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Permanent link - Posted 15 days ago (via mathlesstraveled.com)
I have neglected writing on this blog for a while, and here is why: Yes, there is a new small human in my house! So I won’t be writing here regularly for the near future, but do hope to still … Continue reading →...
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Permanent link - Posted 15 days ago (via mathlesstraveled.com)
Commenter Snowball pointed out the similarity between Euclid’s Orchard… …and this picture of primitive roots I made a year ago: At first I didn’t see the connection, but Snowball was absolutely right. Once I understood it, I made this little … Continue reading →...
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Permanent link - Posted 15 days ago (via mathlesstraveled.com)
A couple commenters quickly figured out what my previous post without words was about. The dots making up the image are at integer grid points , with the center at . There is a dot at if and only if … Continue reading →...
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Permanent link - Posted 15 days ago (via mathlesstraveled.com)
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Permanent link - Posted 15 days ago (via mathlesstraveled.com)
In my previous post, we found an answer to the question: What’s the 99th digit to the right of the decimal point in the decimal expansion of ? However, the solution depended on having the clever idea to add . … Continue reading →...
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digs
Permanent link - Posted 15 days ago (via mathlesstraveled.com)
Recall that we are trying to answer the question: What’s the 99th digit to the right of the decimal point in the decimal expansion of ? In my previous post, we computed for some small and conjectured that the answer … Continue reading →...
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Permanent link - Posted 15 days ago (via feedproxy.google.com)
I had a recent book club discussion with Scott Young on the book Surely You're Joking Mr. Feynman. Richard Feynman is one of my explanation heroes. His biography contains dozens of stories, capturing a spirit of curiosity, awe, and a desire to figure things out your own way. Feynman's approach informed how both Scott and […]...
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Permanent link - Posted 15 days ago (via feedproxy.google.com)
When working on a combination problem, we usually multiply. But sometimes addition shows up -- how do we know which is which? Here's a few mental models I use to keep them straight. Mental Model: Different Dimensions Let's take a simple situation: You have 4 shirts and 8 pants, how many outfits can you make? […]...
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Permanent link - Posted 15 days ago (via junkcharts.typepad.com)
Kaiser Fung, founder of Principal Analytics Prep, discusses a blog post about validating machine learning models....
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Permanent link - Posted 15 days ago (via junkcharts.typepad.com)
Kaiser Fung, founder of Principal Analytics Prep and the Master of Science in Applied Analytics at Columbia, gives a short lecture on A/B testing for Harvard Business Review on Facebook Live....
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