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. Author manuscript; available in PMC: 2022 Sep 8.
Published in final edited form as: Evol Comput. 2018 May 10;27(3):377–402. doi: 10.1162/evco_a_00224

Table 1:

Example population from original lexicase paper (Spector, 2012). Plex and Pt are the probabilities of selection under lexicase selection (Eqn. 4) and tournament selection with tournament size 2 (Eqn. 6), respectively.

Program Case Error Elite Cases MAE p lex P t
e 1 e 2 e 3 e 4
n 1 2 2 4 2 {t2,t4} 2.5 0.25 0.28
n 2 1 2 4 3 {t2} 2.5 0.00 0.28
n 3 2 2 3 4 {t2,t3} 2.75 0.33 0.12
n 4 0 2 5 5 {t1,t2} 3.0 0.21 0.04
n 5 0 3 5 2 {t1,t4} 2.5 0.21 0.28