In today’s episode, Patrick and Greg talk about those critical distributions that often go un-discussed -- noncentral distributions -- including their relation to the more familiar central distributions, their role in power and sample size determination, and how they are used in assessing data-model fit. Along the way they also mention back porch reading, latent class of one, statistical concepts as personality characteristics,  double doink, Brilliant!, cocktail party banter, reaching into your d-bag, Minitab macros, sucking good practice out of your field, Patrick's ..read more

In today’s episode, Greg and Patrick talk about model under-, just-, and over-identification, starting with the algebraic foundations and moving into implications for the practice of structural equation modeling. Along the way they also mention shagging cars, new Ferraris, bank statements, prerecorded reactions, Quantitude implied contract, necessary & sufficient, walk of shame, Patrick’s Roz impression, working with explosives, potluck freeloaders, fixing a loading to your home address, and bad maps. Stay in contact with Quantitude! Twitter: @quantitudepod Web page: quantitudepod.org Mer ..read more

 In today's episode Patrick and Greg talk about that sweet spot between panel designs and time series designs, intensive longitudinal data — both the logistical and analytical challenges, but more importantly its tremendous potential.  Along the way they also mention camp fire face-plants, fear of horses, your spare eyelid, polishing your Nobel Prize, ripples in a pond, lick'm-sir, August 14th, the basketball effect, Southwest boarding number B14, high school math teacher apologies, open mic night, and umbrella shopping.  Stay in contact with Quantitude! Twitter: @quantitudepod ..read more

In this week's episode Greg and Patrick get to explore modern methods for missing data analysis while belaboring quotes from Top Gun with their guest Craig Enders from the University of California at Los Angeles. Craig looks back over the past 20 years of developments in missing data analysis to discuss what has worked, what hasn't worked, and what new methods are available now that we didn't have back then. Along the way they also discuss Sean, Not Sean, going to the movies, grumpy old man mode, wiener boy, grave digger, Venice beach zoom backgrounds, Lie Awake, hung over GREs, Greg's grandmo ..read more

In this week's Halloween-themed episode, Patrick and Greg have fun talking about things in their academic jobs that scare them, from things that are a little scary to things that they find absolutely terrifying. Along the way they also discuss Mrs. Kopicky's caramel popcorn balls, Wolf of Wall Street, Kenny T, forgetting you've told a story before, forgetting you've told a story before, recurring nightmares, bending but not breaking, the zeta of teaching, Royale with Cheese, necessary roughness, authoritative parenting, shotgunning Pixie Stix, feelings integers, and if ain't Baroque.  Sta ..read more

In this week's episode Greg and Patrick talk about the frequent gap between research questions and methods and ways to think about reengineering your variables, your parameters, or your entire model to help get what you want. Along the way they also mention: living in the dorms, Greek god sculpture rockets, not living in the dorms, Christmas tree timers, Def Leppard, Legos, Annie's flower shop, laser cannons, chin music, the tail wagging the dog, the Millennium Falcon, Greenday, stupid human tricks, Tony Robbins, Stuart Smalley, and Iron Man.  Stay in contact with Quantitude! Twitter: @q ..read more

In this week's episode Patrick and Greg spend a wonderful, if not at times awkward, hour talking with Dan Bauer about the genesis, application, and future directions of what may be the world's worst acronym: MNLFA, or moderated nonlinear factor analysis. Along the way they also mention unsolicited help from teenagers, gold stars, acronyms, words that start with "ci", aggressive mice, manipulating your advisors, 2nd spouses, MoNoLiFa, Quantitube, rewiring your brain, $1M calculators, and mod mod ..read more

In this week's episode Greg and Patrick talk about partial least squares, a technique that resembles structural equation modeling but with a lot of flexibility, including but not limited to its ability to accommodate both reflective and formative constructs. Along the way they also mention dark RedBubble, Sheep’s Kin, snorting SEM, the Coors Light beer bong, Hotelling's ghost, Larry the Cable Guy, the Marvel Metaverse, the Evil Eye, Badluck Schleprock, fika, Abba, and pieces left on the table.  ..read more

In this week's episode Patrick and Greg explore the often neglected method of two-stage least squares; they take a walk down memory lane to explore its origins and then drag it kicking and screaming into the 21st century for much promising use within the latent variable model. Along the way they also mention magic dishwashers, being under-estimated, blind pigs & truffles, Sadie Hawkins, intellectual spinning hook kicks, Fisher's eight-pack abs, the fine print, Winston Churchill vs. Chewbacca, Guinea pigs, Mrs. Lincoln, butter snacks, and snipe hunts ..read more

In the opening episode to Season 4, Greg and Patrick delve into ordinary least squares estimation: where it came from, what it attempts to achieve, and where it can take us from here. Along the way they also discuss Golden Retrievers who are neither golden nor retrieve, Olivia Newton-John, sub-conning out their own work,  the meat sweats, sh*t you should know, being intolerably self-righteous, losing your camel, saying ham in French, Calvinball, Frank finding Gauss's corpse, crudely describing regression, and Sexy Hulk.  ..read more