. 2022 Nov 22;22(23):9030. doi: 10.3390/s22239030

Table 4.

RMSDs (mm) of the estimates of increments to point 101 coordinates from simulations.

Variant	Estimator	LS	Huber	HLW	$SMS {\hat{X}}_{(1)}$	$SMS {\hat{X}}_{(2)}$	$AMS {\hat{X}}_{(1)}$	$AMS {\hat{X}}_{(2)}$
Variant I	$d {\hat{X}}_{101}$	12.8	1.3	18.8	1.3	2.0	1.3	2.0
Variant I	$d {\hat{Y}}_{101}$	4.7	2.5	7.1	2.6	5.3	2.5	5.4
Variant II	$d {\hat{X}}_{101}$	13.2	1.7	38.2	1.2	1.8	1.3	1.8
Variant II	$d {\hat{Y}}_{101}$	1.7	7.8	12.8	2.7	4.1	2.8	3.5