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.
Deze oefening maakt deel uit van de cursus
Preprocessing for Machine Learning in Python
Oefeninstructies
- 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.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# 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.____)