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All Blog Posts Tagged 'correlation' (5)

Data Science Simplified Part 9: Interactions and Limitations of Regression Models

In the last few blog posts of this series discussed regression models at length. Fernando has built a multivariate regression model. The model takes the following shape:

price = -55089.98 + 87.34 engineSize +…
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Added by Pradeep Menon on August 30, 2017 at 4:30am — No Comments

Mass Data Simulations

I have been using the term "mass data assignment" in my blogs. I thought I should offer the community some simulated examples. These are simple simulations: all the data is in one place in an agreeable format. The file contents are meant to be easy to peruse. When I was younger, there was a television series called "Stargate SG-1." I have a number of seasons on DVD. In this series, a special branch of the U.S. Air Force visits offworld sites using stable wormholes: teams enter the wormholes…

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Added by Don Philip Faithful on November 14, 2015 at 6:41am — No Comments

Analyse TB data using network analysis

Analyse TB data using network analysis

Introduction

In a very interesting publication from Jose A. Dianes on tuberculosis (TB) cases per country it was shown that dimension reduction is achieved using Principal Component Analysis (PCA) and Cluster Analysis (…

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Added by Tim Groot on September 15, 2015 at 4:00am — 1 Comment

Swimming Pools and Nicholas Cage: A Look at How We Misunderstand Correlation

Can the recent four-point Super Bowl victory by the New England Patriots clue us in as to how many people will die in helicopter accidents?

The link between helicopter accident fatalities and Super Bowl point spreads is the latest …

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Added by Peter Bruce on February 9, 2015 at 2:30pm — 3 Comments

How to Lie with Visualizations: Statistics, Causation vs Correlation, and Intuition!

Post adapted from Correlation vs Causation: Visualization, Statistics, and Intuition!

As someone who has a tendency to think in numbers, I love when success is…

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Added by Alex Jones on January 5, 2015 at 2:25pm — 7 Comments

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