Mind your Qs

August 20, 2014
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Mind your Qs

Rescheduling Notice: I have been informed by the organizers that the Meetup tonight has to be rescheduled due to an unexpected problem with the venue. When a new date is set, I will let you know. *** Since I am...

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Workshop on Efficient Methods for Value of Information

August 20, 2014
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Nicky Welton has invited me to talk at a very interesting workshop, which she has organised at the University of Bristol (here's a flyer). The day will be about the recent (and current) development of methods to perform calculations of the expected val...

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Creating heat maps in SAS/IML

August 20, 2014
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Creating heat maps in SAS/IML

In a previous blog post, I showed how to use the graph template language (GTL) in SAS to create heat maps with a continuous color ramp. SAS/IML 13.1 includes the HEATMAPCONT subroutine, which makes it easy to create heat maps with continuous color ramps from SAS/IML matrices. Typical usage includes […]

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R Passes SPSS in Scholarly Use, Stata Growing Rapidly

August 20, 2014
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R Passes SPSS in Scholarly Use, Stata Growing Rapidly

by Robert A. Muenchen Here is my latest update to The Popularity of Data Analysis Software. To save you the trouble of reading all 25 pages of that article, the new section is below. The two most interesting nuggets it contains are: … Continue reading →

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Recent Articles

August 20, 2014
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Recent Articles

  I have uploaded a few papers I have written and presented at some national conferences over the past several years.  Currently, all the articles relate to election research.

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Gordon Linoff and Michael Berry Interviewed for JMP’s Analytically Speaking Series

August 19, 2014
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On August 13th, Anne Milley of JMP interviewed us for the webcast series, Analytically Speaking. The full program is available for viewing here. We discussed a range of topics including the upcoming supplement to Data Mining Techniques (3rd Edition). T...

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The Bracken Bower Prize

August 19, 2014
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The Bracken Bower Prize

The Bracken Bower Prize is a new initiative that's intended to motivate younger authors to identify and analyse future business trends. It's an important award that could well be of interest to applied econometricians, so here are the details that were...

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David Mimno on "Data Carpentry"

August 19, 2014
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David Mimno on "Data Carpentry"

There's a post on David Mimno's blog  today titled, "Data Carpentry".I like it a lot, because it emphasises just how much effort, time and creativity can be required in order to get one's data in order before we can get on with the fun stuff ...

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SwiftKey and Johns Hopkins partner for Data Science Specialization Capstone

August 19, 2014
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I use SwiftKey on my Android phone all the time. So I was super pumped up when they agreed to partner with us on the first Capstone course for the Johns Hopkins Data Science  Specialization to run in October 2014. To enroll … Continue reading →

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Hijacking R Functions: Changing Default Arguments

August 19, 2014
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Hijacking R Functions: Changing Default Arguments

I am working on a package to collect common regular expressions into a canned collection that users can easily use without having to know regexes. The package, qdapRegex, has a bunch of functions in the form of rm_xxx. The only … Continue reading →

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Stroopy names

August 19, 2014
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Baby Name Wizard is all over this one. And this all makes me wonder: is there a psychology researcher somewhere with a dog named Stroopy? Probably so. P.S. I just made the mistake of googling “Stroopy.” Don’t do it. I was referri...

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googleVis 0.5.5 released

August 19, 2014
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googleVis 0.5.5 released

Earlier this week we released googleVis 0.5.5 on CRAN. The package provides an interface between R and Google Charts, allowing you to create interactive web charts from R. This is mainly a maintenance release, updating documentation and minor issues.Sc...

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Models Didn’t Cause the Crisis

August 19, 2014
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Some of the comments engendered by the Black Swan post remind me of something I've wanted to say for a while: In sharp contrast to much popular perception, the financial crisis wasn't caused by models or modelers.Rather, the crisis was c...

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US Domestic Migration Charted as Ordered Stacked Area Graphs

August 18, 2014
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US Domestic Migration Charted as Ordered Stacked Area Graphs

The interactive infographic Where We Came From, State by State [nytimes.com] by Gregor Aisch, Robert Gebeloff and Kevin Quely reveals how US citizens have moved between different US states since the year 1900. The migration data is based on Census d...

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Some quick disorganzed tips on classroom teaching

August 18, 2014
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Below are a bunch of little things I typically mention at some point when I’m teaching my class on how to teach. But my new approach is to minimize lecturing, and certainly not to waste students’ time by standing in front of a group of them, telling them things they could’ve read at their own […] The post Some quick disorganzed tips on classroom teaching appeared first on Statistical Modeling,…

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Example 2014.10: Panel by a continuous variable

August 18, 2014
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Example 2014.10: Panel by a continuous variable

In Example 8.40, side-by-side histograms, we showed how to generate histograms for some continuous variable, for each level of a categorical variable in a data set. An anonymous reader asked how we would do this if both the variables were continuous. ...

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Interview with COPSS Award winner Martin Wainwright

August 18, 2014
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Interview with COPSS Award winner Martin Wainwright

Editor's note: Martin Wainwright is the winner of the 2014 COPSS Award. This award is the most prestigious award in statistics, sometimes refereed to as the Nobel Prize in Statistics. Martin received the award for: " For fundamental and groundbreaking contributions to … Continue reading →

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On deck this week

August 18, 2014
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Mon: Some quick disorganzed tips on classroom teaching Tues: Stroopy names Wed: “A hard case for Mister P” Thurs: The field is a fractal Fri: Replication Wiki for economics Sat, Sun: As Chris Hedges would say: Stop me if you’ve heard t...

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Creating a basic heat map in SAS

August 18, 2014
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Creating a basic heat map in SAS

Heat maps have many uses. In a previous article, I showed how to use heat maps with a discrete color ramp to visualize matrices that have a small number of unique values, such as certain covariance matrices and sparse matrices. You can also use heat maps with a continuous color […]

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GEFCom 2014 energy forecasting competition is underway

August 18, 2014
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GEFCom 2014 energy forecasting competition is underway

GEFCom 2014 is the most advanced energy forecasting competition ever organized, both in terms of the data involved, and in terms of the way the forecasts will be evaluated. So everyone interested in energy forecasting should head over to the competition webpage and start forecasting: www.gefcom.org. This time, the competition is hosted on CrowdANALYTIX rather than Kaggle. […]

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Are P Values Error Probabilities? or, “It’s the methods, stupid!” (2nd install)

August 18, 2014
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Are P Values Error Probabilities? or, “It’s the methods, stupid!” (2nd install)

Despite the fact that Fisherians and Neyman-Pearsonians alike regard observed significance levels, or P values, as error probabilities, we occasionally hear allegations (typically from those who are neither Fisherian nor N-P theorists) that P values are actually not error probabilities. The denials tend to go hand in hand with allegations that P values exaggerate evidence against […]

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Teaching random variables and distributions

August 18, 2014
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Teaching random variables and distributions

Why do we teach about random variables, and why is it so difficult to understand? Probability and statistics go together pretty well and basic probability is included in most introductory statistics courses. Often maths teachers prefer the probability section as … Continue reading →

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21 R navigation tools

August 17, 2014
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21 R navigation tools

Navigation gets you from where you are to where you want to be. Speaking of navigation, you can jump to selected sections of this post: Navigation; R-bloggers; Task views; Rdocumentation.org; sos package; ??; apropos; ls; methods; getAnywhere; :::; find; args; grep; %in%; str; getwd; file.choose; Spyglass summary; browser; See also. Overview Figure 1: A map […]

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