lesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triagelesson 5 of 5 · mission: confusion matrix triage
Complete the zero-denominator guards — the mission's stage 1 requires them, because an all-negative slice has tp + fn == 0.