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ADVANCED ANALYSIS REPORT - HEALTHCARE PATIENT DATASET
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Generated on: 2025-12-28 15:15:52
Author: RSK World (https://rskworld.in)
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CORRELATION ANALYSIS
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Correlation Matrix:
                     age  length_of_stay   charges
age             1.000000        0.658319  0.526026
length_of_stay  0.658319        1.000000  0.566531
charges         0.526026        0.566531  1.000000

[OK] Saved: visualizations/correlation_matrix.png

Strong Correlations (|r| > 0.3):
  age <-> length_of_stay: 0.658
  age <-> charges: 0.526
  length_of_stay <-> charges: 0.567

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STATISTICAL TESTS
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T-test: Charges by Gender
  T-statistic: 0.8402
  P-value: 0.4079
  Significant: No (p < 0.05)

T-test: Length of Stay by Outcome (Recovered vs Improved)
  T-statistic: -6.4528
  P-value: 0.0000
  Significant: Yes (p < 0.05)

Chi-square Test: Outcome vs Treatment Type
  Chi-square: 36.8210
  P-value: 0.0247
  Degrees of freedom: 22
  Significant: Yes (p < 0.05)

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READMISSION PREDICTION MODEL
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Model Performance:
  Accuracy: 1.0000 (100.00%)

Classification Report:
              precision    recall  f1-score   support

          No       1.00      1.00      1.00         9

    accuracy                           1.00         9
   macro avg       1.00      1.00      1.00         9
weighted avg       1.00      1.00      1.00         9


Feature Importance:
  length_of_stay: 0.4294
  charges: 0.3436
  age: 0.2270

[OK] Saved: visualizations/feature_importance.png

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CHARGES PREDICTION MODEL
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Model Performance:
  R² Score: -1.2788
  RMSE: $7,539.40

[OK] Saved: visualizations/charges_prediction.png