1186 search results for "MAPS"

A Brief Introduction to Plotly

August 28, 2014
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A Brief Introduction to Plotly

This is a guest post by Matt Sundquist. Matt studied philosophy at Harvard and is a Co-founder at Plotly. He previously worked for Facebook’s Privacy Team, has been a Fulbright Scholar in Argentina and a Student Fellow of the Harvard Law School Program on the Legal Profession, and wrote about the Supreme Court for SCOTUSblog.com. Emailing… Continue reading →

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Continuous or Discrete Latent Structure? Correspondence Analysis vs. Nonnegative Matrix Factorization

August 25, 2014
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Continuous or Discrete Latent Structure? Correspondence Analysis vs. Nonnegative Matrix Factorization

A map gives us the big picture, which is why mapping has become so important in marketing research. What is the perceptual structure underlying the European automotive market? All we need is a contingency table with cars as the rows, attributes as the ...

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Revolution Analytics’ User Group Map Contest has a Winner

August 21, 2014
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by Joseph Rickert We are pleased to announce that Jo-fai Chow is the winner of the Revolution Analytics contest. Jo-fai’s entry, which was implemented as a Shiny project, may be viewed by clicking on the figure below. Jo-fai’s work not only produced an aesthetically pleasing sequence of maps but also provides a superb example of a well-documented, small project...

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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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Quantitative Finance applications in R – 8

August 12, 2014
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Quantitative Finance applications in R – 8

The latest in a series by Daniel Hanson Introduction Correlations between holdings in a portfolio are of course a key component in financial risk management. Borrowing a tool common in fields such as bioinformatics and genetics, we will look at how to use heat maps in R for visualizing correlations among financial returns, and examine behavior in both a...

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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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Results of the Readers’ Survey

August 5, 2014
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Results of the Readers’ Survey

 First of all, let me say “Thank You” to all of the 357 people who completed the survey. I was hoping for 100, so needless to say the response blew away my expectations. This endeavor seems like a worthwhile effort to do once a year. Next year I will refine the...

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Parsing Domain Names in R with tldextract

August 4, 2014
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The R Language is really good at data and statistical analysis, but when it comes to working with information security data it has a few holes that need plugging up. Bob has been doing a couple of posts using Rcpp to do things like Basic DNS Lookups, TXT lookups, and IPv4 Conversions. I wanted to add to some of that work with a quick package...

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The odds of a cluster of airplane accidents

August 2, 2014
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The odds of a cluster of airplane accidents

Recently, there have been a lot of airplane accidents. July, 17th 2014, Hrabove, Ukraine, Malaysia Airlines, Boeing 777, fatalities 298 (/298) July, 23rd 2014, Magong, Taiwan, TransAsia Airways, ATR 72-500, fatalities 47 (/58) July, 24th 2014, Aguelhok, Mali, Air Algerie, Mc Donnell Douglas MD-83, fatalities 116 (/116) It is simple to find a lot of datasets about airplane crashes....

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Variable Selection in Market Segmentation: Clustering or Biclustering?

July 29, 2014
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Variable Selection in Market Segmentation: Clustering or Biclustering?

Will you have that segmentation with one or two modes?The data matrix for market segmentation comes to us with two modes, the rows are consumers and the columns are variables. Clustering uses all the columns to transform the two-mode data matrix (row a...

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