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py4project

授業向けの分析・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, ...) — 回帰分析(x にリストを渡すと重回帰)。決定係数・係数・p値・信頼区間を表にして表示し、結果オブジェクトを返します
  • regression_plot(x, y, data, ...) — 散布図+回帰直線(regression の結果を渡すこともできます)
  • 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(対数化オプションあり。text_col を指定すると外れ値に名前を表示)

使用例

import pandas as pd
from py4project import regression, bar_plot

df = pd.DataFrame({
    "産業コード": [1, 2, 3, 4],
    "産業": ["製造業", "卸売業", "小売業", "建設業"],
    "事業所数": [120, 80, 60, 40],
    "従業者数": [1500, 900, 700, 380],
})

# 回帰分析(セルの最後に置くと結果表が表示されます)
regression("事業所数", "従業者数", df)

# 横バープロット
bar_plot("従業者数", df, title="産業別の従業者数")

より詳しい使い方は examples/example.ipynb を参照してください。

依存パッケージ

numpy, pandas, statsmodels, matplotlib>=3.9, 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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