scikit-learn can be easily downloaded and installed using pip, the standard package installer for Python.
pip is included by default with Python 2 starting with version 2.7.9, and with Python 3 starting with version 3.4. This installation procedure will work on Windows, macOS, and Linux.
To install or upgrade scikit-learn, simply run the following command in your terminal:
pip install -U scikit-learn
To confirm that scikit-learn was successfully installed, you can import it in a Python script or interactive shell and print out the version number:
import sklearn
print(sklearn.__version__)
Running the example gives an output like:
1.5.0
The first code block shows the
pip
command to install or upgrade scikit-learn to the latest version. The-U
flag specifies to upgrade the package to the newest available version.The second code block imports the installed
sklearn
library and prints its version number usingsklearn.__version__
.This is a quick way to verify that scikit-learn was properly installed and is available for use in your Python environment.