30 lines
615 B
Python
30 lines
615 B
Python
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import re
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import os
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import math
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prawdziwe = []
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przewidziane = []
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def wrozka(line):
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f = open("test","w")
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f.write(line)
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f.close()
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return float(os.popen("vw -i model_ai test -p /dev/stdout --quiet").read())
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def ocena(praw,prze):
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bledy = 0.0
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for n in range(len(praw)):
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bledy += math.fabs(praw[n]-prze[n])
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return bledy/float(len(praw))
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file = open("development", "r")
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for n in file:
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reg = re.search(r"^([0-9]+)( *|-*)([^0-9].*)", n)
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prawdziwe.append(float(reg.group(1)))
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przewidziane.append(wrozka(reg.group(3)))
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file.close()
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print(ocena(prawdziwe, przewidziane))
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