Daniel on Stan at the NYC Machine Learning Meetup

August 19, 2015
By
Daniel on Stan at the NYC Machine Learning Meetup

I (Daniel) will be giving a Stan overview talk on Thursday, August 20, 7 pm. Bob gave a talk there 3.5 years ago. My talk will be light and include where we’ve been and where we’re going.   P.S. If you make it, find me. I have Stan stickers to give out. P.P.S. Stan is […] The post Daniel on Stan at the NYC Machine Learning Meetup appeared first on…

Read more »

Display of Geographic Data in R

August 18, 2015
By

This was a deck used in my presentation to the Inland Northwest R user Group this past Friday (August 14, 2015). It relies on the work done by many folks, including Ari Lamstein, Kyle Walker, Erik Erhardt, and the kind folks at R-Studio. Please click o...

Read more »

The Inspection Paradox is Everywhere

August 18, 2015
By
The Inspection Paradox is Everywhere

The following is a draft of an article I have submitted for publication in CHANCE Magazine, a publication of the American Statistical Association. With their encouragement, I am publishing it here to solicit comments from readers (and possibly correct...

Read more »

Macartan Humphreys on the Worm Wars

August 18, 2015
By
Macartan Humphreys on the Worm Wars

My Columbia political science colleague shares “What Has Been Learned from the Deworming Replications: A Nonpartisan View”: Last month there was another battle in a dispute between economists and epidemiologists over the merits of mass deworming.1 In brief, economists claim there is clear evidence that cheap deworming interventions have large effects on welfare via increased […] The post Macartan Humphreys on the Worm Wars appeared first on Statistical Modeling, Causal…

Read more »

Visualising theoretical distributions of GLMs

August 18, 2015
By
Visualising theoretical distributions of GLMs

Two weeks ago I discussed various linear and generalised linear models in R using ice cream sales statistics. The data showed not surprisingly that more ice cream was sold at higher temperatures.icecream

Read more »

My 2 classes this fall

August 17, 2015
By

Stat 6103, Bayesian Data Analysis Modern Bayesian methods offer an amazing toolbox for solving science and engineering problems. We will go through the book Bayesian Data Analysis and do applied statistical modeling using Stan, using R (or Python or Julia if you prefer) to preprocess the data and postprocess the analysis. We will also discuss […] The post My 2 classes this fall appeared first on Statistical Modeling, Causal Inference,…

Read more »

On deck this week

August 17, 2015
By

Mon: My 2 classes this fall Tues: “Soylent 1.5” < black beans and yoghurt Wed: 0.05 is a joke Thurs: Data-analysis assignments for BDA class Fri: Aahhhhh, young people! Sat: Plaig! (non-Wegman edition) Sun: We provide a service The post On deck this week appeared first on Statistical Modeling, Causal Inference, and Social Science.

Read more »

Reimagining the league table

August 17, 2015
By
Reimagining the league table

The reason for the infrequent posting is my travel schedule. I spent the past week in Seattle at JSM. This is an annual meeting of statisticians. I presented some work on fantasy football data that I started while writing Numbersense....

Read more »

Slides of 10+ excellent tutorials at KDD 2015: Spark, graph mining and many more

August 17, 2015
By
Slides of 10+ excellent tutorials at KDD 2015: Spark, graph mining and many more

by Yanchang Zhao RDataMining.com I attended the KDD 2015 conference in Sydney last week. At the conference, there were more than 10 tutorials and I went to two of them, which are 1) Graph-Based User Behavior Modeling: From Prediction to … Continue reading →

Read more »

Create heat maps with PROC SGPLOT

August 17, 2015
By
Create heat maps with PROC SGPLOT

When SAS 9.4m3 was released last month (including SAS/STAT and SAS/IML 14.1), I was happy to see that a HEATMAP statement had been added to the SGPLOT procedure. Although heat maps in the SAS/IML language have been available for several releases, you previously had to use the Graph Template Language […] The post Create heat maps with PROC SGPLOT appeared first on The DO Loop.

Read more »

R, Python, and SAS: Getting Started with Linear Regression

August 17, 2015
By
R, Python, and SAS: Getting Started with Linear Regression

Consider the linear regression model, $$ y_i=f_i(\boldsymbol{x}|\boldsymbol{\beta})+\varepsilon_i, $$ where $y_i$ is the response or the dependent variable at the $i$th case, $i=1,\cdots, N$ and the predictor or the independent variable is the $\boldsymbol{x}$ term defined in the mean function $f_i(\boldsymbol{x}|\boldsymbol{\beta})$. For simplicity, consider the following simple linear regression (SLR) model, $$ y_i=\beta_0+\beta_1x_i+\varepsilon_i. $$ To obtain the (best) estimate of $\beta_0$ and $\beta_1$, we solve for the least residual sum of…

Read more »

A case in which metric data are better analyzed by an ordinal model

August 17, 2015
By
A case in which metric data are better analyzed by an ordinal model

Here we consider some data that might have been smoothly distributed over a metric scale, but ended up being concentrated on only a few values. The usual treatment of the data as normally or t-distributed is not appropriate, and instead the data are bi...

Read more »

Rockin the tabloids

August 16, 2015
By

Rick Gerkin points me to this opinion piece from a couple years ago by biologist Randy Schekman, titled “How journals like Nature, Cell and Science are damaging science” and subtitled “The incentives offered by top journals distort science, just as big bonuses distort banking.” Here’s Schekman: The prevailing structures of personal reputation and career advancement […] The post Rockin the tabloids appeared first on Statistical Modeling, Causal Inference, and Social…

Read more »

Seattle histogram

August 16, 2015
By
Seattle histogram

Filed under: pictures, R, Statistics, Travel Tagged: histogram, sculpture, Seattle, Washington Convention Center

Read more »

Manski on Uncertainty in Official Statistics

August 16, 2015
By

Chuck Manski has a fascinating forthcoming Journal of Economic Literature piece, "Communicating Uncertainty in Official Economic Statistics: An Appraisal Fifty Years After Morgenstern."Manski's subtitle refers to Oskar Morgenstern's book, On ...

Read more »

The Rise of the Robots (Advisors…)

August 15, 2015
By
The Rise of the Robots (Advisors…)

The Asset Management industry is on the verge of a major change. Over the last couple of years Robots Advisors (RA) have emerged as new players. The term itself is hard to define as it encompasses a large variety of services. Some are designed to help traditional advisers to better allocate their clients money and some are […]

Read more »

Calling R from Scala sbt projects using rscala

August 15, 2015
By
Calling R from Scala sbt projects using rscala

Overview In the previous post I showed how the rscala package (which has replaced the jvmr package) can be used to call Scala code from within R. In this post I will show how to call R from Scala code. I have previously described how to do this using jvmr. This post is really just … Continue reading Calling R from Scala sbt projects using rscala

Read more »

Calling R from Scala sbt projects using rscala

August 15, 2015
By
Calling R from Scala sbt projects using rscala

Overview In the previous post I showed how the rscala package (which has replaced the jvmr package) can be used to call Scala code from within R. In this post I will show how to call R from Scala code. I have previously described how to do this using jvmr. This post is really just … Continue reading Calling R from Scala sbt projects using rscala

Read more »

Calling Scala code from R using rscala

August 15, 2015
By
Calling Scala code from R using rscala

Introduction In a previous post I looked at how to call Scala code from R using a CRAN package called jvmr. This package now seems to have been replaced by a new package called rscala. Like the old package, it requires a pre-existing Java installation. Unlike the old package, however, it no longer depends on … Continue reading Calling Scala code from R using rscala

Read more »

Calling Scala code from R using rscala

August 15, 2015
By
Calling Scala code from R using rscala

Introduction In a previous post I looked at how to call Scala code from R using a CRAN package called jvmr. This package now seems to have been replaced by a new package called rscala. Like the old package, it requires a pre-existing Java installation. Unlike the old package, however, it no longer depends on … Continue reading Calling Scala code from R using rscala

Read more »

Why couldn’t Breaking Bad find Mexican Mexicans?

August 15, 2015
By

Watching “Breaking Bad” . . . I’m told on good authority that may of the actors playing Mexicans are not actually Mexican; some of them can barely speak Spanish at all. Whassup with that? How hard is it to find a Mexican actor in LA...

Read more »

ShinyStan v2.0.0

August 14, 2015
By
ShinyStan v2.0.0

For those of you not familiar with ShinyStan, it is a graphical user interface for exploring Stan models (and more generally MCMC output from any software). For context, here’s the post on this blog first introducing ShinyStan (formerly shinyStan) from earlier this year. ShinyStan v2.0.0 released ShinyStan v2.0.0 is now available on CRAN. This is […] The post ShinyStan v2.0.0 appeared first on Statistical Modeling, Causal Inference, and Social Science.

Read more »

Harry S. Truman, Jesus H. Christ, Roy G. Biv

August 14, 2015
By

Are there any others? The post Harry S. Truman, Jesus H. Christ, Roy G. Biv appeared first on Statistical Modeling, Causal Inference, and Social Science.

Read more »


Subscribe

Email:

  Subscribe