Prediction
Est. topper score
—
stat. estimate
Difficulty
—
avg / max marks
Normalization pipeline
difficulty = avg / max
—
est. topper gap norm
—
est. topper
—
dynamic k
—
sigma σ
—
z-score
—
x norm (vs topper)
—
↓ RankNet
percentile
—
⚠ Score is at or below class average. Model has limited data in this range — treat with caution.
⚠ Score exceeds estimated topper. Clamped to topper — you're likely in the top 1%.
✓ Score is well above average. Prediction confidence is high.