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Table 1:
Example population from original lexicase paper (Spector, 2012). Plex and Pt are the probabilities of selection under lexicase selection (Eq. (4)) and tournament selection with tournament size 2 (Eq. (6)), respectively.
Case Error
Programe1e2e3e4Elite CasesMAEPlexPt
n1 {t2,t4} 2.5 0.25 0.28 
n2 {t2} 2.5 0.00 0.28 
n3 {t2,t3} 2.75 0.33 0.12 
n4 {t1,t2} 3.0 0.21 0.04 
n5 {t1,t4} 2.5 0.21 0.28 
Case Error
Programe1e2e3e4Elite CasesMAEPlexPt
n1 {t2,t4} 2.5 0.25 0.28 
n2 {t2} 2.5 0.00 0.28 
n3 {t2,t3} 2.75 0.33 0.12 
n4 {t1,t2} 3.0 0.21 0.04 
n5 {t1,t4} 2.5 0.21 0.28 
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