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Distinguished Speaker Series: A Seminar taught by John P. A. Ioannidis
“Reproducible and Useful Research: The Replication Crisis and Solutions”

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Supercharge Your Classifier Development with Active Learning

Discover how active learning and other advanced techniques can improve model efficiency in Advanced Machine Learning, taught by Professor Desmarais. This seminar equips researchers to tackle complex data...
Bruce Desmarais July 7, 2025

How many imputations do you need?

When using multiple imputation, you may wonder how many imputations you need. A simple answer is that more imputations are better....
Oct 30, 2019
1

R Should Be Your Second Language (If It’s Not Already Your First)

When R first came out, around the year 2000, I was really excited.  Here was a powerful, programmable statistical package that...
Apr 19, 2019
11

Asymmetric Fixed Effects Models for Panel Data

Standard methods for the analysis of panel data depend on an assumption of directional symmetry that most researchers don’t even think...
Oct 12, 2018
25

Instrumental Variables in Structural Equation Models

When I teach courses on structural equation modeling (SEM), I tell my students that any model with instrumental variables can be...
Jun 26, 2018
18

For Causal Analysis of Competing Risks, Don’t Use Fine & Gray’s Subdistribution Method

Competing risks are common in the analysis of event time data. The classic example is death, with distinctions among different kinds...
Mar 24, 2018
24

Using “Between-Within” Models to Estimate Contextual Effects

In my courses and books on longitudinal data analysis, I spend a lot of time talking about the between-within model for...
Jul 26, 2017
8

The Peculiarities of Missing at Random

I thought I knew what it meant for data to be missing at random. After all, I’ve written a book titled...
Jun 06, 2017

In Defense of Logit – Part 2

In my last post, I explained several reasons why I prefer logistic regression over a linear probability model estimated by ordinary...
Apr 27, 2017

In Defense of Logit – Part 1

In a recent guest blog, Paul von Hippel extended his earlier argument that there are many situations in which a linear...
Mar 28, 2017
4

When Can You Fit a Linear Probability Model? More Often Than You Think

In July 2015 I pointed out some advantages of the linear probability model over the logistic model. The linear model is...
Mar 08, 2017
2

Causal Mediation Analysis

On April 21-22, 2017, I will be offering a seminar on causal mediation analysis in Philadelphia with Statistical Horizons. The course...
Mar 06, 2017

Teaching Stata in Bangladesh

When Paul Allison asked me if I wanted to teach a course in Bangladesh, my first reaction was confusion.  Other than...
Sep 18, 2015
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