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library(ISLR)
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auto <- Auto
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summary(auto)
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str(auto)
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sapply(auto, function(x) sum(is.na(x)))
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autoLess <- auto[-c(10, 85), ]
autoLess
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pairs(auto)
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library(MASS)
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str(Boston)
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pairs(Boston)
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plot(Boston$crim)
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plot(Boston$tax)
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summary(Boston)
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Boston[which.min(Boston$medv),]
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sum(Boston$rm > 8)
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Boston[Boston$rm > 8,]