Minimizing the Makespan for a Two-Stage Three-Machine Assembly Flow Shop Problem with the Sum-of-Processing-Time Based Learning Effect

Table 3

The mean ranks of algorithms in Kruskal–Wallis test for small and large number of jobs.

Algorithm	Small		Big
	Number of obs.	Mean Rank	Number of obs.	Mean Rank
IGLS1	36	115.14	36	82.38
IGLS2	36	80.96	36	70.67
IGLS3	36	80.39	36	65.50
IGLS4	36	115.64	36	79.83
CSA	36	60.38	36	154.13
Total	180	90.50	180	90.50

Note that average scores were used for ties.