Table 2 Error rate comparison results on classification benchmark datasets (mean ± standard deviation). The best value in each row is shown in bold, and the second-best value is underlined.

From: Test-time local training of neural network for tabular data

Dataset

No. instances \(\times\) no. features (no. classes)

Local learning

Global learning

Proposed

k-NN

LWSR

SR

RF

NN\(_\text {global}\)

NN\(_\text {TTLT}\)

Drybean

13,611 \(\times\) 16 (7)

0.0749 ± 0.0025

0.0704 ± 0.0023

0.0771 ± 0.0029

0.0758 ± 0.0031

0.0711 ± 0.0035

0.0683 ± 0.0029

Letter

20,000 \(\times\) 16 (26)

0.0473 ± 0.0032

0.0369 ± 0.0019

0.2255 ± 0.0044

0.0341 ± 0.0022

0.0253 ± 0.0026

0.0189 ± 0.0018**

Magic

19,020 \(\times\) 10 (2)

0.1570 ± 0.0051

0.1319 ± 0.0049

0.2081 ± 0.0066

0.1200 ± 0.0059

0.1228 ± 0.0053

0.1247 ± 0.0042

Optdigits

5620 \(\times\) 64 (10)

0.0190 ± 0.0028

0.0927 ± 0.0061

0.0414 ± 0.0042

0.0180 ± 0.0029

0.0230 ± 0.0026

0.0147 ± 0.0031*

Pageblocks

5473 \(\times\) 10 (5)

0.0335 ± 0.0049

0.0300 ± 0.0053

0.0384 ± 0.0052

0.0271 ± 0.0040

0.0301 ± 0.0054

0.0260 ± 0.0045*

Penbased

10,992 \(\times\) 20 (10)

0.0056 ± 0.0011

0.0057 ± 0.0011

0.0454 ± 0.0039

0.0078 ± 0.0009

0.0057 ± 0.0012

0.0041 ± 0.0008**

Satimage

6435 \(\times\) 36 (6)

0.0942 ± 0.0063

0.0923 ± 0.0067

0.1437 ± 0.0042

0.0869 ± 0.0076

0.0932 ± 0.0073

0.0788 ± 0.0070*

Texture

5500 \(\times\) 40 (11)

0.0111 ± 0.0039

0.0021 ± 0.0014

0.0027 ± 0.0020

0.0209 ± 0.0035

0.0020 ± 0.0017

0.0012 ± 0.0007

Waveform

5000 \(\times\) 21 (3)

0.1480 ± 0.0094

0.1611 ± 0.0114

0.1322 ± 0.0093

0.1503 ± 0.0089

0.1322 ± 0.0081

0.1331 ± 0.0097

Average Rank

4.22 ± 1.03

3.83 ± 1.29

5.17 ± 1.45

3.44 ± 1.71

2.89 ± 0.97

1.44 ± 0.83