Recent Posts

• June 09, 2020

  Book Review: The Lady Tasting Tea

  Here is the book review on this stimulating book: The Lady Tasting Tea: How Statistics Revolutionized Science in the Twentieth Century that I wrote in Chinese almost 10 years ago at the time when I was a college student majoring in Statistics.Hone...

• April 13, 2020

  Summary of Survival Analysis

  There is no better topic than survival in 2020.It has been 6 years since last time I sat at Prof. Richard Cook’s STAT 935: The Analysis of Survival Data class at UWaterloo, struggling with the maximum likelihood function in CoxPH model. Thanks to ...

• November 16, 2019

  Super 在Python中的用法

  经常在别人的code里面看到super，但是一直不太清楚具体的用法，官方的文档非常technical，于是在网上找到一个还不错的资源，终于有了点眉目。这篇post主要是根据我自己的理解重新阐述（翻译）一遍原资源的takeaways以防日后我又忘了的时候可以马上记起来。Super的基本用法先来看这样一个例子。我们想要计算矩形Rectangle和正方形Square的周长和面积。class Rectangle: def __init__(self, length, width): ...

• July 08, 2018

  Recommendation Systems for Implicit Feedback Dataset - Part 1

  This is the first of a series of non-comprehensive paper reviews for the recommendation systems for implicit feedback datasets.Navigations Part 1: Hu, Yifan, Yehuda Koren, and Chris Volinsky. “Collaborative filtering for implicit feedback dataset...

• October 08, 2017

  Build a vanilla movie recommender with Spark

  This is a lab originally from the edX course: Big Data Analysis with Apache Sparkwhere I learned how to construct a machine learning pipeline with Spark. There I’ve added with minor modifications to code about parameters tuning.In this post, you a...