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rtidyr

removing rows with specific values

I would like to remove rows that have specific values in a given column

id     x_col
1       c4_2342
1       c4_2122 
2       c3_1212
2       c39990

I want to remove everything that has "c4"

id     x_col
2       c3_1212
2       c39990

Can someone please help?

Solution

  • Variation on @akrun:

    library(dplyr)
library(stringr)

df1 %>%
   filter(!str_detect(x_col, "c4"))