A Study on Estimating the Next Failure Time of Compressor Equipment in an Offshore Plant

Table 2

Test results of Markov model based approach.

Failure event	Average	obs. less than 30	obs. less than 50
1	0.308	6	8
2	0.310	5	8
3	0.498	2	6
4	0.407	5	6
5	0.653	3	4
6	0.422	5	7
7	0.377	3	5
8	0.667	5	5
9	0.438	6	8
10	0.644	2	5
11	0.485	4	5
12	0.387	5	5
13	0.258	6	10
Average	0.450	4.380	6.310

The average on 10 MAPEs for each failure event.
Number of observations such that MAPE 30% among 10 test examples.
Number of observations such that MAPE 50% among 10 test examples.