累計分佈函數
From Wikipedia, the free encyclopedia
任何實隨機變數嘅累計分佈函數(cumulative distribution function,簡稱CDF)即係細過或等於參數嘅概率。即係:
當中係代表累計分佈函數,而係概率。
喺連續分佈嘅情況底下,呢個函數係或然率分佈函數(PDF)由到嘅積分。
生存函數即累計分佈函數。
![]() |
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.