Afbeelding:Gamma distribution pdf.png
Van Wikipedia
Grootte van dit voorbeeld: 800 × 600 pixels
Afbeelding in hogere resolutie (1300 × 975 pixels, bestandsgrootte: 159 KB, MIME-type: image/png)
| Dit is een bestand van Wikimedia Commons. Onderstaande beschrijving komt van de beschrijving van het bestand daar. Controleer het gebruik van dit bestand in andere Wikimediaprojecten. |
Probability density function for the Gamma distribution
gnuplot source under GPL:
_ln_dgamma(x, a, b) = a*log(b) - lgamma(a) + (a-1)*log(x) - b*x
dgamma(x, shape, rate) =\
(x<0)? 0 :\
(x==0)? ((shape<1)? 1/0 : (shape==1)? rate : 0) :\
(rate==0)? 0 :\
exp(_ln_dgamma(x, shape, rate))
pgamma(x, shape, rate) = (x<0)? 0 : igamma(shape, x*rate)
set samples 1001
set terminal postscript enhanced color solid lw 2 "Times-Roman" 20
set output
set xtics 0,2
set ytics 0,0.1
f(x, k, t) = dgamma(x, k, 1.0/t)
set key top right
#f(x, k, t) = pgamma(x, k, 1.0/t)
#set key bottom right
plot [0:20] \
f(x,1,2.0) title "{/Times-Italic k} = 1, {/Symbol q} = 2.0", \
f(x,2,2.0) title "{/Times-Italic k} = 2, {/Symbol q} = 2.0", \
f(x,3,2.0) title "{/Times-Italic k} = 3, {/Symbol q} = 2.0", \
f(x,5,1.0) title "{/Times-Italic k} = 5, {/Symbol q} = 1.0", \
f(x,9,0.5) title "{/Times-Italic k} = 9, {/Symbol q} = 0.5" lt 7
 |
This work is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version. This work is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
العربية ǀ Česky ǀ Deutsch ǀ English ǀ Español ǀ فارسی ǀ Français ǀ Italiano ǀ 日本語 ǀ Nederlands ǀ Polski ǀ Português ǀ Русский ǀ Svenska ǀ Türkçe ǀ 简体中文 ǀ 正體中文 ǀ +/- |
 |
This image should be recreated using vector graphics as an SVG file. This has several advantages; see Commons:Images for cleanup for more information. If an SVG form of this image is already available, please upload it. After uploading an SVG, replace this template with template {{SupersededSVG|new image name.svg}} in this image. |
|
Català | Česky | Dansk | Deutsch | English | Esperanto | Español | Français | Italiano | 日本語 | 한국어 | Nederlands | Polski | Português | Русский | العربية | 正體中文 | +/- |
|
Bestandsverwijzingen
Dit bestand wordt op de volgende pagina's gebruikt:
