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How to Convert Float to Int in a Pandas DataFrame [All Method]️

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How can we cast a float to an int in a Pandas DataFrame column?

Cast with astype()

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 int type.

We can do this like so.

df['col'] = df['col'].astype(int)

Handle null values

The above approach will lead to an error if there are any missing or null values.

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 0.0.

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.
If you have any questions or get stuck, please dont hesitate to reach out to me for help.

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