Robust Hotelling 𝑇² Control Chart with Consistent Minimum Vector Variance

Table 6

The Hotelling 𝑇² values for the future (Phase II) data.

No.	𝑇^2	𝑇^2MCD	𝑇^2MVV(𝑜)	𝑇^2MVV(𝐼)
1	0.55822	1.76591	4.39082	1.56608
2	0.90026	2.46944	5.16947	1.84380
3	0.49916	0.34367	0.29917	0.10671
4	0.54633	0.54563	1.50640	0.53729
5	0.45922	0.45797	3.78687	1.35067
6	0.90130	1.25274	2.24213	0.79971
7	3.09329	4.44043	6.53612	2.33125
8	0.80608	0.68370	1.05554	0.37648
9	7.36021	14.97663	26.04990	9.29127
10	3.61976	9.74168	19.17603	6.83955
11	5.38392	11.87166	19.63128	7.00193
12	2.73870	2.97882	8.13879	2.90288
13	3.80577	7.40398	11.38954	4.06233
14	2.05480	3.30863	9.14983	3.26349
15	2.50731	6.80538	12.38812	4.41850
16	1.19755	1.06789	2.05633	0.73344
17	1.57979	1.75966	2.87650	1.02597
18	5.79103	9.28168	13.92929	4.96819
19	1.83044	2.41775	4.87909	1.74023
20	38.13972	214.92329	894.51844	319.04971
21	1.26507	1.54862	2.06405	0.73619
22	8.41812	24.65515	45.24620	16.13805
23	3.75884	4.87934	7.53275	2.68672
24	1.06020	0.93200	2.23575	0.79743
25	42.84468	68.63065	116.02933	41.38442
26	0.48316	0.77959	7.32655	2.61318