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資料分析- B. 相對豐度指標的計算功能 - c: 捕獲回合比例 #299

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moogoo78 opened this issue Nov 12, 2019 · 0 comments
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v2.0 tasks to be considered in V2

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moogoo78 commented Nov 12, 2019

此項指標將每台相機於每回合(occasion,由使用者選擇 的時間長度單位)中的拍攝視為一個試驗(trial),每次的試驗區分為成功 (拍攝到動物,不計個體數或頻率)或不成功(未拍攝到動物)兩種結 果,並計算每期(session,由使用者定義的日期範圍)每台相機的成功機 率(成功次數/試驗次數,亦即相機捕獲動物之回合數/當期回合數),再計 算所有相機的平均成功機率。此成功次數的機率分布即為二項式分布。其 中回合長度可由使用者選擇,選項包括 1 小時、1 天,預設為 1 天(日曆 天)。一期的長度亦可由使用者選擇,選項包括 1 月及選取資料之全部時 間範圍,預設為 1 月(日曆月)。此指標之預設相當於以天為單位,分析 動物在每台相機位置的存缺(presence/absence)狀況。

計算指標計算輸出格式參考 #296

@moogoo78 moogoo78 added the v2.0 tasks to be considered in V2 label Nov 12, 2019
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