Abalone summary

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abalone <- read.csv("Abalone.csv") weights <- subset(abalone, select = c("gender", colnames(abalone)[grep("weight", colnames(abalone))]) ) weights <- within(weights, { sum_weight <- shell_weight + gut_weight + meat_weight Ploss <- (total_weight - sum_weight) / total_weight }) weights_clean <- subset(weights, subset = Ploss > 0)
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