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Penguin group counts

Looking at the penguins dataset, your colleague gets curious about how many observations of the different species there are. With your knowledge of groupby(), can you help them?

The penguins dataset and the DataFrames package have been loaded for you.

Latihan ini adalah bagian dari kursus

Data Manipulation in Julia

Lihat Kursus

Petunjuk latihan

  • Create a penguin_species GroupedDataFrame by grouping penguins by species column.
  • Get the number of rows per penguin_species, naming the resulting column as penguins_observed, and sorting the results in descending order of penguins_observed.

Latihan interaktif praktis

Cobalah latihan ini dengan menyelesaikan kode contoh berikut.

# Create penguin_species
____ = ____(____)

# Count the observations per group and rename the column, then sort
____(____(penguin_species, ____), ____, ____)
Edit dan Jalankan Kode