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. 2014 Oct 19;24(3):591–598. doi: 10.1007/s11136-014-0794-5

Table 4.

Matrix of correlations between observed and estimated utility values, by statistical model

Observed OLS Median Gamma Tobit
Observed 1.000 0.789 0.789 0.775 0.790
OLS 1.000 0.993 0.960 0.996
Median regression 1.000 0.965 0.991
Gamma 1.000 0.968
Tobit 1.000

OLS ordinary least square