August 2017
Intermediate to advanced
500 pages
12h 3m
Japanese
Content preview from PythonとJavaScriptではじめるデータビジュアライゼーション
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250
11 章 pandas を使ったデータ探索
はどこか」、「旧（科学）世界（強大なヨーロッパ諸国）から新世界（米国や新興のアジア）への
勢力の移行など、国による受賞の歴史的傾向があるか」などを問い合わせてデータセットを探索
していきます。探索を始める前に、
IPython
の準備をしてノーベル賞データセットをロードしま
しょう。
11.1
探索の開始
探索を始める前に、
IPython
環境を用意します。まず、
Nobel
作業ディレクトリから
IPython
Notebook
か
Qt
コンソールセッションを起動します
†
。
$ ipython [notebook | qt]
最新の
IPython
である
Jupyter Notebook
の場合には、以下を実行します。
$ jupyter notebook
IPython Qt
コンソールか
Notebook
で、マジックコマンド
%matplotlib
を使ってインラインプ
ロットを有効にします。
%matplotlib inline
そして、標準的なデータ探索モジュール群をインポートします。
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import json
import seaborn as sb #
❶
plt.rcParams['figure.figsize'] = 8, 4 #
❷
❶
Seaborn
をインポートすると、
Seaborn
固有のプロットだけでなくすべてのプロットに優れた外観
を適用する。 ...
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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.