{"provider_url":"https://hatena.blog","blog_url":"https://himaginary.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhimaginary.hatenablog.com%2Fentry%2F20140913%2Funit_root_tests_and_seasonally_adjusted_data\" title=\"\u5b63\u7bc0\u8abf\u6574\u304c\u5358\u4f4d\u6839\u691c\u5b9a\u306b\u4e0e\u3048\u308b\u5f71\u97ff - himaginary\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","title":"\u5b63\u7bc0\u8abf\u6574\u304c\u5358\u4f4d\u6839\u691c\u5b9a\u306b\u4e0e\u3048\u308b\u5f71\u97ff","blog_title":"himaginary\u2019s diary","height":"190","width":"100%","url":"https://himaginary.hatenablog.com/entry/20140913/unit_root_tests_and_seasonally_adjusted_data","categories":["\u7d4c\u6e08","\u7d71\u8a08"],"author_url":"https://blog.hatena.ne.jp/himaginary/","provider_name":"Hatena Blog","image_url":null,"published":"2014-09-13 00:00:00","author_name":"himaginary","description":"\u306b\u3064\u3044\u3066Dave Giles\u304c\u307e\u3068\u3081\u3066\u3044\u308b\u3002 One of the consequences of these standard seasonal adjustment procedures is that they introduce a moving average (MA) component into the data. Indeed, that's part of the point of using them - to smooth out the series and eliminate the repetitive seasonal component. However, th\u2026","type":"rich"}