Statistics

Statistics Blogs

Attention Is Preference: A Foundation Derived from Brand Involvement Segmentation

September 1, 2014
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Attention Is Preference: A Foundation Derived from Brand Involvement Segmentation

"A wealth of information creates a poverty of attention."Herbert SimonWe categorize our world so that we can ignore most of it. In order to see figure, everything else must become ground. Once learned, the process seems automatic, and we forget how har...

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A new candidate for worst figure

September 1, 2014
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A new candidate for worst figure

Today I read a paper that had been submitted to the IJF which included the following figure along with several similar plots. (Click for a larger version.) I haven’t seen anything this bad for a long time. In fact, I think I would find it very diffi...

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Bigger Data Structures (Introduction to Statistical Computing)

August 30, 2014
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Matrices as a special type of array; functions for matrix arithmetic and algebra: multiplication, transpose, determinant, inversion, solving linear systems. Using names to make calculations clearer and safer: resource-allocation mini-example. Lists ...

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Lab: Exponentially More Fun (Introduction to Statistical Computing)

August 30, 2014
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In which we play around with basic data structures and convince ourself that the laws of probability are, in fact, right. (Or perhaps that R's random number generator is pretty good.) Also, we learn to use R Markdown. — Getting everyone rando...

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October Reading List

August 29, 2014
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October Reading List

In North America, Labo(u)r Day weekend is upon us. The end of summer. Back to school. Last chance to get some pre-class reading done!Blackburn, M. L., 2014. The relative performance of Poisson and negative binomial regression estimators. Oxford Bulleti...

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Rainfall, Data Structures, Sequences (Introduction to Statistical Computing)

August 29, 2014
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In which we practice working with data frames, grapple with some of the subtleties of R's system of data types, and think about how to make sequences. (Hidden agendas: data cleaning; practice using R Markdown; practice reading R help files) Assignme...

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New study: vaccines prevent disease and death

August 29, 2014
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New study: vaccines prevent disease and death

According to an exciting new study, childhood vaccines are almost miraculously effective at preventing suffering and death due to infectious disease.Sadly, that is not actually a headline, because it doesn't generate clicks.  What does generate cl...

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BREAKING THE LAW! (of likelihood): to keep their fit measures in line (A), (B)

August 29, 2014
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BREAKING THE LAW! (of likelihood): to keep their fit measures in line (A), (B)

1.An Assumed Law of Statistical Evidence (law of likelihood) Nearly all critical discussions of frequentist error statistical inference (significance tests, confidence intervals, p- values, power, etc.) start with the following general assumption about the nature of inductive evidence or support: Data x are better evidence for hypothesis H1 than for H0 if x are more probable under H1 than […]

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Books to Read While the Algae Grow in Your Fur, May 2014

August 28, 2014
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Attention conservation notice: I have no taste. Robert Hughes, Rome: A Cultural, Visual, and Personal History As the subtitle suggests, a bit of a grab-bag of Hughes talking about Rome, or Rome-related, subjects, seemingly as they caught his attent...

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I am probably watching TV right now

August 28, 2014
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I am probably watching TV right now

I got an email from a gentlemen boasting labor data that even the Bureau of Labor Statistics hasn’t published yet! Retale, a tool that helps you scour advertisements for deals in your area, has produced a cool infograph on what Americans are doing right now. It tells you what activities Americans are doing at different […]

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