File:Odds ratio map.svg
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Original file (SVG file, nominally 720 × 540 pixels, file size: 223 KB)
Summary
| Description | English: Map showing how the log odds ratio relates to the probability of the outcome in two groups. |
| Date | |
| Source | Own work |
| Author | Skbkekas |
| SVG development |  This plot was created with Matplotlib. |
| Source code | Python codeimport numpy as np
import matplotlib.pyplot as plt
F = np.linspace(0.05,0.95, 100)
X = np.zeros((len(F),len(F)), dtype=np.float64)
for i1,f1 in enumerate(F):
for i2,f2 in enumerate(F):
X[i1,i2] = np.log(f1*(1-f2)/(f2*(1-f1)))
plt.clf()
im = plt.imshow(X, origin='lower', extent=(min(F),max(F),min(F),max(F)),\
cmap="PiYG")
plt.xlabel(r"$P(X|A)$", size=18)
plt.ylabel(r"$P(X|B)$", size=18)
V = [-3,-2,-1,0,1,2,3]
CS = plt.contour(X, V, origin='lower',\
extent=(min(F),max(F),min(F),max(F)), colors='k',\
linestyles='solid')
plt.colorbar(im)
plt.clabel(CS, V, fmt="%3.1f")
plt.grid(True)
plt.xlim(0.05,0.95)
plt.ylim(0.05,0.95)
plt.savefig("odds_ratio_map.pdf")
plt.savefig("odds_ratio_map.svg")
|
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
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.
|
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. |
You may select the license of your choice.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:42, 9 November 2010 | | 720 × 540 (223 KB) | Skbkekas | Fixed error in original plot. |
| 14:54, 9 November 2010 |  | 720 × 540 (247 KB) | Skbkekas | {{Information |Description={{en|1=Map showing how the log odds ratio relates to the probability of the outcome in two groups.}} |Source={{own}} |Author=Skbkekas |Date=2010-11-09 |Permission= |other_versions= }} [[Category:Statistical ch |
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