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Uncounting observations

You've found the job of your dreams providing technical support for a dog breed beauty contest. The jury members want a spreadsheet with the breed and id of each participating dog so that they can add the scores later on. You've only been given the number of participants per dog breed (dog_df) so you decide to use your tidyr skills to create the desired result.

Questo esercizio fa parte del corso

Reshaping Data with tidyr

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Istruzioni dell'esercizio

  • Inspect the data in the console.
  • Uncount the data so that per breed, each dog gets a row and an ID. The ID should go in the dog_id column.

Esercizio pratico interattivo

Prova a risolvere questo esercizio completando il codice di esempio.

dog_df %>% 
  # Create one row for each participant and add the id
  ___
Modifica ed esegui il codice