Extension pandas dtype and array for physical units
Warning: Not fully compatible with pandas yet, especially not so for 1.0. Some operations may or may not work, while common ones should.
History
Originally created for PyCon CZ 2019 (and later BI Fórum Budapest / PyData Cambridge the same year).
Installation
pip install -e . # Will be in PyPI maybeExamples
import pandas as pd
import pandas_units_extension as _
temps = pd.DataFrame({
"city": ["Prague", "Kathmandu", "Catania", "Boston"],
"temperature": pd.Series([20, 22, 31, 16], dtype="unit[deg_C]")
})
temps["temperature"].units.to("deg_F")
...
df = pd.DataFrame({
"distance": pd.Series([10, 12, 22, 18], dtype="unit[km]"),
"time": pd.Series([50, 60, 120, 108], dtype="unit[min]")
})
speed = df["distance"] / df["time"]
speed.units.to_si()See doc/units.ipynb for more.
Links
- https://www.astropy.org/
- https://pint.readthedocs.io/en/0.10.1/pint-pandas.html - Another library supporting units inside pandas.
