Showing Predictor "Toy dataset 7"

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Notes:

Synthetic dataset from Hao, with 20 uncensored patients and 1 feature taking values 1-3.  Value 1 is short survival, 2 is long survival, and 3 is medium

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Cross-validation results
5-Fold Cross-Validation Statistics*
Measure PSSP Predictor (median) PSSP Predictor (mean) K-M Predictor
Concordance Index0.85 ± 0.080.85 ± 0.080.5 ± 0.0
Hinged L1 Loss3.57 ± 0.567.4 ± 0.75
Uncensored L1 loss3.57 ± 0.565.16 ± 1.537.4 ± 0.75
Marginal L1 Loss3.57 ± 0.565.16 ± 1.537.4 ± 0.75
Marginal L2 Loss4.81 ± 0.78.5 ± 0.73
Hinged L1 Log-Loss0.22 ± 0.050.4 ± 0.160.54 ± 0.09
Uncensored L1 Log-Loss0.22 ± 0.050.4 ± 0.160.54 ± 0.09
Marginal L1 Log-Loss0.2 ± 0.040.37 ± 0.150.5 ± 0.09
Log-Likelihood Loss1.03 ± 0.19
D-calibration χ2 statistics16.0 ± 0.016.0 ± 0.0
D-calibration χ2 p-value0.66 ± 0.00.66 ± 0.0
*Mean value ± standard deviation.


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Statistics accuracy, specificity, sensitivity (1-calibration) for
classifier with Cutoff:   Day