Table 1 Class ratios for each air compressor in a manufacturing plant located in South Korea.

From: Early detection of air leakage in IoT-connected compressors using enhanced data sampling with deep learning

Machine Type

Class

April

May

June

July

August

Count

Ratio (%)

Count

Ratio (%)

Count

Ratio (%)

Count

Ratio (%)

Count

Ratio (%)

Air compressor #1

0

7245

94.0

11960

95.3

11540

92.1

8480

98.0

11189

98.3

1

466

6.0

588

4.7

994

7.9

172

2.0

194

1.7

Air compressor #2

0

6179

87.4

8694

86.9

13034

82.5

11883

90.6

11500

96.1

1

893

12.6

1308

13.1

2772

17.5

1237

9.4

469

3.9

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