i remember having a 1 hour discussion post class time with my stats professor about why we divide by n-1 instead of n for the sample variance, after i first learnt about this in my stat analysis class.
the reason is shockingly elegant but still a little abstract unless you've had enough statistical analysis practice on... See more
There’s so much content flying at us these days, it’s hard to separate the “this sounds smart!” from the “this is genuinely correct, helpful, and timeless.”
Below are seven essays that have had the most impact on my product career—that I find myself quoting from, sharing with people, and coming back to most often, even... See more