Notes on correlation

Notes on correlation Terms Pearson correlation coefficient, coefficient of determination Pearson correlation coefficient For a population \[{\rho _{X,Y}={\frac {cov (X,Y)}{\sigma _{X}\sigma _{Y}}...

Updated by Siyuan Gao. on August 3, 2018

civic si 体验总结

civic si 体验总结 自从今年二月份购入这辆tenth generation civic si已经过去将近半年了，是时候写一写自己半年来对于这辆车的体会了，一来可以让自己更好的回头重新认识这辆车，二来也是记录一下自己年少时的第一辆小钢炮。 在买这辆civic si之前其实我已经开了一年的civic hatchback，但是因为一次他人的过错，那辆hatchback报废在了我家门口，本...

Updated by Siyuan Gao. on July 26, 2018

Food that I always want to try again!

A foodie's incomplete guide

Food that I always want to try again! @ Connecticut（ranking reflecting preference） Lin’s Kitchen Lao Sze Chuan Formosa Asian fusion lobster hut (lobster rolls) Takumi Japanese cuisine. ...

Updated by Siyuan Gao. on June 21, 2018

Lecture notes for Stat665

Lecture notes for Stat665 Cross-entropy cost function Learning slow is due to the shape of the sigmoid function. When we use sigmoid function, then the partial derivative of the quadratic cos...

Updated by Siyuan Gao. on July 10, 2016

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