Derived from the pandas-vet linter.
What it does#
Checks for uses of
.at on Pandas objects.
Why is this bad?#
.at method selects a single value from a DataFrame or Series based on
a label index, and is slightly faster than using
more idiomatic and versatile, as it can be used to select multiple values at
If performance is an important consideration, convert the object to a NumPy
array, which will provide a much greater performance boost than using