This week we just want to wish everyone a wonderful holiday season, and we look forward to sharing more quant fun in the new year. Please take care everyone!

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In today’s episode, Greg and Patrick talk about instrumental variables: what they are, how they help to make causal claims, and the many assumptions and challenges associated with them. Along the way they also mention: Festival of Side Dishes, pilot turkeys, gutsy bagpipes, charter schools, drama kids, RCT wieners, Space Force, licking a rainbow, Duranimals, draft lotteries, shoelace color, buttress, mother-in-lawing, and kazoo duets.

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This week Patrick and Greg talk about one of Patrick's favorite papers, which is a masterpiece not only in terms of its quantitative contribution in understanding the differential role of factor scores, but also as a model of clear and concise technical communication. Along the way they also mention Sandals and Motel 6, hotel hangers and glasses, hitchhikers under the bed, icebreakers with Roger, David Mamet films, Patrick’s conversations with himself, Rondo, title colons, carving elephants, cursing Patrick in the dark, as the reader may demonstrate, tea leaves, Holzinger & Swineford, and bringing down the average IQ.

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In this week's episode, Patrick and Greg discuss the benefits and limitations of generalized estimating equations as an approach to dealing with data that violate the assumption of independence. Along the way they also mention: goat rodeos, haunted houses, jump scares, liberos, Haikyu!!, Whoa Ace!, dadenfreude, Otto, cutting the baguette, this just in, American Idiot, bing bong bing bong, my dad drinks Pepsi, and fine print.

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In this week's episode Greg and Patrick talk about the advantages of recent structural after measurement work, allowing us to break apart traditional structural equation models to analyze the measurement and structural portions separately. Along the way they also discuss the baseball playoffs, fire pit face plants, the gluten cabinet, pumpkin inadequacy, a soupçon of ginger, free range muffins, fancy pants souffles, drunken whac-a-mole, flexing lats, and blue on black.

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In this week's episode Greg tries to ambush Patrick by bringing back the popular feature Pop Quiz, this time with a statistical acronym theme, only to pretty much get crushed by Patrick in the end. Along they way they also discuss: Wow That's Fantastic, QR codes and octogenarians, Questionable Rectum, catharsis, grassy knolls, petards, Sean ringtones, pity minutes, apologies to Roy Levy, bad clock management, asteroid Roombas, pitching beach balls, statistical sock puppets, and the DIC talk.

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In this week's episode Patrick and Greg discuss Cattell's data box and try to better understand what it is, what it is not, and how we might make use of this in practice. Along the way they also discuss illegal knives, baseball cards, the Cubs and the Mariners, bicentennial quarters, how to load a dishwasher, horrible people, anal retentive friends, Flat Stanley, Dungeons & Dragons, pricing yourself out of business, needing 20 friends, being super pedantic, The Full Monty, stereograms, and magical statistical accessories.

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In this week's episode, Patrick and Greg talk about person-centered methods versus variable-centered methods with the punch line being that the historically contentious distinction between these two is unnecessary, unhelpful, and even counter-productive. Along the way they also mention lost luggage, Sabena Air t-shirts, the Inquisition, honey badger Americans, Fredrik Backman, punch lines, a frayed knot, the Keanu Reeves of statistics, new bosses and old bosses, non sequiturs, fffsssshhhhh, ergodicity, complimentary eye patches, and Atrick.

Stay in contact with Quantitude!

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