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logarithmic scale fitting python

Zany Zebra answered on March 10, 2020 Popularity 8/10 Helpfulness 4/10

answer logarithmic scale fitting python

logarithmic scale fitting python

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fig=plt.figure()
ax = fig.add_subplot(111)

z=np.arange(1, len(x)+1) #start at 1, to avoid error from log(0)

logA = np.log(z) #no need for list comprehension since all z values >= 1
logB = np.log(y)

m, c = np.polyfit(logA, logB, 1, w=np.sqrt(y)) # fit log(y) = m*log(x) + c
y_fit = np.exp(m*logA + c) # calculate the fitted values of y 

plt.plot(z, y, color = 'r')
plt.plot(z, y_fit, ':')

ax.set_yscale('symlog')
ax.set_xscale('symlog')
#slope, intercept = np.polyfit(logA, logB, 1)
plt.xlabel("Pre_referer")
plt.ylabel("Popularity")
ax.set_title('Pre Referral URL Popularity distribution')
plt.show()

Popularity 8/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: best-fit line python scale

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Contributed on Mar 10 2020

Zany Zebra

0 Answers Avg Quality 2/10

logarithmic scale fitting python

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