[Retracted] Algorithm of Classroom Teaching Quality Evaluation Based on Markov Chain

Table 2

The status of the transition from the previous year to the current year’s English scores in Grades 2017, 2018, and 2019.

		English test scores of the year
			n1	n2	n3	n4	n5	Total
Grade 2017	English test results of the previous year	n1	0	0	0	0	0	0
		n2	1	6	7	8	0	22
		n3	7	9	16	10	0	42
		n4	2	15	25	2	0	44
		n5	1	19	9	13	0	42
		Total	11	49	57	33	0	150
Grade 2018	English test results of the previous year	n1	0	0	0	0	0	0
		n2	2	8	7	8	0	25
		n3	6	1	14	10	0	31
		n4	5	19	18	8	1	51
		n5	0	10	15	18	0	43
		Total	13	38	54	44	1	150
Grade 2019	English test results of the previous year	n1	0	0	0	0	0	0
		n2	2	6	3	8	0	19
		n3	5	9	10	1	0	25
		n4	1	20	9	17	0	47
		n5	0	25	21	13	0	59
		Total	8	60	43	39	0	150