NBA SENTIMENT TRACKER

Timeline

Topic Clouds

Analysis

Players

Model

Period

Events

Articles

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Player

Embeddings

Color by

Labels

PC Arrows

Time

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Sentiment

1 Neg510 Pos

Clusters (percentile)

Articles

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All Time

Metric Smooth Window Speed

Player

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Measurement Model — AI Rater Panel

Rater Bias (Company × Tier)

Factor Loadings (λ) — Discrimination

Group Effects

Structural Model — Latent Sentiment vs Simple Mean

Semantic Velocity — Narrative Shift Detection

Time-Series Dynamics

ACF / PACF — Correlogram

Rolling AR(1) Inertia (52-week window)

Narrative Axes — PC Interpretation (HAAM)

Explained Variance (Scree)

LASSO Coefficients (Active PCs)