Tapply(conformity ~ partner.status + fcategory, mean, data=Moore)
Tapply(conformity ~ partner.status + fcategory, mean, data=Moore,
trim=0.2)
Moore[1, 2] <- NA
Tapply(conformity ~ partner.status + fcategory, mean, data=Moore)
Tapply(conformity ~ partner.status + fcategory, mean, data=Moore,
na.rm=TRUE)
Tapply(conformity ~ partner.status + fcategory, mean, data=Moore,
na.action=na.omit) # equivalent
remove("Moore")
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