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py4project

授業用分析・可視化ユーティリティです。pandas DataFrame から回帰分析・散布図・横バープロット・ボックスプロットを簡単に作成できます。

インストール

pip install py4project

提供している関数

  • regression(x, y, data) — 単回帰分析(R²、95%信頼区間、回帰式を表示)
  • regression_plot(x, y, data, ...) — 散布図+回帰直線
  • scatter_plot(x, y, data, ...) — 散布図+トレンド線(対数軸オプションあり)
  • bar_plot(x, data, ...) — 横バープロット(複数系列・シフトシェア分解の配色に対応)
  • box_plot(x, data, ...) — ボックスプロット(外れ値の自動ラベル表示、対数化オプションあり)

使用例

import pandas as pd
from py4project import regression, bar_plot

df = pd.DataFrame({
    "産業": ["製造業", "卸売業", "小売業"],
    "全国成長効果": [120, 80, 60],
    "産業構成効果": [-20, 10, 5],
    "地域固有効果": [30, -5, 15],
})

bar_plot(["全国成長効果", "産業構成効果", "地域固有効果"], df, title="シフトシェア分解")

依存パッケージ

numpy, pandas, scipy, matplotlib, japanize_matplotlib_jlite(日本語フォントを自動設定します)

ライセンス

MIT License

Metadata

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0.3.1

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0.3.0

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0.2.2

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0.2.1

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0.2.0

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0.1.0 This release

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