Table 3 Correlation between test area-under-the-curve and sample size above and below auto-encoder loss inflection points for with varying levels of label accuracy.

From: Autoencoders for sample size estimation for fully connected neural network classifiers

 

Pre-MCSE

Post-MCSE

% Mislabled

R2

Kendall’s τ

Spearman’s ρ

R2

Kendall’s τ

Spearman’s ρ

0.10

0.006

0.074

0.092

0.686

0.703

0.842

1.00

0.003

–0.025

–0.032

0.710

0.721

0.865

2.00

0.021

0.100

0.126

0.706

0.694

0.839

5.00

0.002

0.054

0.070

0.687

0.654

0.812

10.0

0.001

0.002

−0.001

0.714

0.681

0.827

20.0

0.012

0.084

0.106

0.644

0.619

0.768

30.0

0.004

0.028

0.038

0.465

0.498

0.636

40.0

0.000

−0.017

−0.022

0.389

0.418

0.557

50.0

0.024

−0.105

−0.137

0.385

0.354

0.471