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http://funyakofunyao.click/2017/12/04/%e3%83%a9%e3%82%b0%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%9f%e7%82%ba%e6%9b%bf%e3%81%ae%e7%9b%b8%e9%96%a2%e5%88%86%e6%9e%90/
ラグを使った為替の相関分析