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Confusing tie correction in the classic Mann-Whitney U test implementation
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aakinshin.net
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3 years ago
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eng
In this post, we discuss the classic implementation of the Mann-Whitney U test for cases in which the considered samples contain tied values. This approach is used the same way in all the popular statistical packages. Unfortunately, in some situations, this approach produces confusing p-values, which may be surprising for researchers who do not have a deep understanding of ties correction. Moreover, some statistical textbooks argue agains....
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While I’ve written many textbooks on different topics over the past two decades, my favourite subject area by far is Linux. After all, Linux has evolved to be one of the most foundational topics in tech education. Information Technology (IT) fields such as server/network administration, cloud administration, cybersecurity, and software development now require a solid grasp of the Linux operating system.
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While I’ve written many textbooks on different topics over the past two decades, my favourite subject area by far is Linux. After all, Linux has evolved to be one of the most foundational topics in tech education. Information Technology (IT) fields such as server/network administration, cloud administration, cybersecurity, and software development now require a solid grasp of the Linux operating system.
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Confusing tie correction in the classic Mann-Whitney U test implementation
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aakinshin.net
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3 years ago
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eng
In this post, we discuss the classic implementation of the Mann-Whitney U test for cases in which the considered samples contain tied values. This approach is used the same way in all the popular statistical packages. Unfortunately, in some situations, this approach produces confusing p-values, which may be surprising for researchers who do not have a deep understanding of ties correction. Moreover, some statistical textbooks argue agains....
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When working on multiple files or sections of code I often leave XXX tags with comments like “remove this line”, “uncomment this call”, “rename me”, etc., to remember to change back or finish something before pushing to remote. While tags are highlighted on most text editors it is still easy to miss them, so I have the following Git pre-push hook to abort a push if the tag is found in the changes: #!/usr/bin/env bash # Remembe....
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OpenMapTiles 3.14: New OpenStreetMap Style shows all the features
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www.maptiler.com
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3 years ago
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eng
The new version of OpenMapTiles is available in an OpenStreetMap style, showing all the features available.
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Popovers are everywhere on the web platform. Learn how to use the new web platform primitives to take advantage of them today.
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DEF CON Training Las Vegas is only 12 weeks out! We’re proud to have a stellar lineup of trainers deep-diving into a wide variety of disciplines. Our two-day intensive training sessions begin August 14, right after DEF CON 31. It’s the perfect time to embiggen your security skillset. Check out the full roster at training.defcon.org and book your spot while supplies last.
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Open source developers are often the unsung heroes of the technology world, creating & maintaining the software that powers our digital lives. Sadly, their contributions often go unnoticed, but without their dedication and expertise, much of the software & digital infrastructure what we take for granted today wouldn’t exist. I want to recognize the awesome work of one developer and express my gratitude to them for making the world a b....
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An American Indian man on horseback stood outlined against a steely sky past midday on 05 October 1877. Winter was already settling into the prairies of what would soon become the state of Montana. Five white men stood in the swaying grass on the other side of the field, watching the horse move closer. Four wore blue uniforms, another in civilian attire. One of the uniformed men was tall and stout, with bright blue eyes and a large, curl....
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In April 2021, I commenced a project to review nearly all of the al|together visual novel translations (they all remain free […]
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See discussion on LessWrong.There seems to be a stupid, embarrassingly simple solution to the following seemingly unrelated problems:
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In this series of short stories, I share tricky situations I've encountered while leading teams. These experiences have taught me invaluable leadership lessons and greatly influenced my management style. I hope to help others become more effective leaders by sharing these anecdotes.
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We are happy to announce the addition of EPSS (Exploit Prediction Scoring System) to Snyk’s security intelligence for Snyk Open Source and Snyk Container vulnerabilities.
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Follow our step by step guide to generating an SBOM for JavaScript and Node.js applications using the Snyk API or CLI tool.
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In his excellent book, The Righteous Mind , Jonathan Haidt details a metaphor for the relationship between our conscious and unconscious minds: the elephant and the rider. The rider thinks he controls the towering beast because it generally follows his commands, slowly lumbering from side to side at the pull of the reins. Little does the rider know, the elephant could throw the rider to his death or great injury at any moment. If the rider....
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Using Metaphone to handle bad transcriptions in voice search for sommeliers
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vikramoberoi.com
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3 years ago
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eng
If OpenAI’s Whisper was as good at transcribing wine names as this duck/skilled sommelier, this project would have been a lot simpler. Credit: katiebcartoons.com I recently prototyped a hands-free inventory counting system for sommeliers at a popular Manhattan Italian restaurant with Gabriel, my partner at Baxter. I know the general manager (GM) at this restaurant – henceforth referred to as Ristorante – personally and he hates inventory co..
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Deciding between express.js, fastify, nest.js, tRPC, GraphQL/Apollo for a modern, fully type-safe, extensible node.js backend
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No Screens Cafe At the No Screens Cafe, you can enjoy coffee, tea, and scones. You can make conversation with neighbors, friends, and folks you’ve never met. You can have a first date or a 101st date. You can read and write. You can make music. You can stay here as long as you wish. You just can’t use any screens. No phones, tablets, laptops, “smart” watches, or other things with a screen. Leave them at home, or failing that, leave them ..
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Pablo Picasso was one of the most famous modern artists of the 20th century. While many of his paintings border on the abstract, he sharpened his artisitc skill on more realistic and traditional styles. Novelty and creativity are important parts of great art, but just as necessary to making anything great is the technical ability to take an idea and represent it in the real world — even abstract expressionists could paint unbelieveably real....
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Pablo Picasso was one of the most famous modern artists of the 20th century. While many of his paintings border on the abstract, he sharpened his artisitc skill on more realistic and traditional styles. Novelty and creativity are important parts of great art, but just as necessary to making anything great is the technical ability to take an idea and represent it in the real world — even abstract expressionists could paint unbelieveably real....
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Arrived at 11:15am on Sunday. The main parking lot has room for about four cars, and there is an overflow parking lot just a stone’s throw down the road that looks like it can fit another two cars. We had no problem finding a space. The hike is very pleasant, through tree cover all the way until you reach the summit. The trail is very easy to follow and in great condition, with some sections that have evidently been maintained recently. A..
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Arrived at 11:15am on Sunday. The main parking lot has room for about four cars, and there is an overflow parking lot just a stone’s throw down the road that looks like it can fit another two cars. We had no problem finding a space. The hike is very pleasant, through tree cover all the way until you reach the summit. The trail is very easy to follow and in great condition, with some sections that have evidently been maintained recently. A..
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The Carolina Code Conference is a welcoming and community-driven “polyglot” conference that’s set to take place in beautiful downtown Greenville, SC on Saturday August 19th, 2023 in the Greenville ONE building. This conference, which returns for the first time since 2019, invites coders of all experience levels to attend, plug into the development community, share their experiences and have a great time as well.
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Mastering Chart.js in React: A Comprehensive Guide with Examples
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www.rasikjain.com
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3 years ago
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eng
Introduction: In the world of web development, data visualization plays a crucial role in conveying information effectively. Chart.js, a popular JavaScript library, provides an elegant and flexible way to create interactive and visually appealing charts. In this blog post, we will explore how to integrate Chart.js into a React application and leverage its powerful features to create stunning charts. We’ll cover the installation process, bas..
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I recently learned 1 a nice pattern to improve parameter handling in shell scripts. The pattern involves parameter expansion: #!/usr/bin/env bash set -euo pipefail function main { local arg1 = "${ A1 :? 'FAIL. Provide A1 var'}" echo $arg1 } main When calling the script (called t.sh throughout this post), it will fail: bash t.sh # t.sh: line 7: A1: FAIL. Provide A1 var But this..
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The latest .NET 8 Preview is out, and I love that they’re finally changing how MSBuild logs are printed to the terminal. The new Terminal Logger ditches the infamous “wall of text” that is a nightmare to parse in favor of a cleaner, leaner, and more organized output. Once enabled, the new logger shows you the restore phase, followed by the build phase. During each phase, the currently-building projects are at the bottom of the termina..
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