mhjensen
20 lines
594 B
Python
20 lines
594 B
Python
import numpy as np
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from matplotlib import pyplot as plt
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# Load in data file
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data = np.loadtxt('Hudson_Bay.dat', delimiter=',', skiprows=1)
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# Make arrays containing x-axis and hares and lynx populations
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year = data[:,0]
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hares = data[:,1]
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lynx = data[:,2]
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plt.plot(year, hares ,'b-+', year, lynx, 'r-o')
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plt.axis([1900,1920,0, 100.0])
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plt.xlabel(r'Year')
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plt.ylabel(r'Numbers of hares and lynx ')
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plt.legend(('Hares','Lynx'), loc='upper right')
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plt.title(r'Population of hares and lynx from 1900-1920 (x1000)}')
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plt.savefig('Hudson_Bay_data.pdf')
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plt.savefig('Hudson_Bay_data.png')
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plt.show()
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