{"height":"190","provider_url":"https://hatena.blog","title":"\u5c3a\u5ea6\u306e\u6574\u7406\u3001\u5358\u4f4d\u306e\u306a\u3044\u7121\u540d\u6570","blog_title":"\u30ea\u30b5\u30fc\u30c1\u30ea\u30c6\u30e9\u30b7\u30fc\u899a\u66f8","published":"2012-05-13 05:54:07","author_url":"https://blog.hatena.ne.jp/naka9su/","blog_url":"https://naka9su.hatenadiary.org/","image_url":null,"categories":["\u7d71\u8a08"],"version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnaka9su.hatenadiary.org%2Fentry%2F20120513%2F1336942447\" title=\"\u5c3a\u5ea6\u306e\u6574\u7406\u3001\u5358\u4f4d\u306e\u306a\u3044\u7121\u540d\u6570 - \u30ea\u30b5\u30fc\u30c1\u30ea\u30c6\u30e9\u30b7\u30fc\u899a\u66f8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://naka9su.hatenadiary.org/entry/20120513/1336942447","width":"100%","author_name":"naka9su","type":"rich","provider_name":"Hatena Blog","description":"\u6817\u539f\u4f38\u4e00\u8457\u300e\u5165\u9580\u7d71\u8a08\u5b66\u2212\u691c\u5b9a\u304b\u3089\u591a\u5909\u91cf\u89e3\u6790\u30fb\u5b9f\u9a13\u8a08\u753b\u6cd5\u307e\u3067\u300f\u30aa\u30fc\u30e0\u793e\uff082011.7\uff09\u3088\u308a\u79fb\u52d5\u5e73\u5747\uff08moving average\uff09 \u671f\u9593\u304c\u5076\u6570\u306e\u5834\u5408\u2212\uff1e\u4e2d\u5fc3\u5316\u79fb\u52d5\u5e73\u5747 a rolling 12-month accumulated sum to remove the seasonal variation in sales ->\u5b63\u7bc0\u5909\u52d5\u3092\u53d6\u308a\u9664\u304f\u5909\u52d5\u4fc2\u6570C.V.\uff08Coefficient of Variation\uff09 \u6a19\u6e96\u504f\u5dee\u3092\u5e73\u5747\u3067\u5272\u308a\u5358\u4f4d\u304c\u306a\u304f\u306a\u308b\u306e\u3067\u3001\u7121\u540d\u6570\u3068\u547c\u3076\u3002\u5e73\u5747\u304c0\u306e\u5834\u5408\u306b\u306f\u4f7f\u3048\u306a\u3044\u3002\u91cf\u7684\u30c7\u30fc\u30bf \u6bd4\u7387\u5c3a\u5ea6(ratio scale\uff09\uff1a\u5e74\u53ce\uff0c\u4ea4\u901a\u4e8b\u6545\u4ef6\u6570\u2026(+\u3001-\u3001\u00d7\u3001\u00f7\uff09->\u5e73\u5747 \u9593\u9694\u5c3a\u5ea6(\u2026"}