418 search results for "market research"

Warning: Clusters May Appear More Separated in Textbooks than in Practice

March 23, 2014
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Warning: Clusters May Appear More Separated in Textbooks than in Practice

Clustering is the search for discontinuity achieved by sorting all the similar entities into the same piles and thus maximizing the separation between different piles. The latent class assumption makes the process explicit. What is the source of variat...

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Data Sets for Data Science

March 20, 2014
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Data Sets for Data Science

by Joseph Rickert Recently, I had the opportunity to be a member of a job panel for Mathematics, Economics and Statistics students at my alma mater, CSUEB (California State University East Bay). In the context of preparing for a career in data science a student at the event asked: “Where can I find good data sets?”. This triggered a...

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How popular is the President of Mexico on Twitter?

March 18, 2014
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How popular is the President of Mexico on Twitter?

Twitter simultaneously allows people to be heard and to hear, easily and in real time, bringing with it potentially fascinating and ground breaking insights for anybody trying to take the public’s pulse on a hot issue.  It is almost mandatory that so much benefit comes with its challenges, namely how to process the humongous amounts The post

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Using Genetic Algorithms in Quantitative Trading

March 14, 2014
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The question one should always asked him/herself when using technical indicators is what would be an objective criteria to select indicators parameters (e.g., why using a 14 days RSI rather than 15 or 20 days?). Genetic algorithms (GA) are well suited tools to answer that question. In this post I’ll show you how to set

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Software Carpentry at UVA, Redux

March 12, 2014
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Software Carpentry at UVA, Redux

Software Carpentry is an international collaboration backed by Mozilla and the Sloan Foundation comprising a team of volunteers that teach computational competence and basic programming skills to scientists. In addition to a suite of online lessons, ...

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Google Summer of Code opportunities in data science and machine learning with Ganglia

February 28, 2014
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Google Summer of Code opportunities in data science and machine learning with Ganglia

As mentioned in my blog on Monday, the Ganglia Project is proud to be part of Google Summer of Code in 2014 The Ganglia team are offering various types of projects and different parts of Ganglia would welcome students with different skills, for example: Component Skills gmond agent C gmond modules C or Python JMXetric Java gmetad and rrdtool for storing time series data C,

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Revolution Analytics named a Visionary in the Gartner Magic Quadrant for Advanced Analytics Platforms

February 26, 2014
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The entire team at Revolution Analytics is very proud to announce that Gartner has named Revolution Analytics a Visionary in the inaugural Gartner Magic Quadrant for Advanced Analytics Platforms, published February 19, 2014. The report evaluated 16 vendors through a series of stringent criteria related to the ability to execute and completeness of vision. Revolution Analytics is positioned the...

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Atlantic Feature on AI and R

February 19, 2014
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A recent feature article in The Atlantic describes the rise of Artificial Intelligence (AI) and how researchers "conduct sophisticated data analyses using cloud resources such as Amazon Web Services and R, an open source application for statistic...

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Princeton vs. Facebook: modeling contagion

February 18, 2014
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Princeton vs. Facebook: modeling contagion

by James Paul Peruvankal, Senior Program Manager at Revolution Analytics Three weeks ago, researchers at Princeton released a study on Epidemiological modeling of online social network dynamics that states Facebook might lose 80% of its users by 2015-2017. Facebook data scientists hilariously debunked the study stating that Princeton itself would lose all of its students by 2021, using the...

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How to estimate the total cost of healthcare and why metal levels are useless

February 15, 2014
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How to estimate the total cost of healthcare and why metal levels are useless

This is part 2/3 in my series on healthcare costs. The analysis is driven by my own needs as an …Continue reading »

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