【国科大数据科学导论】作业1：Linear regression with Yelp votes

前提

• 作者数据科学导论课程的大作业1
• 该博客源代码请点击此处—— Linear regression with Yelp votes

第二次作业请见文末

• 数据来源 RecSys2013: Yelp Business Rating Prediction | Kaggle

• 本文没有创新点，只是保存一下，想要了解更多的可以直接去kaggle看note

• 最后是本题的Bonus部分

• Description of the data：

  • yelp.json is the original format of the file. yelp.csv contains the same data, in a more convenient format. Both of the files are in this repo, so there is no need to download the data from the Kaggle website.
  • Each observation in this dataset is a review of a particular business by a particular user.
  • The “stars” column is the number of stars (1 through 5) assigned by the reviewer to the busi