Keras - Guidelines on installation

In the previous article about Keras, we have discovered the introduction and some benefits of Keras. Now, let’s talk more about Keras installation. We will try to help you install it on Windows, Linux and macOS.

You will need to install Python version 3.5 or higher on your machine before setting up Keras, because Keras is a neural network library based on Python. Go to python.org to download the latest version for your OS, and install it.

If you have already installed Python, then open your terminal and type python, you could see the response similar as specified below:

Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 17:00:18)

[MSC v.1900 64 bit (AMD64)] on win32

Type "help", "copyright", "credits" or "license" for more information.

>>>

Now we move to the installation of some basic requirements like virtual environment and python libraries. You should follow the steps below:

We will need to create a virtual environment – Virtualenv – to manage python packages for different projects while developing applications. This will help to avoid breaking the packages in the other environments.

There will be 2 commands for Linux/macOS and for Windows.

If you are a Linux or mac OS user, go to your project root directory and type the below command to create virtual environment,

python3 -m venv kerasenv

After executing the above command, “kerasenv” directory is created with bin,lib and include folders in your installation location.

If you are a Windows user, use the below command:

py -m venv keras

In this step, we will configure python and pip executables in your shell path. We also have 2 cases for different OS.

If you are a Linux/ macOS user, move to the folder and type below command (as we have created a virtual environment name “kerasvenv” in the step 1):

$ cd kerasvenv kerasvenv $ source bin/activate

If you are a Windows user, move inside the “kerasenv” folder and type the below command,

.\env\Scripts\activate

If you have installed these below libraries, you can skip this step. If you haven’t, please install one by one using commands we provide:

numpy

pip install numpy

pandas

pip install pandas

matplotlib

pip install matplotlib

scipy

pip install scipy

scikit-learn

pip install -U scikit-learn

Scikit-learn is an open source machine learning library and have some requirements:

• • • • Python version 3.5 or higher
      • NumPy version 1.11.0 or higher
      • SciPy version 0.17.0 or higher
      • joblib 0.11 or higher.

So make sure you have all of them

Seaborn

pip install seaborn

Seaborn is a library used to visualize your data.

We have completed all the basic requirements. Now, let’s install Keras using the below command:

pip install keras

You can run this command to quit the environment if you have finished all your changes in your project.

deactivate

You can also install Keras using Conda. First, just come to www.anaconda.com/distribution and download the version of anaconda based on your OS.

You should launch anaconda prompt, then type the below command in your conda terminal:

conda create --name PythonCPU

This is the CPU instructions. You can also create and install modules using GPU if you want.

To activate the environment, use the below command:

activate PythonCPU

Spyder is an IDE for executing python applications. You can install this IDE in the conda environment using the below command:

conda install spyder

Above we have introduced and instructed you to python libraries needed for keras like numpy, pandas, matplotlib, etc. You can install them using conda, just follow the syntax:

conda install -c anaconda <module-name>

For example, you want to install pandas

conda install -c anaconda pandas

Now, you can start keras installation using the below command:

conda install -c anaconda keras

Finally, you can launch spyder in your conda terminal using the below command

spyder

To ensure everything was installed correctly, import all the modules, it will add everything and if anything went wrong, you will get module not found error message.

We hope that we have delivered some ways to install Keras to you, like using python, using conda. You can follow it on your own computer, or on our remote machine.

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Source: tutorialspoint.com