箱ひげ図

データ可視化への理解

Richie Cotton

Data Evangelist at DataCamp

色付きのヒストグラム

A histogram of the age at start of rule for English kings and queens, colored by royal houses. It looks like a blob monster from a 1980s video game.

個別のパネルに描画

A histogram of the age at start of rule for English kings and queens, with separate panels for each royal house.

個別のパネルに描画

A histogram of the age at start of rule for English kings and queens, with separate panels for each royal house. The left column of panels is highlighted.

個別のパネルに描画

A histogram of the age at start of rule for English kings and queens, with separate panels for each royal house. The Lancaster and York houses are highlighted.

A histogram of the age at start of rule for English kings and queens, with separate panels for each royal house. The panels are stacked vertically in a single column, making the plot tall and narrow.

箱ひげ図はどんなときに使うべきか？

連続変数があり、カテゴリ変数で分けられるとき
各カテゴリごとに連続変数の分布を比較したいとき

ヒストグラム vs. 箱ひげ図

A histogram of the age of start of rule of kings and queens.

A box plot of the age of start of rule of kings and queens.

ヒストグラム vs. 箱ひげ図: 中央線

A histogram of the age of start of rule of kings and queens.

A box plot of the age of start of rule of kings and queens. The plot is annotated with the mid line at the median.

ヒストグラム vs. 箱ひげ図: 箱

A histogram of the age of start of rule of kings and queens.

A box plot of the age of start of rule of kings and queens. The plot is annotated with the box sides running from the lower quartile to the upper quartile, and the inter-quartile range being the difference between these.

ヒストグラム vs. 箱ひげ図: ひげ

A histogram of the age of start of rule of kings and queens.

A box plot of the age of start of rule of kings and queens. The plot is annotated with the whiskers running from the box sides to the lowest and highest non-extreme values.

家名別君主

Box plots of the age of start of rule of kings and queens, one for each royal house.

練習しましょう！

データ可視化への理解