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annotate distr_1.py @ 40:f13017bb4502

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author Henry S. Thompson <ht@inf.ed.ac.uk>
date Mon, 03 Jan 2022 19:19:20 +0000
parents 6c389c0f1b40
children
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1 #!/usr/bin/python3
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2 '''Display a bell curve for a fake normal distribution'''
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3 # experimenting with normal distributions of coin flips
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4 # Usage: distr.py Nexprs Mflips [differentN]
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5 # Requires python3.6 as of 2021-07-28
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6 import sys, random, signif
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7 from nltk import FreqDist
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9 n=int(sys.argv[1])
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10 m=int(sys.argv[2])
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11 if len(sys.argv)>3:
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12 nn=int(sys.argv[3])
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13 else:
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14 nn=None
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15 fd=FreqDist()
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16 for i in range(n):
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17 fd[sum(random.randint(0,1) for i in range(m))]+=1
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19 if nn is not None:
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20 fd2=FreqDist()
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21 for i in range(nn):
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22 fd2[sum(random.randint(0,1) for i in range(m))]+=1
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24 fd.bell(xtra=fd2)
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25 else:
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26 fd.bell()
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