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webmining u4 update

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This commit is contained in:
Ulf Gebhardt 2013-06-15 23:00:45 +02:00
parent 7c7759b248
commit e65f1c2448
1 changed files with 24 additions and 15 deletions
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39
ss2013/1_Web Mining/Uebungen/4_Uebung/code/confusion_matrix.py
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@ -54,6 +54,7 @@ def accuracy():
accuracy = float(ok_recognized) / float(document_count)
def prec():
#per class -> positive matches / alle matches auf class
i = 0
global precision
for conf in conf_matr:
@ -69,7 +70,7 @@ def prec():
if not_ok_values +ok_values > 0:
precision[i] = float(ok_values) / float(ok_values + not_ok_values)
else:
precision[i] = 0
precision[i] = 0 #division by zero
i += 1
def avg_prec():
@ -81,26 +82,34 @@ def avg_prec():
def pp_confusionmatrix():
print "\tc1\tc2\tc3\tc4\tc5\tc6\tc7\tc8\tc9\tc10\tc11"
lines = ["c1\t","c2\t","c3\t","c4\t","c5\t","c6\t","c7\t","c8\t","c9\t","c10\t","c11\t"]
print "\t\t"+classes[0][0]+"\t"+classes[1][0]+"\t"+classes[2][0]+"\t"+classes[3][0]+"\t"+classes[4][0]+"\t"+classes[5][0]+"\t"+classes[6][0]+"\t"+classes[7][0]+"\t"+classes[8][0]+"\t"+classes[9][0]+"\t"+classes[10][0]
lines = [""+classes[0][0]+"\t",classes[1][0]+"\t",""+classes[2][0]+"\t",classes[3][0]+"\t\t",classes[4][0]+"\t",classes[5][0]+"\t\t",classes[6][0]+"\t\t",classes[7][0]+"\t\t",classes[8][0]+"\t\t",classes[9][0]+"\t\t",classes[10][0]+"\t\t"]
for column in conf_matr:
lines[0] += str(column[0]) + "\t"
lines[1] += str(column[1]) + "\t"
lines[2] += str(column[2]) + "\t"
lines[3] += str(column[3]) + "\t"
lines[4] += str(column[4]) + "\t"
lines[5] += str(column[5]) + "\t"
lines[6] += str(column[6]) + "\t"
lines[7] += str(column[7]) + "\t"
lines[8] += str(column[8]) + "\t"
lines[9] += str(column[9]) + "\t"
lines[10] += str(column[10]) + "\t"
lines[0] += str(column[0]) + "\t\t"
lines[1] += str(column[1]) + "\t\t"
lines[2] += str(column[2]) + "\t\t"
lines[3] += str(column[3]) + "\t\t"
lines[4] += str(column[4]) + "\t\t"
lines[5] += str(column[5]) + "\t\t"
lines[6] += str(column[6]) + "\t\t"
lines[7] += str(column[7]) + "\t\t"
lines[8] += str(column[8]) + "\t\t"
lines[9] += str(column[9]) + "\t\t"
lines[10] += str(column[10]) + "\t\t"
for l in lines:
print l
def pp_accuracy():
print "Accuracy: "+str(round(accuracy*100,4))+"%"
def pp_prec():
line = "Precision per class: "
i = 0
for p in precision:
line += classes[i][0]+":"+str(round(p*100,4))+" "
i += 1
print line
if __name__ == '__main__':
load_predictionfile(predfile)
@ -111,7 +120,7 @@ if __name__ == '__main__':
accuracy()
pp_accuracy()
prec()
print precision
pp_prec()
avg_prec()
print precision_avg