回答編集履歴
1
test
CHANGED
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@@ -1,4 +1,4 @@
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1
1
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```r
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2
2
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data <- data %>%
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3
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-
mutate(addr = ifelse(is.na(match), addr,
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3
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+
mutate(addr = ifelse(is.na(match), addr, trans$after[match(addr, trans$before)]))
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4
4
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```
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