Juan F. Tellez
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Blog
Year in Content
The year in
content
: 2025
Here’s all the content I consumed in 2025. The music data comes from Apple Music, the books from Goodreads, and the movies from Letterboxd.
Juan Tellez
Dec 31, 2025
The year in
content
: 2024
Here’s all the content I consumed this year. The music data comes from Apple Music, the books from Goodreads, and the movies from Letterboxd.
Juan Tellez
Dec 31, 2023
The year in
content
: 2023
Here’s all the content I consumed in 2023. The music data comes from Apple Music, the books from Goodreads, and the movies from Letterboxd.
Juan Tellez
Dec 31, 2022
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Posts
Places I’ve been
R
travel
Here’s a list of places I’ve traveled to that I’ll hopefully keep updating. I’m probably missing a bunch of trips to Colombia but haven’t kept close tally.
Feb 21, 2026
Juan Tellez
Multicollinearity is a reality problem
R
causality
In grad school I was introduced to the problem of “multicollinearity”. This is the idea that if your explanatory variables are “too” correlated this will create issues with…
Feb 21, 2026
Juan Tellez
The
juanr
package
Some datasets for teaching and poking around
R
data
teaching
I maintain an R package called
juanr
that I use for teaching. It’s a grab-bag of 30+ datasets that I’ve collected over the years from published research, government sources…
Feb 20, 2026
Juan Tellez
What do controls do?
R
causality
When I first learned about regression I found the use of
controls
mysterious. The “why” was clear: we have a situation where we want to estimate the effect of
\(X\)
on
\(Y\)
…
Jan 1, 2026
Juan Tellez
Working with PRIO-GRID data
Walkthrough of the PRIO-GRID data in R.
PRIO-GRID breaks up the Earth into a grid of little squares, or cells, each of which is 0.5 x 0.5 decimal degrees (roughly 50 x 50 km at the equator; you can read more about…
Dec 31, 2020
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Book Reviews
Books: March 2026
books
economics
politics
violence
⭐⭐⭐ I first heard of this book because of the associated poster the author sells. It depicts 4,000 boxes, one for each week of the average lifespan. When you order it you…
Mar 31, 2026
Juan Tellez
Books: February 2026
books
biography
democracy
fiction
history
philosophy
politics
religion
russia
sci-fi
violence
ww2
⭐⭐⭐⭐⭐ Now this is why we get up in the morning. What a great book. Something noteworthy: in the introduction, Tooze writes that he will not lay out the book’s core…
Feb 28, 2026
Juan Tellez
Books: January 2026
books
africa
democracy
fiction
history
middle-east
politics
religion
russia
violence
ww2
⭐⭐⭐⭐ I heard about this book on the [[Fall of Ottoman Empire, empire pod]] podcast. I was inspired to read it after finishing [[My name is red]] but also from realizing how…
Jan 31, 2026
Juan Tellez
Books: December 2025
books
history
philosophy
politics
⭐⭐ I have been interested in Lacan since I first (tried to) read him in college. Around that time I heard about Zizek and read some of his easier stuff, watched the…
Dec 31, 2025
Juan Tellez
Books: November 2025
books
asia
democracy
history
memoir
music
politics
religion
russia
violence
ww2
⭐⭐⭐⭐ > Brock Vond’s genius was to have seen in the activities of the sixties left not threats to order but unacknowledged desires for it. While the Tube was proclaiming…
Nov 30, 2025
Juan Tellez
Books: October 2025
books
africa
asia
democracy
history
latin-america
politics
russia
violence
⭐⭐⭐ This book, about a series of drug-related murders in Fort Bragg (Fayetteville, NC), can be read at a couple of different levels. The lowest level is “true crime”, where…
Oct 31, 2025
Juan Tellez
Books: September 2025
books
africa
asia
biography
democracy
economics
history
memoir
middle-east
music
philosophy
politics
religion
violence
ww2
⭐⭐⭐⭐⭐ I’m still not sure how we went from: a world where newspapers with large teams, high-quality editing, and expensive reporting would struggle to get people to sign up…
Sep 30, 2025
Juan Tellez
Books: August 2025
books
biography
history
latin-america
music
philosophy
violence
⭐⭐⭐ This book is part of a series by the child developmental psychologist Louise Bates Ames. Each short book covers a year in the life of the child: how the child is…
Aug 31, 2025
Juan Tellez
Books: July 2025
books
fiction
history
politics
violence
⭐⭐⭐⭐⭐
My Name Is Red
is Orhan Pamuk’s best-known book, at least in the West. Pamuk is also Turkey’s best-known fiction writer, at least in the West. So this is Turkish…
Jul 31, 2025
Juan Tellez
Books: May 2025
books
violence
⭐⭐
Right-Wing Women
got billed as an analysis of women on the right by the firebrand feminist Andrea Dworkin. But the book is much broader, also delving into Dworkin’s…
May 31, 2025
Juan Tellez
Books: April 2025
books
history
latin-america
politics
violence
⭐ The “end of the world” in the title refers to a remote town in the state of Bahia, Brazil, where a staggering 25,000 people, led by a messianic figure known as Antônio…
Apr 30, 2025
Juan Tellez
Books: March 2025
books
asia
democracy
economics
history
politics
ww2
⭐⭐⭐⭐
How Asia Works
argues that the reason some Asian economies succeeded (the “tiger” economies: Japan, Taiwan, South Korea) and others failed (the Philippines, Myanmar)…
Mar 31, 2025
Juan Tellez
Books: February 2025
books
fiction
latin-america
politics
violence
⭐⭐⭐⭐ The
Frontier Effect
is a book about Urabá, a region in Colombia near the border with Panama. Urabá is a microcosm of the country’s violent conflicts – you can see every…
Feb 28, 2025
Juan Tellez
Books: January 2025
books
asia
fiction
history
latin-america
memoir
philosophy
politics
violence
ww2
⭐⭐⭐⭐ I took a moral philosophy class in college that has stuck with me, one reason being that the professor told us that semester he had been denied tenure and would be…
Jan 31, 2025
Juan Tellez
Books: December 2024
books
asia
history
politics
russia
⭐⭐⭐⭐
Collapse
is a history of the final days of the Soviet Union, from Gorbachev’s ascent to the hammer and sickle over the Kremlin being replaced by the Russian flag.
Dec 31, 2024
Juan Tellez
Books: October 2024
books
fiction
latin-america
memoir
politics
violence
⭐⭐⭐⭐⭐
Lituma en los Andes
is a classic mystery novel following a cop stationed in a remote, highland mining town in Peru rumored to be at risk of capture by the Shining Path.
Oct 31, 2024
Juan Tellez
Books: September 2024
books
fiction
middle-east
politics
russia
violence
ww2
⭐⭐⭐ In
Nonstate Warfare
, Biddle wants to challenge the assumption that state and non-state armed groups fight in fundamentally different ways, with the former using…
Sep 30, 2024
Juan Tellez
Books: August 2024
books
economics
fiction
history
memoir
politics
sci-fi
violence
ww2
⭐⭐⭐⭐ This book threw me off my reading streak. For parts it felt like the best science fiction I’ve read. The focus on the relationships and politics of Mars colonization is…
Aug 31, 2024
Juan Tellez
Books: June 2024
books
africa
history
latin-america
politics
⭐⭐⭐⭐⭐
States and Power in Africa
is probably one of the best social science books of the last twenty years. It’s about state capacity in Africa, why it’s so low, and the…
Jun 30, 2024
Juan Tellez
Books: May 2024
books
fiction
history
latin-america
politics
russia
violence
ww2
⭐ This is a book about Colombian history from about 1830 to 1958. It’s a strange book – some chapters are just one or two pages long, two chapters have the same name with…
May 31, 2024
Juan Tellez
Books: April 2024
books
fiction
history
philosophy
politics
sci-fi
ww2
⭐⭐⭐
Ubik
at first seems to be about a future where people with extrasensory powers battle on behalf of private corporations. But this is mostly a red herring. The story…
Apr 30, 2024
Juan Tellez
Books: March 2024
books
violence
ww2
⭐⭐⭐
Time Shelter
mostly uses a loose plot about a psychiatrist building hyper-real, decade-specific amusement parks to riff on memory: how some things can’t be forgotten…
Mar 31, 2024
Juan Tellez
Books: February 2024
books
economics
politics
⭐⭐⭐⭐ Kropotkin’s
Mutual Aid
was a surprising read. I was vaguely aware of him, knew he was an anarchist writing in the late 1800s, and expected dense, militant writing. But…
Feb 29, 2024
Juan Tellez
Books: January 2024
books
politics
⭐⭐⭐⭐ Super readable, impressive use of primary sources and poems. Interesting how much domestic political dynamics drive British decision to invade Afghanistan. One concern…
Jan 31, 2024
Juan Tellez
Books: November 2023
books
russia
⭐⭐ There are beautiful moments in this book. A memorable description of his family eating lentils and everyone seeing the bugs in the food. But writers and poets can be so…
Nov 30, 2023
Juan Tellez
Books: October 2023
books
memoir
⭐⭐⭐⭐⭐ The best forever-war memoir. Clean, almost unsettlingly detached narration. Gives a unique feel for the place and the texture of war, plus absurdities that are almost…
Oct 31, 2023
Juan Tellez
Books: August 2023
books
fiction
history
latin-america
violence
⭐⭐⭐⭐ An unusual book by a historian in that there are no cited sources or any “show your work” language in the text, which I found frustrating, though there are works…
Aug 31, 2023
Juan Tellez
Books: July 2023
books
asia
⭐ No clue why the French feel they need to write like this. Couldn’t finish it.
Jul 31, 2023
Juan Tellez
Books: June 2023
books
history
latin-america
politics
⭐⭐⭐⭐ Well written, feels like it could be used in a writing course as a template for plot and character development. Stevens is a great character, verging on caricature at…
Jun 30, 2023
Juan Tellez
Books: May 2023
books
history
⭐⭐⭐⭐ This guy sounds like a crank and he says some odd stuff, but the first few chapters are very good and his excitement is fun.
May 31, 2023
Juan Tellez
Books: April 2023
books
history
philosophy
religion
⭐⭐⭐⭐ Coming off two other books on Buddhism and knowing little about psychoanalysis, I found this fascinating and convincing in the parallels between the two. Psychoanalysis…
Apr 30, 2023
Juan Tellez
Books: February 2023
books
latin-america
⭐⭐⭐⭐⭐ Beautiful book, epic love letter to Mexico. The “main” plot bookending all of the little stories is genius. Read it in Spanish, which I haven’t done much of lately…
Feb 28, 2023
Juan Tellez
Books: December 2022
books
politics
russia
violence
⭐⭐⭐⭐ Great book, lots of surprising anecdotes and stories from a “bottom-up” perspective in the 1930s. Contrasts the conventional wisdom of Stalin leading everyone by the…
Dec 31, 2022
Juan Tellez
Books: November 2022
books
russia
ww2
⭐⭐⭐⭐ Sets up an interesting puzzle: why the terror? The author makes a good case that Stalin’s terror stands apart from conventional autocrat “coup-proofing”. But in the end…
Nov 30, 2022
Juan Tellez
Books: October 2022
books
biography
philosophy
religion
⭐⭐⭐ Pretty moments and useful metaphors throughout. Writing is clear and simple. The stuff on ethics, though, is mostly disappointing and you could see these ideas being…
Oct 31, 2022
Juan Tellez
Books: September 2022
books
⭐⭐⭐⭐ Really enjoyed reading this but now I remember nothing of it. Maybe a reread?
Sep 30, 2022
Juan Tellez
Books: August 2022
books
religion
⭐⭐ A few interesting glimpses of life in Moscow in the 1920s. The Devil and Pontius Pilate sections are also interesting but don’t get much play. Beyond that there doesn’t…
Aug 31, 2022
Juan Tellez
Books: July 2022
books
biography
politics
religion
russia
ww2
⭐⭐⭐⭐ I think about this book a lot. The famous story of Saint Anthony in the cave, tormented by the devil, but the way he does it is very interesting: he shows Anthony all…
Jul 31, 2022
Juan Tellez
Books: July 2017
books
⭐⭐⭐⭐ This was a re-read for me. Perfect compromise of density and levity which is probably why this is the starter Pynchon. No one makes you feel you’re stoned like Pynchon.
Jul 31, 2017
Juan Tellez
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