Table 1.

Mean square error (MSE) of the conditional mean estimators ${\widehat{m}}^{\mathit{LS}}\left(x\right)$ with ${\widehat{h}}_{\mathit{DPI}}$ and ${\widehat{h}}_{\mathit{DPI}}^{\ast }$

	MSE using
x	${\widehat{h}}_{\mathit{DPI}}$	${\widehat{h}}_{\mathit{DPI}}^{\ast }$
0	0.37	0.28
.2	0.16	0.15
.4	0.11	0.10
.6	0.11	0.08
.8	0.10	0.07
1	0.09	0.07
1.5	0.09	0.07
2	0.10	0.08
2.5	0.13	0.09
3	0.17	0.12
3.5	0.20	0.14
4	0.26	0.19
4.2	0.28	0.22
4.4	0.36	0.29
4.6	0.49	0.44
4.8	0.88	0.76
5	2.28	1.52