ML estimate

Haldane, 1956

Huether & Murphy, 1980

Xg

     

Mann et al., 1962

0.33422

0.33598

0.33603

Noades et al.,  1966

0.32769

0.32789

0.32789

Sanger et al., 1971

0.33678

0.33688

0.33688

Colour vision

     

Whaaler,  1927

0.06640

0.06661

0.06661

Schmidt , 1936

0.05974

0.06011

0.06012

Koliopoulos et al., 1976

0.06501

0.06523

0.06523

Table 4: Comparison between the maximum likelihood estimates and the improved estimates proposed by Haldane (1956) and Huether & Murphy (1980).