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4. f1score.py
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4. f1score.py
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labels = [1, 0, 0, 1, 1, 1, 0, 1, 1, 1]
guesses = [0, 1, 1, 1, 1, 0, 1, 0, 1, 0]
true_positives = 0
true_negatives = 0
false_positives = 0
false_negatives = 0
for i in range(len(guesses)):
#True Positives
if labels[i] == 1 and guesses[i] == 1:
true_positives += 1
#True Negatives
if labels[i] == 0 and guesses[i] == 0:
true_negatives += 1
#False Positives
if labels[i] == 0 and guesses[i] == 1:
false_positives += 1
#False Negatives
if labels[i] == 1 and guesses[i] == 0:
false_negatives += 1
accuracy = (true_positives + true_negatives) / len(guesses)
print(accuracy)
recall = true_positives / (true_positives + false_negatives)
print(recall)
precision = true_positives / (true_positives + false_positives)
print(precision)
f_1 = 2 * (precision * recall) / (precision + recall)
print(f_1)