![How do I get the sum of numbers for each column in a csv file separately. Then select the top 3 column and place them in a new list in order? - How do I get the sum of numbers for each column in a csv file separately. Then select the top 3 column and place them in a new list in order? -](https://community.appinventor.mit.edu/uploads/default/original/3X/0/2/02d7c3432a045b3069768add7f8bb3adbb363e62.png)
How do I get the sum of numbers for each column in a csv file separately. Then select the top 3 column and place them in a new list in order? -
Jens von Bergmann on Twitter: "Lastly, "I only care about condos, no matter how old": ggplot(d %>% filter(grepl(", Condominium apartment, Total",label),Number>100) %>% top_n(20,Percentage), aes(x=reorder(label,Percentage),y=Percentage)) + ...
![Hadley Wickham on Twitter: "@dgkeyes top_n() is being replaced by slice_max()/slice_min() in the next version of dplyr because it's so confusing" / Twitter Hadley Wickham on Twitter: "@dgkeyes top_n() is being replaced by slice_max()/slice_min() in the next version of dplyr because it's so confusing" / Twitter](https://pbs.twimg.com/media/ESISz4NVAAA7IVo.jpg)