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初级

混淆矩阵

未完成
初级参考 完整示例代码供参考,建议自己理解后重新输入
def solve():
    y_true = [1,0,1,1,0,1]
    y_pred = [1,0,0,1,0,1]
    tp = sum(1 for t, p in zip(y_true, y_pred) if t == 1 and p == 1)
    fp = sum(1 for t, p in zip(y_true, y_pred) if t == 0 and p == 1)
    tn = sum(1 for t, p in zip(y_true, y_pred) if t == 0 and p == 0)
    fn = sum(1 for t, p in zip(y_true, y_pred) if t == 1 and p == 0)
    print(tp)
    print(fp)
    print(tn)
    print(fn)

示例

输入
solve()
期望输出
3
0
2
1
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