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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Stat Sin. 2015 Jul;25(3):901–920. doi: 10.5705/ss.2012.364

Table 4.3.

Summary statistics and empirical coverage probability of 95% nominal percentile confidence intervals for ψ110 and ψ120 using the oracle estimator, the proposed penalized Q-learning based estimator, the hard max estimator and the soft-threshold estimator. The notations are the same as in Table 2.

ψ11 ψ12
bias ×1000 MSE×1000 std×100 CP bias×1000 MSE×1000 std×100 CP
Setting 1
Oracle −1 1.9 4.5 95.3 0 2.0 4.5 94.7
PQ −1 1.9 4.5 95.3 0 2.0 4.5 94.7
HM 0 2.4 93.7* −1 2.1 94.5
ST 1 2.3 94.8 −1 2.1 94.6
Setting 2
Oracle 0 2.5 5.8 97.3* −1 2.1 4.6 95.0
PQ −1 1.9 4.5 95.3 0 2.0 4.5 94.8
HM 0 2.5 94.8 −1 2.1 94.4
ST 1 2.3 94.8 0 2.1 94.4
Setting 3
Oracle −1 2.9 5.5 95.0 0 2.0 4.5 94.8
PQ −10 3.1 5.5 94.0 −1 2.0 4.5 94.6
HM −31 4.2 93.8* −1 2.1 94.0
ST −11 4.0 95.0 0 2.1 94.0
Setting 4
Oracle −26 4.0 6.2 94.9 −1 2.1 4.5 95.0
PQ −6 3.1 5.5 94.6 0 2.0 4.5 94.6
HM −26 4.0 94.5 −1 2.1 94.0
ST −7 3.4 95.1 0 2.1 93.9
Setting 5
Oracle −1 3.5 6.1 95.8 −1 2.5 4.9 94.3
PQ −5 3.6 6.1 95.2 0 2.5 4.9 94.3
HM −16 4.0 94.6 6 2.6 94.0
ST −3 4.0 95.2 −3 2.6 94.2
Setting 6
Oracle 2 3.9 6.2 95.0 0 2.4 4.8 94.2
PQ 2 4.0 6.2 94.6 0 2.4 4.8 94.2
HM 2 3.9 93.7* 0 2.4 94.1
ST 1 4.6 91.4* 2 2.5 94.1