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Baris ka-1: Dina [[~~matematik~~matematika]], '''probability density function''' dipake keur ngagambarkeun [[probability distribution]] di watesan [[integral]]s. Lamun probability distribution ngabogaan densiti ''f''(''x''), saterusna [[interval (mathematics)\|interval]] tak terhingga [''x'', ''x'' + d''x''] ngabogaan probabiliti ''f''(''x'') d''x''. Probability density function bisa oge ditempo tina versi "smoothed out" [[histogram]]: if one empirically measures values of a [[random variable]] repeatedly and produces a histogram depicting relative frequencies of output ranges, then this histogram will resemble the random variable's probability density (assuming that the variable is sampled sufficiently often and the output ranges are sufficiently narrow).▼ [[da:sandsynlighedstæthedsfunktion]] [[sv:Täthetsfunktion]]▼ ▲Dina [[matematik]], '''probability density function''' dipake keur ngagambarkeun [[probability distribution]] di watesan [[integral]]s. Lamun probability distribution ngabogaan densiti ''f''(''x''), saterusna [[interval (mathematics)\|interval]] tak terhingga [''x'', ''x'' + d''x''] ngabogaan probabiliti ''f''(''x'') d''x''. Probability density function bisa oge ditempo tina versi "smoothed out" [[histogram]]: if one empirically measures values of a [[random variable]] repeatedly and produces a histogram depicting relative frequencies of output ranges, then this histogram will resemble the random variable's probability density (assuming that the variable is sampled sufficiently often and the output ranges are sufficiently narrow). Formally, a probability distribution has density ''f''(''x'') if ''f''(''x'') is a non-negative [[Lebesgue integration\|Lebesgue-integrable]] function '''R''' → '''R''' such that the probability of the interval [''a'', ''b''] is given by Baris 30 ⟶ 28: * [[probability mass function]] * [[exponential family]] ==Rujukan== * [http://en.wikipedia.org/wiki/Probability_density_function Wikipédia basa Inggris], disalin ping 17 Agustus 2004. ▲[[da:sandsynlighedstæthedsfunktion]] [[en:Probability_density_function]] [[sv:Täthetsfunktion]]

Fungsi dénsitas probabilitas: Béda antarrépisi