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.
Diese Übung ist Teil des Kurses
Preprocessing for Machine Learning in Python
Anleitung zur Übung
- 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.
Interaktive Übung
Versuche dich an dieser Übung, indem du diesen Beispielcode vervollständigst.
# 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.____)