File:Spearman fig1.svg

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Original file(SVG file, nominally 360 × 341 pixels, file size: 56 KB)

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Summary

Description
English: Scatterplot comparing Spearman and Pearson correlation.
Date
Source Own work
Author Skbkekas
Other versions

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SVG development
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This plot was created with Matplotlib.
Source code
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Python code

import matplotlib.pyplot as plt
import numpy as np

X = np.random.uniform(size=100)

Y = np.log(X/(1-X))

Y = np.sign(Y)*np.abs(Y)**1.4

cc = np.cov(X,Y)
cc = cc[0,1]/np.sqrt(cc[0,0]*cc[1,1])

plt.clf()
plt.figure(figsize=(4,3.8))
plt.axes([0.17,0.12,0.8,0.75])
plt.plot(X, Y, 'o', color='orange')
plt.grid(True)
plt.title("Spearman correlation=1\nPearson correlation=%.2f" % cc)
plt.xlabel("X", size=16)
plt.ylabel("Y", size=16)
plt.xlim(-0.05,1.05)
plt.savefig("spearman_fig1.pdf")
plt.savefig("spearman_fig1.svg")

Licensing

I, the copyright holder of this work, hereby publish it under the following 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.

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18 December 2009

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Date/TimeThumbnailDimensionsUserComment
current17:16, 18 December 2009Thumbnail for version as of 17:16, 18 December 2009360 × 341 (56 KB)wikimediacommons>Skbkekas{{Information |Description={{en|1=Scatterplot comparing Spearman and Pearson correlation.}} |Source={{own}} |Author=Skbkekas |Date=2009-12-18 |Permission= |other_versions= }} Category:Statistical charts

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