Statistical discrimination again

October 19, 2012
By

Mark Johnstone writes: I’ve recently been investigating a new European Court of Justice ruling on insurance calculations (on behalf of MoneySuperMarket) and I found something related to statistics that caught my attention. . . . The ruling (which comes into effect in December 2012) states that insurers in Europe can no longer provide different premiums [...]

Read more »

Interview with Rebecca Nugent of Carnegie Mellon University. In…

October 19, 2012
By

Interview with Rebecca Nugent of Carnegie Mellon University. In this episode Jeff and I talk with Rebecca Nugent, Associate Teaching Professor in the Department of Statistics at Carnegie Mellon University. We talk with her about her work with the Censu...

Read more »

Open data is the theme for this year’s Cathie Marsh Memorial Lecture | RSSeNews

October 19, 2012
By
Open data is the theme for this year’s Cathie Marsh Memorial Lecture | RSSeNews

Open data is the theme for this year’s Cathie Marsh Memorial Lecture | RSSeNews:October 18, 2012   News The government’s open data initiative will be under the spotlight in the 2012 Cathie Marsh Memorial Lecture at the Royal Statistical Societ...

Read more »

Badger calling

October 19, 2012
By
Badger calling

I was thinking of posting some thoughts on the talk that Christl Donnelly gave yesterday at the Symposium (in fact, I briefly commented on a previous post here). As it happens, this is one of the main news in today's papers, and so I'm spending a ...

Read more »

What’s wrong with this food picture?

October 19, 2012
By
What’s wrong with this food picture?

Here's a chart in the November edition of Bloomberg Markets: Curiosities include: how they split up the lamb chop, why an onion is chosen to represent "fresh vegetables/melons"? The chart contains some strange data that make readers feel nervous. For...

Read more »

“Intrade to the 57th power”

October 19, 2012
By

David Pennock writes: http://PredictWiseQ.com is our (beta) prediction contest which aims to estimate not just the marginal probabilities of election outcomes this November, but millions of correlations among outcomes as well, like the chance Obama will win both Ohio and Florida, or the chance Romney will win if the September jobs numbers are negative. It’s [...]

Read more »

Company Valuation using Discounted Cash Flows

October 19, 2012
By
Company Valuation using Discounted Cash Flows

Today I want to show a simple example of how we can value a company using Discounted Cash Flow (DCF) analysis. The idea is to compute the company’s Intrinsic Value based on the discounted future cash-flows. To compute future cash-flows I will use the historical Free Cash Flow growth rate. To compute present value of [...]

Read more »

PivotPaths: a Fluid Exploration of Interlinked Information Collections

October 18, 2012
By
PivotPaths: a Fluid Exploration of Interlinked Information Collections

PivotPaths [mariandoerk.de], developed by Marian Dörk and several academic collaborators, is an interactive visualization for exploring the interconnections between multiple resources. In its current demo rendition, the visualization is linked to...

Read more »

Statistics isn’t math but statistics can produce math

October 18, 2012
By

Mathgen, the web site that can produce randomly generated mathematics papers has apparently gotten a paper accepted in a peer-reviewed journal (although perhaps not the most reputable one). I am not at all surprised this happened, but it’s fun to...

Read more »

Query

October 18, 2012
By
Query

I was reviewing blog comments and various links people have sent me. I have noticed a kind of comment often arises about a type of (subjective?) Bayesian who does not assign probabilities to a general hypothesis H but only to observable events. In this way, it is claimed, one can avoid various criticisms but retain [...]

Read more »

slides for my simulation course

October 18, 2012
By
slides for my simulation course

Similar to last year, I am giving a series of lectures on simulation jointly as a Master course in Paris-Dauphine and as a 3rd year course in ENSAE. The course borrows from both the books Monte Carlo Statistical Methods and from Introduction to Monte Carlo Methods with R, with George Casella. Here are the three [...]

Read more »

IRB nightmares

October 18, 2012
By

Andrew Perrin nails it: Twice a year, like clockwork, the ethics cops at the IRB [institutional review board, the group on campus that has to approve research involving human subjects] take a break from deciding whether or not radioactive isotopes can be administered to prison populations to cure restless-leg syndrome to dream up some fancy [...]

Read more »

Introduction to Bayesian Methods guest lecture

October 18, 2012
By
Introduction to Bayesian Methods guest lecture

This is a talk I gave this week in Advanced Biostatistics at McGill. The goal was to provide an gentle introduction to Bayesian methodology and to demonstrate how it is used for inference and prediction. There is a link to an accompanying R script in the slides. &nbsp

Read more »

Panopticon 6: Revolutionary advanced data visualization system

October 18, 2012
By

From: http://www.panopticon.com/webinar/50Webinars > Panopticon 6: Revolutionary advanced data visualization systemPanopticon 6 is the latest generation of our advanced data visualization software suite. It is the next level in real-t...

Read more »

RMM-8: New Mayo paper: “StatSci and PhilSci: part 2 (Shallow vs Deep Explorations)”

October 17, 2012
By
RMM-8: New Mayo paper: “StatSci and PhilSci: part 2 (Shallow vs Deep Explorations)”

A new article of mine,  “Statistical Science and Philosophy of Science Part 2: Shallow versus Deep Explorations” has been published in the on-line journal, Rationality, Markets, and Morals (Special Topic: Statistical Science and Philosophy of Science: Where Do/Should They Meet?”). The contributions to this special volume began with the conference we ran in June 2010. [...]

Read more »

Rust

October 17, 2012
By
Rust

I happened to be referring to the path sampling paper today and took a look at Appendix A.2: I’m sure I could reconstruct all of this if I had to, but I certainly can’t read this sort of thing cold anymore.

Read more »

100!

October 17, 2012
By

Behavioral and Brain Sciences

Read more »

Shifting probability distributions

October 17, 2012
By

One reason the normal distribution is easy to work with is that you can vary the mean and variance independently. With other distribution families, the mean and variance may be linked in some nonlinear way. I was looking for a…Read more ›

Read more »

There was a story a few weeks ago on NPR about how Medicare will begin fining hospitals that have…

October 17, 2012
By

There was a story a few weeks ago on NPR about how Medicare will begin fining hospitals that have 30-day readmission rates that are too high. This process was introduced in the Affordable Care Act and Under the health care law, the penalties gradually...

Read more »

Johns Hopkins grad Anthony Damico shows how to make coffee with…

October 17, 2012
By

Johns Hopkins grad Anthony Damico shows how to make coffee with R (except not really). The BLS mug is what makes it for me.

Read more »

Specify the colors of groups in SAS statistical graphics

October 17, 2012
By
Specify the colors of groups in SAS statistical graphics

Sometimes a graph is more interpretable if you assign specific colors to categories. For example, if you are graphing the number of Olympic medals won by various countries at the 2012 London Olympics, you might want to assign the colors gold, silver, and bronze to represent first-, second-, and third-place [...]

Read more »

Scotland don’t leave us!

October 17, 2012
By

Last Saturday we went to the BBC to be part of the audience in a recording for a radio show. That's something we quite often do, since Marta discovered that you just need to apply and then you've got a pretty good chance of "winning" free tickets (espe...

Read more »

Abstraction and Refactoring (Introduction to Statistical Computing)

October 16, 2012
By

Lecture 13: Abstraction as a way to make programming more friendly to human beings. Refactoring as a form of abstraction. The rectification of names. Consolidation of related values into objects. Extracting common operations. Defining general operat...

Read more »


Subscribe

Email:

  Subscribe