Answers for "sum column data based on another column R"

r sum based on two columns

aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
  Category  x
1    First 30
2   Second  5
3    Third 34

Posted by: Guest on March-25-2020

how to summarise data but keep columns R

data %>%
  group_by(b) %>%
  mutate(min_values = min(c)) %>%
  ungroup()

Posted by: Guest on November-20-2020

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