Research Article

[Retracted] On Some Classes of Estimators Derived from the Positive Part of James–Stein Estimator

Table 3

Values of risk ratios (top) and (bottom) for and different values of and .

0.00.10.20.50.70.9

1.24180.22520.30730.39050.63420.78520.9289
0.22460.30680.39000.63400.78510.9289

2.49480.31140.38610.46050.67510.80830.9364
0.31100.38570.46020.67500.80820.9364

5.00190.44580.50660.56620.73620.84310.9478
0.44560.50460.56600.73610.84310.9478

10.43110.62080.66090.70030.81450.88890.9630
0.62080.66090.70020.81440.88890.9630

15.41100.70750.73750.76710.85490.91290.9710
0.70750.73750.76710.85480.91290.9710

20.00000.75810.78250.80680.87930.92760.9759
0.75810.78250.80680.87930.92760.9759