Poisson_pmf.svg
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Summary
Description Poisson pmf.svg |
English:
Plot of the probability mass function for the Poisson distribution.
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Date | |
Source | Own work |
Author | Skbkekas |
SVG development
InfoField
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This plot was created with
Matplotlib
.
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Source code
InfoField
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Python codeimport numpy as np
import matplotlib.pyplot as plt
import scipy.special as sp
col = {1 : 'orange', 4: 'purple', 10: 'lightblue'}
X = np.arange(0, 21)
plt.rc('text', usetex = True)
plt.rc('font', family = 'serif', size = 12)
##
## PMF
##
plt.clf()
plt.figure(figsize=(4,3.2))
A = []
for L in 1,4,10:
P = -L + X*np.log(L) - sp.gammaln(X+1)
P = np.exp(P)
plt.plot(X, P, '-', color='grey', label='_nolegend_')
a = plt.plot(X, P, 'o', color=col[L], markeredgecolor='k', markeredgewidth=0.5)
A.append(a)
plt.xlabel("$k$")
plt.ylabel(r"$P(x=k)$")
plt.ylim([0,0.4])
plt.yticks(np.arange(0,0.42,.05))
plt.tick_params(direction='in', top=True, right=True)
plt.legend((r"$\lambda=1$", r"$\lambda=4$", r"$\lambda=10$"),
numpoints=1, handlelength=0.75, handletextpad=0.5,\
loc="upper right", frameon=False)
plt.xlim(-1,21)
plt.savefig("poisson_pmf.pdf")
plt.savefig("poisson_pmf.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 3.0 Unported
license.
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You are free:
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- to remix – to adapt the work
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Under the following conditions:
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