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.
This exercise is part of the course
Preprocessing for Machine Learning in Python
Exercise instructions
- 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.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# 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.____)