Need help adding values within a specific column in my table

user_19506812 0
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I'm new to R (and programming) looking for help adding the total number of times a specific character appears within one of my columns. All in all there are 175 total rows. Here's a condensed version of my tibble:

random_code location
ABCD20 San Francisco
ABCD30 Seattle
ABCD40 New York
.... ....

I'm sure there is a way to calculate the number of times each random_code appears in the table but I'm not sure how.

Any suggestions?

tibble dataframe r
1 Answers

You can try

library(dplyr)

df |> group_by(random_code) |> mutate(times = n())
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