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shimgo
3/24/2018 - 5:00 PM
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重複行削除
distinct
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a列をキーに重複した値を持つ行を除外
dat %>% dplyr::distinct(a)
b列とc列をキーに重複した値の組を持つ行を除外
dat %>% dplyr::distinct(b, c)
clear