6 Matching Annotations
  1. Jan 2021
    1. NULL

      NA

    2. ArrDelay

      this should be arr_delay

    3. not_cancelled %>% group_by(tailnum) %>% tally()

      To match the first expression, this should be group_by(dest)

    4. being arriving

      Should be just "arriving"

  2. Dec 2020
    1. However, vars is not a column in flights, as is the case, then select will use the value the value of the , and select those columns.

      Several problems in this sentence. I think this is missing "if" before "vars"; "the value" is duplicated; "of the ," should probably be something like "of the variable vars".

    2. th

      Should be "the"