Prof of political economy at University of Arizona. Economic/political institutions, microeconomics and game theory, political/moral philosophy, #rstats My books: https://amzn.to/37TkK5Phttps://bsky.app/profile/vladtarko.bsky.socialhttps://bsky.app/profile/vladtarko.bsky.social/post/3lp2wosxvj22gThe #rstats package for the "Approximate Maximum Influence Perturbation" method of assessing the robustness of your results -- finds the smallest number of observations which, if removed, eliminate the coefficient significance or flip its sign. https://github.com/rgiordan/zaminfluence13 May 2025 16:45 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lp2wosxvj22ghttps://bsky.app/profile/vladtarko.bsky.social/post/3llw2scpn7k27New job opening at University of Arizona in Department of Political Economy and Moral Science - the home of the PPEL major. Tenure-Track Assistant Professor, philosophers, political scientists, economists, or legal scholars all eligible to apply. https://arizona.csod.com/ux/ats/careersite/4/home/requisition/22281?c=arizona03 Apr 2025 14:00 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3llw2scpn7k27https://bsky.app/profile/vladtarko.bsky.social/post/3lclfcfltc22xWhat are some good studies about why US healthcare is so much more expensive than European systems? I'm guessing restricted supply is part of the story, but far from all.05 Dec 2024 19:22 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lclfcfltc22xhttps://bsky.app/profile/vladtarko.bsky.social/post/3lcdv2dyykc27It's really tempting to start using {tidyplot} instead of {ggplot2}. It doesn't cover all the cases I encounter (especially when two datasets are used for the same plot), but for most plots it's much simpler. #rstats https://jbengler.github.io/tidyplots/articles/Visualizing-data.html02 Dec 2024 19:42 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lcdv2dyykc27https://bsky.app/profile/vladtarko.bsky.social/post/3lcar2khp722uUniversal structure of grammar.01 Dec 2024 13:53 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lcar2khp722uhttps://bsky.app/profile/vladtarko.bsky.social/post/3lbsrq5tq3s2dIf you're using #rstats and ggplot, it's easy to have line plots with labels on the right: - drop the NAs for the variable of interest - define label variable for only the end - use ggrepel to make the labels with some nudge_x - remove legend Example:26 Nov 2024 00:28 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lbsrq5tq3s2dhttps://bsky.app/profile/vladtarko.bsky.social/post/3lbs7r2fcxs2dPretty remarkable prediction for 1993. #SEA202425 Nov 2024 19:06 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lbs7r2fcxs2dhttps://bsky.app/profile/vladtarko.bsky.social/post/3lbrirsnnz227This looks great! You can now use Obsidian as a simple #rstats IDE. You can run quarto documents inside Obsidian, get help, and see the environment. michelnivard.github.io/Ridian/ https://michelnivard.github.io/Ridian/25 Nov 2024 12:15 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lbrirsnnz227https://bsky.app/profile/vladtarko.bsky.social/post/3lblpi6y3ts2sMade a #rstats package for creating cellular automata. Has a quick way of generating them (as a matrix) based on the Wolfram rule, plotting them, and generating an animation. https://cran.r-project.org/web/packages/cellularautomata/vignettes/basic-usage.html23 Nov 2024 04:59 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lblpi6y3ts2shttps://bsky.app/profile/vladtarko.bsky.social/post/3lbk7gx6ijk2hThose of us who favor diversity as an intrinsic good and/or for Hong-Page epistemic reasons really need to grapple with these kind of results instead of hiding form them. [contains quote post or other embedded content]22 Nov 2024 14:39 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lbk7gx6ijk2hhttps://bsky.app/profile/vladtarko.bsky.social/post/3lbjvv2o22c2gOur World in Data just got even better: https://ourworldindata.org/easier-to-reuse-our-data22 Nov 2024 11:48 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lbjvv2o22c2ghttps://bsky.app/profile/vladtarko.bsky.social/post/3lbjvq4vxxk2gI guess you could do a Solow model of death rate vs fertility: [contains quote post or other embedded content]22 Nov 2024 11:45 +0000at://did:plc:cpp5azgfcp5loecpue2fowqy/app.bsky.feed.post/3lbjvq4vxxk2g