How to Install Python Scikit-learn on Different Operating Systems?

Scikit-learn, also known as Sklearn, is the most useful and robust open-source Python library that implements machine learning and statistical modeling algorithms including classification, regression, clustering, and dimensionality reduction using a unified interface. Scikit-learn library is written in Python and is built upon other Python packages such as NumPy (Numerical Python), and SciPy (Scientific Python).

Installing Scikit-learn on Windows using pip

To install Scikit-learn on Windows, follow the steps given below −

Step1-Make Sure Python and pip is preinstalled

Open the command prompt on your system and type the following commands to check whether Python and pip is installed or not.

To check Python

Python --version

If you have python on your system, it will display the version of python installed. If not, you can manually install python from https://www.python.org..

To check pip

pip --version

If pip is successfully installed on your system, it will display its version.

Step2-Install Scikit-learn Library

Scikit-learn can be installed using pip. You can run the following command in command prompt to install scikit-learn −

pip install scikit-learn

The above command will start downloading and installing packages related to the Scikit-learn Python library. Once done, it will display the message of successful installation.

Installing Scikit-learn on Windows using conda

Anaconda, a python distribution platform, offers scikit-learn as part of its free distribution.

You can update the scikit-learn package with the help of below given steps −

Step1-Make Sure Python and conda is preinstalled

Open the Anaconda command prompt on your system and type the following commands to check whether Python and conda is installed or not.

To check Python

Python --version

If you have python on your system, it will display the version of python installed.

To check conda

conda --version

If conda is successfully installed on your system, it will display its version. It is always recommended to update conda to its latest version by using the following command −

conda update conda

Step2-Update Scikit-learn Library

As discussed, scikit-learn is preinstalled in Anaconda Python environment. Use the following command to check the installed version of the scikit-learn library −

conda list scikit-learn

It will display the version of scikit-learn installed on your system in Anaconda distribution.

Now to update it to the latest version, type the following command at the terminal −

conda update scikit-learn

Alternatively, you can update scikit-learn library to a specific version by typing −

conda install -c anaconda scikit-learn=1.0.2

The above command will start downloading and installing packages related to the Scikit-learn Python library. Once done, it will display the message of successful installation.

Installing Scikit-learn on macOS

To install Scikit-learn on macOS, follow the steps given below −

Step1-Install Python 3 using homebrew package manager

Before installing scikit-learn on your macOS, you need Python 3 preinstalled. Use homebrew package manager to install Python3.

brew install python

Alternatively, you can manually install python from https://www.python.org.

Step2-Install Scikit-learn Library

Scikit-learn can be installed using pip. You can run the following command to install the latest release of scikit-learn −

pip install -U scikit-learn

The above command will start downloading and installing packages related to the Scikit-learn Python library. Once done, it will display the message of successful installation.

Use the below command to check your installation −

python -m pip show scikit-learn

Installing Scikit-learn on macOS in virtual environment

To install Scikit-learn on macOS in virtual environment, follow the steps given below −

Step1-Install Python 3 using homebrew package manager

Before installing scikit-learn on your macOS, you need Python 3 preinstalled. Use homebrew package manager to install Python3.

brew install python

Alternatively, you can manually install python from https://www.python.org.

Step2-Creating pip virtual environment

Once python is installed on your system, you need to create a virtual environment by typing −

python -m venv sklearn-venv

The above command will create a virtual environment named Sklearn-venv. To activate this virtual environment, type −

source Sklearn-venv/bin/activate

Step3-Install Scikit-learn Library

You can now use pip to install the latest release of scikit-learn in above created virtual environment.

pip install -U scikit-learn

To check your installation, type −

python -m pip show scikit-learn

To avoid conflicts with other installed packages, it is always recommended to use a virtual environment.

Installing Scikit-learn on Linux

To install Scikit-learn on Linux distribution, follow the steps given below −

Step1-Make Sure Python3 and pip3 is preinstalled

Open the command prompt on your system and type the following commands to check whether Python3 and pip3 is installed or not.

To check Python

Python3 --version

If you have python on your system, it will display the version of python installed.

If not, run below command to install Python3 −

sudo apt-get install python3.6

The above command will install Python 3.6 on Ubuntu 16.10 or newer.

To check pip

To see if pip3 is installed, open a command prompt, run the below command −

command -v pip3

If pip is successfully installed on your system, it will display its version.

Step2-Install Scikit-learn Library

Type and run the command given below to install the latest release of scikit-learn on your Linux distribution −

Pip3 install -U scikit-learn

You can use the below command to check scikit-learn installation −

Python3 -m pip show scikit-learn

Installing Scikit-learn on Linux in virtual environment

To install Scikit-learn on Linux in virtual environment, follow the steps given below:

Step1-Make Sure Python3 and pip3 is preinstalled

Open the command prompt on your system and type the following commands to check whether Python3 and pip3 is installed or not.

To check Python

Python3 --version

If you have python on your system, it will display the version of python installed.

If not, run below command to install Python3 −

sudo apt-get install python3.6

The above command will install Python 3.6 on Ubuntu 16.10 or newer.

To check pip

To see if pip3 is installed, open a command prompt, run the below command −

command -v pip3

If pip is successfully installed on your system, it will display its version.

Step2-Creating pip virtual environment

Create a virtual environment by typing −

python3 -m venv sklearn-venv

The above command will create a virtual environment named Sklearn-venv. To activate this virtual environment, type −

source sklearn-venv/bin/activate

Step3-Install Scikit-learn Library

You can now use pip to install the latest release of scikit-learn in above created virtual environment.

Pip3 install -U scikit-learn

To check your installation, run the below command −

python3 -m pip show scikit-learn

To avoid conflicts with other installed packages, it is always recommended to use a virtual environment.