File:Chi-square distributionCDF.svg
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Size of this PNG preview of this SVG file: 360 × 288 pixels. Other resolutions: 300 × 240 pixels | 600 × 480 pixels | 960 × 768 pixels | 1,280 × 1,024 pixels | 2,560 × 2,048 pixels.
Original file (SVG file, nominally 360 × 288 pixels, file size: 24 KB)
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This is a file from the Wikimedia Commons |
Summary
| Description | |
| Date | |
| Source | Own work |
| Author | Jona |
| SVG development |  This plot was created with Matplotlib. |
| Source code | Python codeimport numpy as np
import matplotlib.pyplot as plt
from scipy.stats import chi2
col = {1: 'black', 2: 'blue', 3: 'green', 4: 'red', 5: 'purple'}
X = np.arange(0, 8, 0.01)
##
## PDF
##
plt.clf()
plt.figure(figsize=(4,3.2))
plt.axes([0.15,0.13,0.79,0.8])
plt.hold(True)
A = []
for k in col.keys():
plt.plot(X, chi2.pdf(X, k), '-', color=col[k], label="k="+str(k))
plt.xlabel("x")
plt.ylabel("P(x)")
bx = plt.legend(numpoints=1, handletextpad=0.5, loc="upper right")
bx.draw_frame(False)
plt.xlim(0,8)
plt.ylim(0,1)
plt.savefig("chi-square_pdf.svg")
##
## CDF
##
plt.clf()
plt.figure(figsize=(4,3.2))
plt.axes([0.15,0.13,0.79,0.8])
plt.hold(True)
A = []
for k in col.keys():
a = plt.plot(X, chi2.cdf(X, k), '-', color=col[k], label="k="+str(k))
A.append(a)
plt.xlabel("x")
plt.ylabel(u"P(X\N{Less-THAN OR EQUAL TO}x)")
bx = plt.legend(numpoints=1, handletextpad=0.5, loc="lower right")
bx.draw_frame(False)
plt.xlim(0,8)
plt.ylim(0,1)
plt.savefig("chi-square_cdf.svg")
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Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International 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.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:25, 20 November 2018 | | 360 × 288 (24 KB) | Jona | User created page with UploadWizard |
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