Converting a column type
If you take a look at the volunteer dataset types, you'll see that the column hits is type object. But, if you actually look at the column, you'll see that it consists of integers. Let's convert that column to type int.
Questo esercizio fa parte del corso
Preprocessing for Machine Learning in Python
Istruzioni dell'esercizio
- Take a look at the
.head()of thehitscolumn. - Convert the
hitscolumn to typeint. - Take a look at the
.dtypesof the dataset again, and notice that the column type has changed.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
# Print the head of the hits column
print(volunteer["hits"].____)
# Convert the hits column to type int
volunteer["hits"] = ____
# Look at the dtypes of the dataset
print(volunteer.____)