Posts by Bruno Fernandes • 43 points

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  Q: Create R column from the number of records by 2 Ids

  I am starting in R and stackflow. I ask for your help. I have the following dataframe: library(lubridate) ID = c("000225", "000225", "000225", "000225", "000226", "000226", "000227", "000227",…

  r

  asked 4 years ago Bruno Fernandes 43