摘要：
We will be using the sakila database extensively inside the rest of the course and it would be great if you can follow the installation process below. 阅读全文
posted @ 2018-12-11 18:46
David_Zhu
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摘要：
一、获得最初的数据并形成dataframe val ny= sc.textFile("data/new_york/")val header=ny.firstval filterNY =ny.filter(listing=>{ listing.split(",").size==14 && listin 阅读全文
posted @ 2018-12-11 13:52
David_Zhu
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