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Merge pull request #63 from abarton51/karpagam5789-patch-12
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Update final_report.md
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karpagam5789 authored Dec 5, 2023
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Expand Up @@ -510,19 +510,19 @@ The loss graph considerably diverges at ~8-9 epochs, showing the start of overfi

| Genre | Precision | Recall | F1-score | Support |
|--------------|-----------|--------|----------|---------|
| Disco | 0.76 | 0.75 | 0.75 | 299 |
| Metal | 0.73 | 0.83 | 0.78 | 293 |
| Reggae | 0.53 | 0.68 | 0.59 | 282 |
| Blues | 0.63 | 0.40 | 0.49 | 300 |
| Rock | 0.46 | 0.30 | 0.36 | 319 |
| Classical | 0.81 | 0.78 | 0.80 | 308 |
| Jazz | 0.52 | 0.62 | 0.57 | 304 |
| Hip Hop | 0.71 | 0.66 | 0.68 | 300 |
| Country | 0.44 | 0.62 | 0.52 | 305 |
| Pop | 0.80 | 0.67 | 0.73 | 287 |
| **Accuracy** | | | 0.63 | 2997 |
| **Macro Avg.** | 0.64 | 0.63 | 0.63 | 2997 |
| **Weighted Avg.**| 0.64 | 0.63 | 0.63 | 2997 |
| Disco | 0.76 | 0.68 | 0.72 | 326 |
| Metal | 0.82 | 0.95 | 0.88 | 300 |
| Reggae | 0.76 | 0.70 | 0.73 | 299 |
| Blues | 0.76 | 0.67 | 0.71 | 316 |
| Rock | 0.64 | 0.56 | 0.60 | 281 |
| Classical | 0.80 | 0.98 | 0.88 | 294 |
| Jazz | 0.85 | 0.75 | 0.80 | 291 |
| Hip Hop | 0.74 | 0.82 | 0.78 | 299 |
| Country | 0.67 | 0.71 | 0.69 | 284 |
| Pop | 0.74 | 0.75 | 0.74 | 307 |
| **Accuracy** | | | 0.76 | 2997 |
| **Macro Avg.** | 0.75 | 0.76 | 0.75 | 2997 |
| **Weighted Avg.**| 0.76 | 0.76 | 0.75 | 2997 |


The raw spectrogram model performs considerably better than the processed ones. This is likely due to the processed spectrograms losing valuable information for classification. However, the inherent greater complexity of this function results in a performance that is still inferior to the best MLP.
Expand Down Expand Up @@ -550,8 +550,6 @@ However, it may well be that spectrograms still provide valuable insights, as th

Perhaps one of the most interesting insights we find is in how the model does its missclassifications, a finding that is more pronounced in the poorly-performing models. Namely, it is the interesting consequence of rock being a genre that has both a number of predecessor genres (blues, bluegrass, country, boogie-woogie, gospel, and country music) as well as successor genres (pop, metal, etc.). This results in a number of misclassifications for rock, being the "central genre" between these predecessors and successors. Additionally, genres that are not part of this interrelated family end up having performance that is quite high, especially evident with classical music. This potentially shows that the models (however medicore some of their individual performances may be) are learning fundamental features that define western music as an art form.

**Overall**:

## Next Steps
**MusicNet**:
1. Fine-tuning Hyperparameters: The decision tree provides a baseline, and the hyperparameter search space can be refined based on its results, and we could do more experimentation with random forests and gradient-boosted trees hyperparameters could potentially improve performance.
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