July 2017
Intermediate to advanced
398 pages
11h 54m
Chinese
Content preview from Python数据处理
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
112
｜
第
6
章
度的频率是多少”。你已经有了初步的可信数据集，还可以在研究过程中致电
FRA
了解更
多信息。
6.5.3
足球运动员的薪水
再比如说，你对足球（用脚踢的足球，不是猪皮做的橄榄球）运动员的薪水感兴趣。这些
运动员能赚多少钱，每个运动员对球队的影响有多大？
初次搜索之后，你发现数据太杂，决定专注研究某一个联赛。比方说你选择英超联赛。你
在一个可能从没听说过的网站上找到了英超俱乐部的薪水列表（
http://www.tsmplug.com/
football/premier-league-player-salaries-club-by-club/
）。看来作者已经编辑好了每一支球队
的列表，以及每一名球员的薪水列表（
http://www.tsmplug.com/football/man-city-players-
salaries-2014/
）。为了更好地理解数据的来源，并保证数据源可信，你应该联系页面中给出
的作者，以获取更多信息。
如果你同时搜索球员代言，可能会找到这个统计表（
http://www.statista.com/statistics/
266636/best-paid-soccer-players-in-the-2009-2010-season/
），里面列出了顶薪足球运动员的代
言费用和薪水数据。你可能也想去联系作者，询问是否有最新的代言费用数据，可以和最
新的赛季作对比。
现在你已经有了薪水数据，你还想了解一些统计数据，看看顶薪运动员究竟有多优秀。你
在英超联赛网站（
http://www.premierleague.com/content/premierleague/en-gb/players/index. ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.