File:Logisticpdfunction.png

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Summary

The Logistic distribution function.

The Gnuplot script for this graph:

 logisticd(x,r,n) = exp(-(x-r)/n)/(n*(1+exp(-(x-r)/n))**2)
 set samples 1001
 set terminal postscript enhanced color solid lw 2 "Times-Roman" 20
 set output 'logistic_pdf.ps'
 set ytics 0.1
 f(x,y,z) = logisticd(x,y,z)
 set key 15,0.25
 plot [-5:20] \
 f(x, 5,2) title "{/Symbol m} = 5 s = 2", \
 f(x, 9,3) title "{/Symbol m} = 9 s = 3", \
 f(x, 9,4) title "{/Symbol m} = 9 s = 4", \
 f(x, 6,2) title "{/Symbol m} = 6 s = 2", \
 f(x, 2,1) title "{/Symbol m} = 2 s = 1"

Further processing used:

 pstopnm logistic_pdf.ps
 (pnmrotate -90 | pnmscale -xysize 720 504  | pnmtopng)  < logistic_pdf001.ppm > logistic_pdf.png

Licensing

GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike		 This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.
Category:CC-BY-SA-3.0-migrated#Logisticpdfunction.pngCategory:License migration completed#Logisticpdfunction.pngCategory:GFDL#Logisticpdfunction.png Category:Distribution functions Category:Media missing infobox template
Category:CC-BY-SA-3.0-migrated Category:Distribution functions Category:Files with no machine-readable author Category:Files with no machine-readable source Category:GFDL Category:License migration completed Category:Media missing infobox template Category:Vector version available