Showing Predictor "NACD - L2, Cox, 100"

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Notes:

Original version -- with single feature for Site, single feature for Stage, etc.

Using Cox FeatureSelection (sibling).

L2.

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Options
Regularization: L2	Tuning Score: avg log-likelihood loss
Time Points: 101	Tune Parameters: true
Feature Selection: Cox Feature Selection	Include Sibling Features: true
Standardize: true	Run Cross-Validation: true
Objective Function: log-likelihood	Marginal Loss Type: unweighted
Use pre-defined Fold: No

Results
Start Time: 2015-08-14 23:01:03 -0600	Used Time: 3 minutes
Label Name: SURVIVAL	C Parameter: 3.0
PSSP model: mtlr_model_file1409.mtlr	Version: 0.0.1

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Cross-validation results

5-Fold Cross-Validation Statistics*
Measure	PSSP Predictor (median)	PSSP Predictor (mean)	K-M Predictor
Concordance Index	0.75 ± 0.01		0.5 ± 0.0
Hinged L1 Loss	9.82 ± 0.24
Uncensored L1 loss	11.05 ± 0.37
Marginal L1 Loss	N / A
Marginal L2 Loss	N / A
Hinged L1 Log-Loss	0.58 ± 0.01
Uncensored L1 Log-Loss	0.48 ± 0.02
Marginal L1 Log-Loss	N / A
Log-Likelihood Loss	2.23 ± 0.02
D-calibration χ² statistics	13.11 ± 3.89
D-calibration χ² p-value	0.79 ± 0.2

*Mean value ± standard deviation.

Examine Classification Accuracy