How to determine whether a column/variable is numeric or not in Pandas/NumPy?

Question

Is there a better way to determine whether a variable in Pandas and/or NumPy is numeric or not ?

I have a self defined

Answer 1

Pandas has select_dtype function. You can easily filter your columns on int64, and float64 like this:

df.select_dtypes(include=['int64','float64'])