Student Performance Prediction

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Accuracy

$$Accuracy = \frac{TP + TN}{TP + TN + FP + FN}$$

Meaning

Percentage of correctly classified instances.

Precision

$$Precision = \frac{TP}{TP + FP}$$

Meaning

Out of all students predicted as Placed, how many were actually placed?

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Recall (Sensitivity)

$$Recall = \frac{TP}{TP + FN}$$

Meaning

Out of all actually placed students, how many were correctly identified?

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F1-Score

$$F1 = \frac{2 \times Precision \times Recall}{Precision + Recall}$$

Meaning

Balanced measure of Precision and Recall.

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Support

$$Support = \text{Total Actual Instances of a Class}$$

For Placed class:

$$Support = TP + FN$$

For Not Placed class:

$$Support = TN + FP$$