S6E16 Correspondence Analysis

Quantitude

#Higher Education #Natural Sciences #Social Sciences #Greg Hancock & Patrick Curran #Greg Hancock #Patrick Curran #Math #Science #Podcasting Education #Quantitative #Statistics #Research Methods #Psychology #Methodology #Scientific Method #Data #Data Science #Big Data #Analysis

46:39

“If we march into that village and we start trying to persecute people for using poison, something that's very illegal, nobody's going to talk to us. We're not going to find out where the poison came from. We're not going to be able to shut anything down. We should take the approach that people are using poison because they're desperate, because they see no other alternative.” – Andrew Stein Andrew Stein is a wildlife ecologist who spent the past 25 years studying human carnivore conflict from African wild dogs and lions in Kenya and Botswana to leopards and hyenas in Namibia. His work has long focused on finding ways for people and predators to coexist. He is the founder of CLAWS , an organization based in Botswana that's working at the intersection of cutting-edge wildlife research and community driven conservation. Since its start in 2014 and official launch as an NGO in 2020, CLAWS has been pioneering science-based, tech-forward strategies to reduce conflict between people and carnivores. By collaborating closely with local communities, especially traditional cattle herders, CLAWS supports both species conservation and rural livelihoods—making coexistence not just possible, but sustainable.…

about a year ago 46:41

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In this week's episode Greg and Patrick shine a flashlight on correspondence analysis and find that this is an extraordinarily cool yet often neglected method similar to factor analysis but applied to nominal contingency tables. Along the way they also discuss online personality tests, marital therapy, modern antibiotics, the Newlywed Game, grand slams, the advantages of being flexible, disrespecting nominal variables, formally apologizing to linguists, Winnie the Pooh, VH1's Pop-Up Video, the witches of Macbeth, Wait Wait Don't Tell Me, and the downsides of Novocaine.

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170 episodes

Quantitude

S6E16 Correspondence Analysis

Quantitude

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published about a year ago

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170 episodes

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Quantitude

1
S6E19 Misheard (Statistical) Lyrics: A Mixtape 45:32

2 days ago45:32

45:32

In this week's episode Patrick and Greg have some serious fun with song lyrics they misunderstood at some point in their personal lives. They then use this as a thinly veiled excuse to explore some very basic statistical things that they have also misunderstood at some point in their professional lives. Along the way they discuss over-engineered front ends, mumbling, Scaramouche, mondegreens, Tony Danza, Bingo Jed, word salad, containers, sitting next to Kurt Cobain, kicking cats, tiddles, ears ringing, the Dunder Chief, wrinkles in the space time continuum, naked or not, missing data bouncer, colite gas, and dying on the dance floor. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E18 Count Variables 42:24

16 days ago42:24

42:24

In today’s episode Patrick and Greg talk about outcomes that are count variables: when you need to worry about them and what you can do about them within your analytical models. Along the way they also mention: Bela Lugosi, Vlad the Impaler, Patrick the Poker, Count Chocula, Count von Count, drunken bar brawls, secret distributions, K!, bio breaks, second favorite child, Animal Farm, Cliff’s notes, A’s in band, and more equal zeros. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E17 Age-Period-Cohort Analysis 41:34

4 weeks ago41:34

41:34

In this week's episode Greg and Patrick explore both the challenges and the opportunities of age-period-cohort analysis when trying to understand the complexities of human behavior over time. Along the way they also discuss bachelor night, Dave Brubeck, pay phones, street lights, global nuclear war, lazy thinking, I'm not a crook, biking to grandmas, HMS Pinafore, the Beatles, aggressive mice, trash snakes, and getting high at A-Basin. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E16 Correspondence Analysis 46:41

6 weeks ago46:41

46:41

Quantitude

1
S6E15 Loglinear Models: Someone Should Have Told You 40:08

8 weeks ago40:08

40:08

In this week’s episode Greg and Patrick talk about loglinear models as a clever method to deconstruct the potential dependencies among two or more categorical variables. Along the way, they also discuss Children of the Corn, Mr. Magoo glasses, tighty whities, Fogo de Chão, blinded by hand soap, logarithms as drug mules, Euler Euler Euler, conspiracy boards and red yarn, M&M colors, depth perception problems, and apologies to Mrs. Johnson Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E14 Factor Rotation: But is it Art? 42:57

10 weeks ago42:57

42:57

In this week's episode Greg and Patrick invoke the very personal interpretation of modern art as a framework for thinking about the exceedingly cool topic of rotation in exploratory factor analysis. Along the way they also discuss Venice Beach, haystacks, drug fronts, being insufferable, ignoramuses, .22's and stop signs, weak pivots, honking factors, pooping out matrices, the Gulf of America, twitchy eyeballs, big fat zeros, obliquity, and Extortomax. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E13 Group Codes in GLM: Dummy and Dummier 45:47

12 weeks ago45:47

45:47

In this week's episode Greg and Patrick talk about group coding approaches, like dummy variables and effect code variables, for helping to analyze group differences within the larger general linear model. Along they way they also discuss hacking up a lung, made for audio faces, walking pneumonia, putting Vicks VapoRub on your feet, cards in your spokes, confusing rental cars, crash test dummies, what is your quest, 25-cent Nyquil night, Bonferroni glasses, the Romans, and Nyquil haze. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E12 Suppression Unrepressed 37:44

14 weeks ago37:44

37:44

In this week's episode Patrick and Greg explore the fascinating world of suppressor variables which have the nearly magical, yet fully understandable, distinction of being unrelated to the dependent variable yet serving to enhance the predictive utility of other variables in the model. Along the way they also discuss getting the giggles, giving away our secrets, Sigmund Freud, repressed variance, Greg's defense mechanisms, Keyser Soze, the Cookie Monster, squirrel proof bird feeders, World War II, street magicians, Paul's corpse, and before zero was invented. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E11 A Brief Holiday Message... 8:07

16 weeks ago8:07

8:07

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! Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com

Quantitude

1
S6E10 Instrumental Variables (Dad)Rock! 45:03

17 weeks ago45:03

45:03

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. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E09 Masterpiece Theatre: Skrondal & Laake (2001) 39:59

19 weeks ago39:59

39:59

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. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E08 The Statenfreude of Generalized Estimating Equations 42:49

21 weeks ago42:49

42:49

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. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E07 Structural After Measurement and the Muffin of Truth 42:25

23 weeks ago42:25

42:25

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. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E06 Pop Quiz: Acronyms 40:40

25 weeks ago40:40

40:40

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. Stay in contact with Quantitude! Web page: quantitudepod.org TwitterX: @quantitudepod YouTube: @quantitudepod Merch: redbubble.com…

Quantitude

1
S6E05 Cattell's Data Box 39:34

26 weeks ago39:34