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Million vs. billion vs. trillion
An animation
Jun 22
•
Thomas J. Pfaff
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Million vs. billion vs. trillion
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The distribution of the sample max
An animation
Apr 27
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Thomas J. Pfaff
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The distribution of the sample max
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Trends in e-commerce
Sorry, FRED, not back to "normal."
Apr 9
•
Thomas J. Pfaff
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Trends in e-commerce
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The Buffon needle problem
An animation
Mar 16
•
Thomas J. Pfaff
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The Buffon needle problem
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Regression leverage and influence, part 2
Least squares vs. Theil-Sen
Feb 17
•
Thomas J. Pfaff
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Regression leverage and influence, part 2
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Regression leverage and influence
A Probability and Statistics Post: An animation of leverage and an application to global temperatures
Jan 20
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Thomas J. Pfaff
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Regression leverage and influence
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The Mean and Median in a Skewed Distribution
A Probability and Statistics Post: An animation skewing a distribution
Dec 30, 2023
•
Thomas J. Pfaff
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The Mean and Median in a Skewed Distribution
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Same Mean Different Distribution
A Probability and Statistics Post: Know the distribution, not just the mean and median.
Nov 25, 2023
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Thomas J. Pfaff
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Same Mean Different Distribution
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How rising mean temperatures affect maximums
An illustrative simulation
Sep 16, 2023
•
Thomas J. Pfaff
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How rising mean temperatures affect maximums
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From a Normal Distribution to a Pareto
A model to illustrate income inequality
Jul 15, 2023
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Thomas J. Pfaff
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From a Normal Distribution to a Pareto
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The Normal Density and Percentiles
The distance from the mean doesn't grow linearly
Jul 8, 2023
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Thomas J. Pfaff
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The Normal Density and Percentiles
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Normal Density Tail Differences
Small shifts in two normal curves cause large tail disparities
Jun 14, 2023
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Thomas J. Pfaff
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Normal Density Tail Differences
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