r - Separate column into three columns with grouping -


this question has answer here:

i have column full names should separated 3 columns spaces. problem full names contains more 3 words, , 4-th , other words shouldn't omitted, added third part.
instance, "abdullaeva mehseti nuraddin kyzy" should separated as:

| abdullaeva | mehseti | nuraddin kyzy |

i tried split column (tidyr) package follow, in way 3d part contains 1 word after second space.

df<-df %>%     separate('full_name', c("1st_part","2d_part","3d_part"), sep=" ")

any appreciated.

use extra argument:

# dummy data df1 <- data.frame(x = c(   "some name1",   "justonename",   "some 3 name",   "abdullaeva mehseti nuraddin kyzy"))  library(tidyr) library(dplyr)  df1 %>%    separate(x, c("a1", "a2", "a3"), = "merge") #            a1      a2            a3 # 1          name1          <na> # 2 justonename    <na>          <na> # 3          3          name # 4  abdullaeva mehseti nuraddin kyzy # warning message: #   few values @ 2 locations: 1, 2

from manual:

extra

if sep character vector, controls happens when there many pieces. there 3 valid options:
- "warn" (the default): emit warning , drop values.
- "drop": drop values without warning.
- "merge": splits @ length(into) times


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