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21 lines
739 B
R
21 lines
739 B
R
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preprocessDataset = function()
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{
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csv.file.w = "winequality-white.csv"
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csv.file.r = "winequality-red.csv"
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dataset.w = read.csv(paste0(orig.dir, "/", csv.file.w), sep=";",
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check.names=FALSE)
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dataset.w = dataset.w %>% mutate(color="white")
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dataset.r = read.csv(paste0(orig.dir, "/", csv.file.r), sep=";",
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check.names=FALSE)
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dataset.r = dataset.r %>% mutate(color="red")
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dataset = rbind(dataset.w, dataset.r) %>%
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mutate(color=factor(color),
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quality=ifelse(quality>5, 1, 0)) %>%
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select(`fixed acidity`:alcohol, color, quality) %>%
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mutate(quality=factor(quality))
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return(dataset)
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}
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