“Dow 36,000” guy offers an opinion on Tom Brady’s balls. The rest of us are supposed to listen?

September 8, 2015
By

Football season is returning so it’s time for us to return to that favorite statistical topic from the past football season: Tom Brady’s deflated balls. Back in June, Jonathan Falk pointed me to this report. You can click through if you’d like and take a look. I didn’t bother reading it because it had no […] The post “Dow 36,000” guy offers an opinion on Tom Brady’s balls. The rest…

Read more »

Find the ODS table names produced by any SAS procedure

September 8, 2015
By
Find the ODS table names produced by any SAS procedure

Statistical programmers often have to use the results from one SAS procedure as the input to another SAS procedure. Because ODS enables you to you to create a SAS data set from any ODS table or graph, it is easy to obtain a data set that contains the value of […] The post Find the ODS table names produced by any SAS procedure appeared first on The DO Loop.

Read more »

Matlab/Octave and Python demos for BDA3

September 7, 2015
By

My Bayesian Data Analysis course at Aalto University started today with a record number of 84 registered students! In my course I have used some Matlab/Octave demos for several years. This summer Tuomas Sivula translated most of them to Python and Python notebook. Both Matlab/Octave and Python demos are now available at Github in hope they […] The post Matlab/Octave and Python demos for BDA3 appeared first on Statistical Modeling, Causal…

Read more »

How do you know if your model is going to work? Part 2: In-training set measures

September 7, 2015
By
How do you know if your model is going to work? Part 2: In-training set measures

Authors: John Mount (more articles) and Nina Zumel (more articles). When fitting and selecting models in a data science project, how do you know that your final model is good? And how sure are you that it’s better than the models that you rejected? In this Part 2 of our four part mini-series “How do … Continue reading How do you know if your model is going to work? Part…

Read more »

BEA to Resume Provision of NSA GDP

September 7, 2015
By

In an earlier post, I argued for publication of non-seasonally-adjusted (NSA) series. Thanks to a helpful communication from Jonathan Wright, I recently learned (as did he) that BEA will resume compilation and publication of NSA U.S. GDP...

Read more »

College redux

September 7, 2015
By
College redux

What's all this talk about Bayesian Inference the kids are spreading on Snapchat? You too can get in on the conversation. Learning modern statistics made fun and easy! Brought to you by Dataman. 

Read more »

Comments on Imbens and Rubin causal inference book

September 7, 2015
By

Guido Imbens and Don Rubin recently came out with a book on causal inference. The book’s great (of course I would say that, as I’ve collaborated with both authors) and it’s so popular that I keep having to get new copies because people keep borrowing my copy and not returning it. Imbens and Rubin come […] The post Comments on Imbens and Rubin causal inference book appeared first on Statistical…

Read more »

On deck this week

September 7, 2015
By

Mon: Comments on Imbens and Rubin causal inference book Tues: “Dow 36,000″ guy offers an opinion on Tom Brady’s balls. The rest of us are supposed to listen? Wed: Irwin Shaw: “I might mistrust intellectuals, but I’d mistrust nonintellectuals even more.” Thurs: Death of a statistician Fri: Being polite vs. saying what we really think […] The post On deck this week appeared first on Statistical Modeling, Causal Inference, and…

Read more »

About replication bullies and scientific progress …

September 7, 2015
By

These days psychology really is exciting, and I do not mean the Frster case … In May 2014 a special issue full of replication attempts has been released – all open access, all raw data released! This is great work, powered by the open scien...

Read more »

In the era of #repligate: What are valid cues for the trustworthiness of a study?

September 7, 2015
By

[Update 2015/1/14: I consolidate feedback from Twitter, comments, email, and real life into the main text (StackExchange-style), so that we get a good and improving answer. Thanks to @TonyLFreitas,@PhDefunct, @bahniks, @JoeHilgard, @_r_c_a, @richardmor...

Read more »

Gaze-cueing and trustworthiness: New paper + raw data + R script on OSF

September 7, 2015
By

Recently, a student of mine (Felix Senbach, now at the University of Edinburgh) and I published a little study on gaze-cueing, and how it is moderated by the trustworthiness of the gazing person. In a nutshell, although instructed to ignore the gaze, p...

Read more »

#HIBAR: Why Using Age as a Proxy for Testosterone is a Bad Deal.

September 7, 2015
By

This is a post-publication peer review (HIBAR: “Had I Been A Reviewer”) of the following paper: Levi, M., Li, K., & Zhang, F. (2010). Deal or no deal: Hormones and the mergers and acquisitions game. Management Science 56, 1462 -1483. A ...

Read more »

More Stan on the blog

September 7, 2015
By

Whoa. Stan is 3 years old. We’ve come a long way since the start. I came into the project just as a working prototype was implemented by Matt and Bob with discussions with Andrew, Ben, Michael Malecki, Jiqiang, and others. (I had been working for Andrew prior to the official start of the project, but […] The post More Stan on the blog appeared first on Statistical Modeling, Causal Inference,…

Read more »

Guns and Rare Events

September 6, 2015
By

Seems that people with severe mental illness are able to easily purchase guns in this country. Seems like people (whether actually mentally ill or not) who are upset and angry and want to hurt someone also can purchase a gun easily. Often we hear that...

Read more »

vtreat up on CRAN!

September 6, 2015
By
vtreat up on CRAN!

Nina Zumel and I are proud to announce our R vtreat variable treatment library has just been accepted by CRAN! It will take some time for the vtreat package to progress to various CRAN mirrors, but as of now you can install vtreat with the command: install.packages('vtreat', repos='http://cran.r-project.org/') Instead of needing to use devtools to … Continue reading vtreat up on CRAN!

Read more »

BREAKING . . . Sepp Blatter accepted $2M payoff from Dennis Hastert

September 6, 2015
By

I think Sheldon Silver and Dean Skelos were involved too. It all went down on the George Washington Bridge, and Hillary Clinton recorded it in her personal email. Details coming from Seymour Hersh. P.S. This was topical back when I wrote in early June! I would’ve put it on the sister blog, which specializes in […] The post BREAKING . . . Sepp Blatter accepted $2M payoff from Dennis Hastert…

Read more »

Predicting Titanic deaths on Kaggle V: Ranger

September 6, 2015
By
Predicting Titanic deaths on Kaggle V: Ranger

In two previous posts (Predicting Titanic deaths on Kaggle IV: random forest revisited, Predicting Titanic deaths on Kaggle) I was unable to make random forest predict as well as boosting. Hence when I read about an alternative implementation; ranger&n...

Read more »

All She Wrote (so far): Error Statistics Philosophy: 4 years on

September 6, 2015
By
All She Wrote (so far): Error Statistics Philosophy: 4 years on

Error Statistics Philosophy: Blog Contents (4 years) By: D. G. Mayo [i] Dear Reader: It’s hard to believe I’ve been blogging for 4 whole years (as of Sept. 3, 2015)! A big celebration is taking place at the Elbar Room as I type this. (Remember the 1 year anniversary here? Remember that hideous blogspot? Oy!) Please […]

Read more »

Emails I never finished reading

September 5, 2015
By

This one came in today (i.e., 2 months ago): Dear colleague, Can I ask you a quick question? I am seeing more and more research projects (many in the economic sciences) in which researchers use dummy-codes to account for non-independence due to higher-order units. So when the researchers have data from employees in 15 different […] The post Emails I never finished reading appeared first on Statistical Modeling, Causal Inference,…

Read more »

Tutorials freely available of course I taught: including ggplot2, dplyr and shiny

September 5, 2015
By

I was asked to write a R course for a group of innovative companies in the North of the Netherlands. The group of 12 people was a mix of engineers and programmers, and the course aimed at giving them a… See more ›

Read more »

Bootstrap Evaluation of Clusters

September 4, 2015
By
Bootstrap Evaluation of Clusters

Illustration from Project Gutenberg The goal of cluster analysis is to group the observations in the data into clusters such that every datum in a cluster is more similar to other datums in the same cluster than it is to datums in other clusters. This is an analysis method of choice when annotated training data … Continue reading Bootstrap Evaluation of Clusters

Read more »

"Reproducibility and Reliability in Statistical and Data Driven Research" (Week after Next at the Statistics Seminar)

September 4, 2015
By

Attention conservation notice: Publicity for an upcoming academic talk, of interest only if (1) you will be in Pittsburgh and (2) you care about whether scientific research can be reproduced. The timeliness of the opening talk of this year's statisti...

Read more »

P-values and statistical practice

September 4, 2015
By

What is a p-value in practice? The p-value is a measure of discrepancy of the fit of a model or “null hypothesis” H to data y. In theory the p-value is a continuous measure of evidence, but in practice it is typically trichotomized approximately into strong evidence, weak evidence, and no evidence (these can also […] The post P-values and statistical practice appeared first on Statistical Modeling, Causal Inference, and…

Read more »


Subscribe

Email:

  Subscribe