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Tag: Big Data

Black-box Confidence Intervals: Excel and Perl Implementation

Originally posted here. Check original article for most recent updates. Confidence interval is abbreviated as CI. In this new article (part of our series...

Launch of Food Resilience Theme

To help communities and individuals plan for the risks of drought, floods, and other climate-change-related impacts, the US government is releasing today a...

NASA Launches Earth Science Challenges with OpenNEX Cloud Data

NASA is launching two challenges to give the public an opportunity to create innovative ways to use data from the agency’s Earth science...

The big data market rises and must converge — just not yet

Is the big data market converging? That was one of the first questions Tom Davenport, fellow for the MIT Center for Digital Business, asked...

How to detect spurious correlations, and how to find the real ones

Originally posted on DataSciebceCentral, by Dr. Granville. Click here to read original article and comments. Specifically designed in the context of big data in our research lab,...

Practical illustration of Map-Reduce (Hadoop-style), on real data

Originally posted on DataScienceCentral, by Dr. Granville. Click here to read original article and comments. Here I will discuss a general framework to process web traffic data....

Jackknife logistic and linear regression for clustering and predictions

Originally posted on DataSciebceCentral, by Dr. Granville. Click here to read original article and comments. This article discusses a far more general version of the technique described...

A synthetic variance designed for Hadoop and big data

Originally posted on Hadoop36o, by Dr. Granville. Click here to read original article and comments. The new variance introduced in this article fixes two big data problems associated with...

Fast Combinatorial Feature Selection with New Definition of Predictive Power

Originally posted on DataScienceCentral, by Dr. Granville. Click here to read original article and comments. In this article, I proposes a simple metric to measure predictive power. It...

Internet topology mapping

Originally posted on DataScienceCentral, by Dr. Granville. Click here to read original article and comments. This is a component often missing, yet valuable for most systems, algorithms...

Hidden decision trees revisited

Originally posted on DataScienceCentral, by Dr. Granville. Click here to read original article and comments. Hidden decision trees (HDT) is a technique patented by Dr. Granville,...

NASA and NOAA Launch Coastal Flooding Innovation Challenge

  Want to solve an innovation challenge to address climate change? The International Space Apps Challenge is an international mass collaboration offering four climate-related challenges,...

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