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How can we cast a
float to an
int in a Pandas DataFrame column?
We can use
astype() to cast a Pandas object to a specified data type.
Suppose we have a column
col that is of type
float. We want to convert that to an
We can do this like so.
df['col'] = df['col'].astype(int)
The above approach will lead to an error if there are any missing or
ValueError: Cannot convert NA to integer
In these cases, we’ll have to fill in the missing values. Let’s default any missing values to
df['col'] = df['col'].fillna(0.0).astype(int)
Revise the code and make it more robust with proper test case and check an error there before implementing into a production environment.
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