Because of this, I’ve decided to do one more webinar before my free trial with the webinar service ends. Here are the The post

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Interesting Datasets I Recently Learned About

November 9, 2015
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Interesting Datasets I Recently Learned About

Last week I spoke about my census-mapping work at two great venues: the EARL Conference in Boston and the NY Open Statistical Programming Meetup in New York. After my talks many people shared their own experiences mapping public datasets. I thought that I would pass along that information in case anyone is interested in exploring these datasets. Epidemiology Datasets The post

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