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Distinguished Speaker Series: A Seminar taught by Daniela Witten
“Valid Inference with Double Dipping”

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Good to Go? When to Stop Developing a Machine Learning Pipeline and Start Applying It.

Gain hands-on experience with machine learning tools and methodologies in Machine Learning, taught by Professor Desmarais. You’ll deepen your understanding of how machine learning can be applied to...
Bruce Desmarais November 19, 2024

What’s So Special About Logit?

For the analysis of binary data, logistic regression dominates all other methods in both the social and biomedical sciences. It wasn’t...
Apr 01, 2015
14

Imputation by Predictive Mean Matching: Promise & Peril

Predictive mean matching (PMM) is an attractive way to do multiple imputation for missing data, especially for imputing quantitative variables that...
Mar 05, 2015
24

Getting the Lags Right

In my November and December posts, I extolled the virtues of SEM for estimating dynamic panel models. By combining fixed effects...
Feb 10, 2015
5

More on Causal Inference With Panel Data

This is a follow-up to last month’s post, in which I considered the use of panel data to answer questions about...
Nov 25, 2014

Using Panel Data to Infer Causal Direction: ML vs. Arellano-Bond

Does x cause y or does y cause x? Virtually everyone agrees that cross-sectional data are of no use in answering...
Nov 03, 2014
4

Sensitivity Analysis for Not Missing at Random

When I teach my seminar on Missing Data, the most common question I get is “What can I do if my...
Sep 25, 2014
7

Problems with the Hybrid Method

For several years now, I’ve been promoting something I called the “hybrid method” as a way of analyzing longitudinal and other...
Sep 02, 2014
23

Free SAS!

UPDATE, 11 February 2021.  SAS University Edition will soon be phased out.  It will end completely on Aug. 2, 2021. You...
Jul 24, 2014
43

Prediction vs. Causation in Regression Analysis

In the first chapter of my 1999 book Multiple Regression, I wrote, “There are two main uses of multiple regression: prediction...
Jul 08, 2014
69

Listwise Deletion: It’s NOT Evil

At the 1998 Annual Meeting of the American Political Science Association, Gary King and three co-authors presented a paper titled “Listwise...
Jun 13, 2014
2

Another Goodness-of-Fit Test for Logistic Regression

In my April post, I described a new method for testing the goodness of fit (GOF) of a logistic regression model...
May 07, 2014
10

Alternatives to the Hosmer-Lemeshow Test

In my post of March 2013, I pointed out some of the deficiencies of the Hosmer-Lemeshow test for goodness-of-fit (GOF) of...
Apr 09, 2014
6