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	<description>Running over sticks and stones</description>
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		<title>Do the Homework Before the Hype</title>
		<link>https://trotzendorff.de/running/do-the-homework-before-the-hype/</link>
					<comments>https://trotzendorff.de/running/do-the-homework-before-the-hype/#respond</comments>
		
		<dc:creator><![CDATA[Trotzendorff]]></dc:creator>
		<pubDate>Thu, 05 Feb 2026 09:50:03 +0000</pubDate>
				<category><![CDATA[Running]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[Data]]></category>
		<category><![CDATA[Gadgets]]></category>
		<category><![CDATA[Science]]></category>
		<category><![CDATA[Statistics]]></category>
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					<description><![CDATA[There’s something mildly absurd about modern running tech. Every brand talks about AI now. Smart coaching, predictive training plans, readiness scores, recovery scores, stress scores, you name it. My watch apparently knows my future. It just doesn’t know what happened five minutes ago. Take heart rate. I run with a chest strap or the wrist sensor, doesn’t matter. Every now and then the data goes completely off the rails. Suddenly my pulse jumps to 190 while I’m jogging easy, stays there for three minutes, then drops back like nothing happened. No hill, no sprint, no drama. Just noise. Same with GPS. Clean route along the river, then one glitch and the track cuts straight through buildings like I teleported. The device shrugs and saves it as truth. I can live with imperfect sensors. Sweat, movement, bad satellite reception — physics is messy. What I don’t get is why all that so-called intelligence doesn’t clean up the mess afterwards. Because statistically speaking, this is the easy part. Outliers are not some exotic phenomenon. They’re textbook stuff. &#8230;]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">53803</post-id>	</item>
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		<title>The Mystery of Statistica: What the Owl Can Tell Us About an Enigmatic Paradox</title>
		<link>https://trotzendorff.de/psychology/the-mystery-of-statistica-what-the-owl-can-tell-us-about-an-enigmatic-paradox/</link>
					<comments>https://trotzendorff.de/psychology/the-mystery-of-statistica-what-the-owl-can-tell-us-about-an-enigmatic-paradox/#respond</comments>
		
		<dc:creator><![CDATA[Trotzendorff]]></dc:creator>
		<pubDate>Wed, 03 May 2023 17:48:21 +0000</pubDate>
				<category><![CDATA[Psychology]]></category>
		<category><![CDATA[Science]]></category>
		<category><![CDATA[Statistics]]></category>
		<guid isPermaLink="false">https://trotzendorff.de/?p=53580</guid>

					<description><![CDATA[Once upon a time in the enchanting land of Statistica, there were two groups of animals: the Crows and the Foxes. The animals in this land were known for their exceptional skills in playing two very popular games: Featherball and Furball. The Crows and Foxes loved to compete against each other, and every year, they would gather to participate in the Grand Statistica Tournament. One year, the wise old Owl, who was in charge of keeping the records of the games, announced something unusual. When he looked at the results of each game individually, the Crows seemed to be better at playing both Featherball and Furball. But when he combined the results of both games, it appeared that the Foxes were actually better players overall. The animals were all very confused by this strange occurrence, so they decided to ask the wise old Owl to explain what was going on. Owl, known for his storytelling skills, decided to teach them about the mysterious phenomenon known as the Simpson’s Paradox. «Dear friends,» began the wise old &#8230;]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">53580</post-id>	</item>
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		<title>The impact of the COVID-19 pandemic on runners around the world</title>
		<link>https://trotzendorff.de/running/the-impact-of-the-covid-19-pandemic-on-runners-around-the-world/</link>
					<comments>https://trotzendorff.de/running/the-impact-of-the-covid-19-pandemic-on-runners-around-the-world/#respond</comments>
		
		<dc:creator><![CDATA[Trotzendorff]]></dc:creator>
		<pubDate>Wed, 06 Apr 2022 17:27:47 +0000</pubDate>
				<category><![CDATA[Running]]></category>
		<category><![CDATA[Covid]]></category>
		<category><![CDATA[Health]]></category>
		<category><![CDATA[Statistics]]></category>
		<category><![CDATA[Strava]]></category>
		<category><![CDATA[Training]]></category>
		<guid isPermaLink="false">https://trotzendorff.de/?p=24740</guid>

					<description><![CDATA[You probably have experienced it yourself, or you may have read headlines like this one: «Running is enjoying a boom because of the coronavirus pandemic». And yes, it’s true. Gyms were closed. Spin classes and boot camps had been canceled. People were stuck at home for most of the day for a long time. So running has seen a boom during the coronavirus pandemic. But what about the overall statistics? Did people run more during the pandemic? They didn’t. Leonardo A. Afonseca, Renato N. Watanabe, and Marcos Duartecorresponding from the department of Biomedical Engineering at the Universidade Federal do ABC, Sao Bernardo do Campo, Brazil, investigated possible effects of the COVID-19 pandemic on long-distance running training. Their study came to an astonishing conclusion: «In 2020, compared with 2019, in total there was a 3.6% decrease in the number of athletes running, a 7.5% decrease in the distance and 6.7% in the duration of running training.» For their study the researchers analyzed 10,703,690 records of running training during 2019 and 2020, from 36,412 athletes from around &#8230;]]></description>
		
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