Patrick Curran

S3E15: Heywood You Help Me With Negative Residual Variances?

Uncategorized / 2 minutes of reading

In today’s episode Greg & Patrick discuss the causes, consequences, and potential solutions associated with negative residual variances in factor analyses, a condition commonly called a Heywood case. Along the we way they also discuss vegetarian pepperoni, Jaws Part 2, coffin seat belts, balancing a ship, bad puns, sterilizing needles, dead canaries, hitchhikers, legal depositions, […]

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S3E14: Patrick & Greg’s New Year’s Balls Drop

Uncategorized / 2 minutes of reading

Greg and Patrick, perched in a glass booth high above New York’s Times Square, ring in 2022 with the help of some friends by counting down quantitative New Year’s resolutions. Along the way they also mention QPod catheters, Dr. Ruth Westheimer, groin height, yelling at NPR, Shimmer, O’Nuckles, intellectual gooses, European Quanterati, smoldering corpses, Dilbert,

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S3E13: The Actor-Partner Interdependence Model

Uncategorized / 2 minutes of reading

In today’s episode, Greg and Patrick talk about the rich array of models for testing hypotheses about mutual influences between people within a dyadic relationship. Along the way they also discuss bones to pick, red herrings, bad influences, cow nutrition, playing both sides of the ball, Deion Sanders, the mind’s eye, it’s not me it’s

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S3E12: The History of Measurement: A Conversation with Derek Briggs

Uncategorized / 1 minute of reading

Patrick and Greg have an in-depth conversation with Derek Briggs, from the University of Colorado, about his new book exploring the fascinating and at times uncomfortable history of measurement and the people who helped develop methods we still use today. Along the way they also mention: outsourcing parenting, where do babies come from, hearing colors,

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S3E11: The Cons and the Cons of Median Splits

Uncategorized / 1 minute of reading

Greg and Patrick talk about median splits and other ways that continuous variables might be categorized to simplify analyses, and the often very high cost of doing so. Along the way they also mention Never Have I Ever, hand cuffs, gold hoop earrings, bungee jumping, Erik, Henry and Penny, having a mini, chug jugs, Hill

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S3E10: Observation and Exploration

Uncategorized / 1 minute of reading

Patrick and Greg discuss the often forgotten importance of observation and exploration for the purpose of suggesting patterns and forming hypotheses, which can later be refined and rigorously tested within the framework of our well-developed confirmatory machinery. Along the they way they also discuss Orlando road trips, our inner child, crappy glue, melted chocolate, leaning

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S3E09: Semi-Partially Clarifying Measures of Association in Regression

Uncategorized / 1 minute of reading

Patrick and Greg answer a mailbag question about some foundational principles of regression and correlation, specifically the differences among correlation, standardized regression weights, semi-partial correlations, and partial correlations. They also check in with someone from Season 2: Amanda Montoya’s undergrad mentee, Kat. Along the way, they also mention: Ap Olo Gies, mocking by text, particle

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S3E08: Statistical Degrees of Freedom…An Intimate Stranger

Uncategorized / 1 minute of reading

In today’s episode Patrick and Greg talk about statistical degrees of freedom: what they represent, how they are computed, and the importance they play in daily life. Along the way they also mention color blindness, the Skinnylicious menu, Kevin Bacon, Elmo’s Diner, the flatties, Amtrak, drinking Guinness at room temperature, sudoku, courage, paying the reaper,

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S3E07: In Defense of Researcher Degrees of Freedom

Uncategorized / 1 minute of reading

In this episode, Greg and Patrick discuss the many places where researchers make decisions throughout the research process, and they weigh the pros and cons of those researchers having such decision-making freedom. Along the way, they also mention Lucky Charms, frozen waffles for dinner, the fifth down, forking paths, Dirty Deeds Done Dirt Cheap, sharks

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S2E27: (re)Connecting With Discrete Data

Uncategorized / 2 minutes of reading

In this episode Patrick and Greg discuss the challenges of having ordered categorical data, as well as the seemingly magical limited information and full information analytical options to deal with such data. Along the way they also discuss sky cranes, the Mars Climate Orbiter, metric vs. imperial units of measurement, Lockheed-Martin, left hands and right

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