igorcs commited on
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098d2fa
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1 Parent(s): ff4a4c3

adding Utils

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  1. Utils.py +57 -0
Utils.py ADDED
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+ from sklearn.metrics import accuracy_score, cohen_kappa_score, root_mean_squared_error, f1_score
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+ import numpy as np
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+
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+ def arredondar_notas(notas):
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+ referencia = [0, 40, 80, 120, 160, 200]
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+ novas_notas = []
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+ for n in notas:
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+ mais_prox = 1000
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+ arredondado = -1
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+ for r in referencia:
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+ if abs(n - r) < mais_prox:
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+ arredondado = r
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+ mais_prox = abs(n - r)
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+ novas_notas.append(arredondado)
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+ return novas_notas
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+
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+ def calcular_div(notas1, notas2):
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+ #calcula a divergencia horizontal: duas notas são divergentes se a diferença entre elas é maior que 80
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+ div = 0
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+ for n1, n2 in zip(notas1,notas2):
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+ if abs(n1 - n2) > 80:
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+ div += 1
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+ return 100*div/len(notas1)
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+
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+ def calcular_agregado(dic_perf):
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+ acc = dic_perf['ACC']*100
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+ rmse = (200 - dic_perf['RMSE'])/2
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+ qwk = dic_perf['QWK']*100
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+ div = 100 - dic_perf['DIV']
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+ #print(acc, rmse, qwk, div)
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+ return (acc + rmse + qwk + div)/4
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+
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+ def calcular_resultados(y, y_hat):
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+ ALL_LABELS = [0, 40, 80, 120, 160, 200]
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+ ACC = accuracy_score(y, y_hat)
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+ RMSE = root_mean_squared_error(y, y_hat )
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+ QWK = cohen_kappa_score(y, y_hat, weights='quadratic', labels=ALL_LABELS)
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+ DIV = calcular_div(y, y_hat)
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+ macro_f1 = f1_score(
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+ y,
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+ y_hat,
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+ average="macro",
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+ labels=ALL_LABELS,
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+ zero_division=np.nan,
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+ )
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+ weighted_f1 = f1_score(
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+ y,
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+ y_hat,
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+ average="weighted",
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+ labels=ALL_LABELS,
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+ zero_division=np.nan,
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+ )
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+ if not isinstance(y, list):
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+ y = y.tolist()
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+ dic = {'ACC': ACC, 'RMSE': RMSE, 'QWK': QWK, 'DIV': DIV, 'F1-Macro': macro_f1, 'F1-Weighted': weighted_f1, 'y': y, 'y_hat': y_hat}
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+ dic['Agregado'] = calcular_agregado(dic)
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+ return dic