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Summary
memoiseパッケージを利用。メッシュコードの変換処理はキャッシュを効かせて高速化する。市町村コードの抽出もキャッシュ。
対象の関数
administration_mesh()
meshcode_set()
export_mesh()
(export_meshes()
)比較
メモ化前
Related issues
なし