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.
Este ejercicio forma parte del curso
Data Manipulation in Julia
Instrucciones del ejercicio
- Create a
penguin_species
GroupedDataFrame by groupingpenguins
byspecies
column. - Get the number of rows per
penguin_species
, naming the resulting column aspenguins_observed
, and sorting the results in descending order ofpenguins_observed
.
Ejercicio interactivo práctico
Prueba este ejercicio y completa el código de muestra.
# Create penguin_species
____ = ____(____)
# Count the observations per group and rename the column, then sort
____(____(penguin_species, ____), ____, ____)