Summary statistics of pathologists’ and computer’s estimation of <i>r</i>_<i>a</i> (the ratio of the true area of positive nuclei to area covered by all nuclei).

Here represent the estimation of ra by pathologist 1, pathologist 2, pathologist 3, pathologist 4 and the computer algorithm, respectively. The aim of computing this statistics was to check if pathologists’ are unconsciously computing ra when asked to approximate rn.