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A Guide to Python Libraries for Machine Learning

Best Python Libraries for Machine Learning

With so many options, the Python ecosystem can be overwhelming for beginners. This is especially true if you’re new to machine learning and artificial intelligence. There are so many different libraries and tools that it’s tough to know where to begin.

If this sounds like you, don’t worry! You aren’t alone, and you’ve come to the right place. In this blog post, we will cover some of the best Python libraries for machine learning that you can use in your projects today.

This guide will walk you through the world of Python machine learning libraries and explain how they can be used to speed up your own ML projects.

Our Top 5 Picks

Tensorflow Logo
TensorFlow
Best for its mature library for production-ready deployment
Pytorch Mini logo
PyTorch
Best for its young ML framework that is python-friendly
Scikit-Learn
Best for statistical modeling and data mining
Keras Mini Logo
Keras
Best for being a simple, flexible, and powerful ML framework
mlpy logo
Mlpy
Best for general-purpose machine learning tasks

Why use Python libraries for machine learning?

Python libraries for machine learning are extremely useful because they allow us to easily and quickly implement complex ML algorithms with little code. This means that we can spend less time implementing algorithms and more time focusing on other aspects of our project.

There are a number of reasons to use Python libraries for machine learning.

  • Popularity – First, Python is a widely used programming language with a large and active community of developers. This means that there is a wealth of libraries and tools available for Python developers, including many machine learning libraries.
  • Easy to Learn – Second, Python is a relatively easy language to learn and use, which makes it a good choice for prototyping and experimentation. This is important in machine learning, where new algorithms and approaches are constantly being developed and tested.
  • Versatility – Third, Python has several features that make it well-suited for machine learning tasks. These include powerful data structures, support for object-oriented programming, and a large standard library.
  • Open Source – Finally, Python is free and open source, which makes it a good choice for projects where cost is a consideration.

There are several Python libraries for machine learning. Each library has its own strengths and weaknesses, so it’s important to choose the right one for your specific needs.

Here are the top best Python libraries for machine learning in use today.

1. TensorFlow

Tensorflow Logo

TensorFlow is the most popular Python library for machine learning today. Researchers also widely use it in other fields such as natural language processing, image recognition, and time series prediction. TensorFlow is a Python library that uses mathematical formulas called tensors to perform computation.

Google developed it in 2015. But now, a wide range of organizations use it to create machine learning models. Since then, Google has committed a lot of resources to developing TensorFlow and making it easy to use. You can find a lot of helpful tutorials, documentation, and sample code for TensorFlow online.

TensorFlow is a good choice if you want a fully featured library for solving a wide range of problems. It’s also useful if you want to collaborate with people who are using it or want to perform data automation, model tracking, and performance monitoring.

2. PyTorch

The second Python library that we’ll look at is PyTorch. In 2016, Facebook (Meta) created PyTorch as an alternative to other tools like TensorFlow. It has since become a very popular choice for researchers and engineers wanting to use Python to create machine learning models.

PyTorch is a powerful, flexible deep learning platform that provides maximum flexibility and speed. PyTorch enables you to write deep learning algorithms with great versatility and without the need for any external code. It also integrates seamlessly with the Python programming language.

  • Tensors – PyTorch uses a mathematical approach called tensors. This is similar to a NumPy array but you can run it on the GPU or CPU.
  • Modules – PyTorch provides modules as building blocks of stateful computation, including a robust library of modules.
  • Active Community – PyTorch has an excellent community, and there are plenty of helpful tutorials on the web to get started. A number of projects are built on top of PyTorch such as Tesla’s Autopilot and Uber’s Pyro.

PyTorch is sometimes better suited for research purposes than production code. It’s also not good for building APIs, although there are ways to mitigate this.

3. Scikit-Learn

Scikit-Learn is one of the biggest and most popular Python libraries for machine learning. It has been around since 2006 and thousands of research projects have used it. Scikit-Learn is a machine learning library that focuses on algorithms that are useful for data mining and statistical modeling.

It’s a powerful Python library for machine learning with many data pre-processing and transformation functions that you can use to make your data ready for modeling. In addition, it is designed to interoperate with the SciPy stack and the Python numerical and scientific libraries NumPy and SciPy.

SciPy features various classification, regression, and clustering algorithms including support vector machines, random forests, gradient boosting, k-means, and DBSCAN. But it also offers a range of supervised and unsupervised learning algorithms.

4. Keras

Keras Logo

Keras is a high-level neural networks API, written in Python and capable of running on top of TensorFlow, CNTK, or Theano. Google developed it with a focus on enabling fast experimentation.

Keras is an open source software library that allows users to build and train deep learning models faster and with less code than other popular libraries like Google’s TensorFlow. Use Keras if you need a deep learning library that:

  • Allows for easy and fast prototyping (through user friendliness, modularity, and extensibility).
  • Supports both convolution-based networks and recurrent networks, as well as combinations of the two.
  • Runs seamlessly on CPU and GPU.

5. Mlpy

mlpy logo

Mlpy is a Python library that’s aimed at researchers and engineers who want to use Python to solve machine learning problems. It provides a simple interface to common machine learning algorithms that you can use to create custom models.

Mlpy may not be the best library for beginners because it doesn’t provide simple ways to transform your data. It’s also not very well documented, which means you may have to read the source code to understand how everything works.

  • Regression – Support vector machines, ridge regression, least angle regression (LARS), elastic net, etc.
  • Classification – Classification tree, k-nearest neighbor, maximum likelihood classifier, logistic regression, etc.
  • Clustering – Hierarchical clustering, memory-saving hierarchical clustering, k-means, etc.
  • Dimension Reduction – Principal component analysis (PCA), linear discriminant analysis (LDA), spectral regression discriminant analysis (SRDA), etc.

Best Python Libraries for Machine Learning

Now that you know the top five Python libraries for machine learning, let’s do a quick recap on when to use each of them.

  • PyTorch is a great tool for creating custom deep learning models and implementing new ML algorithms. It’s flexible, easy to use, and has an active community. It’s also very fast because it’s based on GPUs.
  • Scikit-Learn is a good choice if you need an easy-to-use, flexible library that can be integrated into existing ML pipelines.
  • Keras is great for building deep learning models for production applications. It’s also good for building chat bots, APIs, and other real-time applications. It’s easy to use and has a ton of useful features.
  • TensorFlow is great for building deep learning models in production applications. It’s also great for data visualization and collaboration. It comes with a lot of tools and integrations, making it perfect for software engineering.

The world of AI is changing rapidly, with exciting new developments and implementations coming out on a regular basis. The use cases and applications of AI are plentiful and it has become an increasingly important part of computer science as researchers continue to push the boundaries of what it can do.

If you want to get started with machine learning, it’s often best to start with a simple project that you feel comfortable with before moving on to bigger challenges. We recommend the Udacity TensorFlow Nanodegree and the PyTorch Nanodegree as these programs are filled with projects.

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