himaginary https://blog.hatena.ne.jp/himaginary/ himaginary’s diary https://himaginary.hatenablog.com/ 経済 Francis Dieboldが、一口にビッグデータと言っても、どの側面が「ビッグ」なデータを使うのかを用途によって使い分けるべき、という点を株価のボラティリティとトレンドを例に取って説明している。 Assembling everything, for estimating yesterday's stock-market volatility you'd love to have yesterday's 1-minute intra-day returns, but for estimating the expected return on the stock market (the slo… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhimaginary.hatenablog.com%2Fentry%2F20161117%2Fbig_data_for_volatility_vs_trend" title="ビッグデータとボラティリティとトレンド - himaginary’s diary" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2016-11-17 00:00:00 rich https://himaginary.hatenablog.com/entry/20161117/big_data_for_volatility_vs_trend 1.0 100%