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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Circular distribution ： ウィキペディア英語版 Circular distribution In probability and statistics, a circular distribution or polar distribution is a probability distribution of a random variable whose values are angles, usually taken to be in the range A circular distribution is often a continuous probability distribution, and hence has a probability density, but such distributions can also be discrete, in which case they are called circular lattice distributions.〔 Circular distributions can be used even when the variables concerned are not explicitly angles: the main consideration is that there is not usually any real distinction between events occurring at the lower or upper end of the range, and the division of the range could notionally be made at any point. ==Graphical representation== If a circular distribution has a density : it can be graphically represented as a closed curve :$()\; =\; (\backslash ,\; r(\backslash phi)\backslash sin\backslash phi),\; \backslash ,$ where the radius $r(\backslash phi)\backslash ,$ is set equal to :$r(\backslash phi)\; =\; a+b\; p(\backslash phi),\; \backslash ,$ and where ''a'' and ''b'' are chosen on the basis of appearance. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Circular distribution」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.