statistics

From basic to advanced techniques for outlier-rich data analysis.Continue reading on Towards Data Science » From basic to advanced techniques for outlier-rich data analysis.Continue reading on Towards Data Science » FOLLOW US ON GOOGLE NEWS Read original article here Denial of responsibility! Techno Blender is an automatic aggregator of the all world’s media. In each content, the hyperlink to the primary source is specified. All trademarks belong to their rightful owners, all materials to their authors. If…

What not to do with statisticsBy Celia Banks, PhD and Paul Boothroyd IIIByIntroductionSince Tyler Vigen coined the term ‘spurious correlations’ for “any random correlations dredged up from silly data” (Vigen, 2014) see: Tyler Vigen’s personal website, there have been many articles that pay tribute to the perils and pitfalls of this whimsical tendency to manipulate statistics to make correlation equal causation. See: HBR (2015), Medium (2016), FiveThirtyEight (2016). As data scientists, we are tasked with providing…

Oura Ring Andy Boxall / Digital Trends The second half of my 2023 was genuinely awful, and my Oura Ring showed exactly the impact it had on my sleep and body. While the smart ring could never do anything about it, understanding how what I was experiencing was affecting me was fascinating, terrifying, and oddly reassuring. It hammered home the point that wearing a health tracking device isn’t only about counting steps; it’s about recognizing when somewhat silent alterations in your physical health occur over time so…

Building a foundation: understanding and applying robust measures in data analysisContinue reading on Towards Data Science » Building a foundation: understanding and applying robust measures in data analysisContinue reading on Towards Data Science » FOLLOW US ON GOOGLE NEWS Read original article here Denial of responsibility! Techno Blender is an automatic aggregator of the all world’s media. In each content, the hyperlink to the primary source is specified. All trademarks belong to their rightful owners, all…

The Brda River in the center of Bydgoszcz. Credit: PBŚ / jch Hundreds of tons of dead fish flowed down the Oder River at the turn of July and August 2022. The scale of the event was devastating. Despite prompt efforts, Polish and German authorities struggled to identify the cause of this ecological disaster for several weeks. It is now known that a…

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Credit: Pixabay/CC0 Public Domain Christmas, we're told, is the most wonderful time of the year. For many of us, however, it is preceded by one of the least wonderful times: the awkward social spectacle of the office Secret Santa or Kris Kringle, where employees agree to purchase a gift for a randomly allocated colleague. As you watch your co-workers…

Demystifying the confusion about Linear Regression Visually and AnalyticallyImage: Linear regression illustration, by Stpasha, via Wikimedia Commons (Public Domain). Original Image Link: https://upload.wikimedia.org/wikipedia/commons/8/87/OLS_geometric_interpretation.svgThe above image represents a geometric interpretation of Ordinary Least Squares (OLS) or Linear Regression (words used interchangeably in classical statistics). Let’s break down what we’re seeing in an intuitive way:Variables (X1 and X2): Imagine you have…

The city of New York recently witnessed a record payout to George Bell, falsely convicted of murder in 1999, after it emerged prosecutors had deliberately hidden evidence casting doubt on his guilt, giving false statements in court. Bell is the latest in a long line of people, especially Black Americans, unfoundedly convicted. More recently, Jabar Walker and Wayne Gardine were cleared after decades in prison. Conviction integrity units across North America have found serious flaws with many long-standing…

In January 2021, mathematician Hannah Fry was diagnosed with cervical cancer. When she received her diagnosis, the oncologist told her there was still uncertainty whether the cancer was already at stage three and had spread to the lymph nodes. If it hadn’t, Fry’s chances of survival were 90 percent. If it had spread, however, those odds were about 60 percent. “It looked as though the cancer was in four of the nodes, but we weren’t totally sure,” she says. “The surgeons decided to do a very radical and aggressive surgery.…