News
NewsLens analytics surface backed by the FastAPI contract.
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News Lens PCA
Live FastAPI data
What this page does
View latent lens components that explain the largest variance in the dataset.
Data Mode
Snapshot mode requires a valid date (`YYYY-MM-DD`). Falling back to current data until provided.
PCA Status
ok
Articles320
Lenses12
Components6
Coverage Modecomplete_rows
PCA Visuals
Explained Variance
| Component | Eigenvalue | Explained | Cumulative |
|---|---|---|---|
| PC1 | 6.4094 | 53.2% | 53.2% |
| PC2 | 1.5489 | 12.9% | 66.1% |
| PC3 | 0.8507 | 7.1% | 73.2% |
| PC4 | 0.6914 | 5.7% | 78.9% |
| PC5 | 0.5300 | 4.4% | 83.3% |
| PC6 | 0.4203 | 3.5% | 86.8% |
Variance Drivers
| Lens | Weighted Contribution | PC1 | PC2 |
|---|---|---|---|
| Omission and Silence Lens | 0.0819 | -0.0172 | 0.6145 |
| Linguistic Quality Lens | 0.0792 | 0.2577 | -0.2445 |
| Causal Attribution Lens | 0.0773 | 0.2964 | 0.2374 |
| Objectivity vs Opinion Lens | 0.0745 | 0.2116 | -0.4447 |
| Hegemonic Common-Sense Lens | 0.0728 | 0.2805 | 0.0974 |
| Entity-Level Sentiment Lens | 0.0720 | 0.3431 | -0.2193 |
| Sentiment Clarity Lens | 0.0712 | 0.3361 | -0.1494 |
| Credibility Lens | 0.0705 | 0.3560 | 0.0839 |
| Emotional Intensity Lens | 0.0699 | 0.2179 | 0.4334 |
| Agency and Voice Lens | 0.0692 | 0.2949 | 0.1538 |
| Epistemic Modality and Certainty Lens | 0.0651 | 0.3378 | 0.0981 |
| Authority and Source Positioning Lens | 0.0647 | 0.3406 | -0.0216 |
Source Centroids
| Source | Count | PC1 | PC2 |
|---|---|---|---|
| BBC News | 34 | 0.978 | -0.254 |
| Al Jazeera | 32 | 0.188 | 0.391 |
| CBS News | 32 | -2.670 | 0.335 |
| Fox News | 32 | 0.062 | 0.775 |
| PBS NewsHour | 32 | 0.127 | -0.338 |
| NBC News | 31 | -1.366 | -0.438 |
| NPR | 31 | 0.223 | -0.405 |
| DW | 30 | 1.294 | -0.130 |
| ABC News (Australia) | 25 | 0.335 | -0.050 |
| ABC News | 21 | 0.275 | -0.295 |
| The Guardian | 20 | 1.127 | 0.445 |