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I have a dataset called country_num that looks like this

Country num Other 5 Other 6 Other 16 USA 30 UK 25 China 12

I tried to use group_by to combine the three "Other" rows like this

country_num %>% group_by(Country) %>% count(num)

But the three "Other" rows did not aggregate. Why is that and what can I do about it?

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    What is your expected output? Are you trying to sum the num values? country_num %>% group_by(Country) %>% summarise(num = sum(num)) Commented Jun 18, 2021 at 4:05

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Edit

This answer is basically what @Ronak Shah said in his comment above.

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Is this what you want?

library(tidyverse) country_num <- read.table( text = "Country num Other 5 Other 6 Other 16 USA 30 UK 25 China 12", header = TRUE ) country_num %>% group_by(Country) %>% summarise(num = sum(num), n = n()) # A tibble: 4 x 3 # Country num n # <chr> <int> <int> #1 China 12 1 #2 Other 27 3 #3 UK 25 1 #4 USA 30 1
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