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AutoVIML

  • May 08, 2023
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Meet the Author : Mr. Bharani Kumar

Bharani Kumar Depuru is a well known IT personality from Hyderabad. He is the Founder and Director of Innodatatics Pvt Ltd and 360DigiTMG. Bharani Kumar is an IIT and ISB alumni with more than 18+ years of experience, he held prominent positions in the IT elites like HSBC, ITC Infotech, Infosys, and Deloitte. He is a prevalent IT consultant specializing in Industrial Revolution 4.0 implementation, Data Analytics practice setup, Artificial Intelligence, Big Data Analytics, Industrial IoT, Business Intelligence and Business Management. Bharani Kumar is also the chief trainer at 360DigiTMG with more than Ten years of experience and has been making the IT transition journey easy for his students. 360DigiTMG is at the forefront of delivering quality education, thereby bridging the gap between academia and industry.

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Introduction:

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In the era of big data, machine learning has become a vital tool for businesses and organizations to extract insights from their data. However, building machine learning models can be challenging, requiring a deep understanding of mathematics, statistics, and programming.

Automated machine learning (AutoML) tools aim to democratize machine learning by making it easier for users with little to no expertise in data science or programming to build and deploy machine learning models. AutoViML is one such tool that has gained significant popularity in recent years.

In this blog post, we will provide an in-depth review of AutoViML, discussing its features, capabilities, and limitations. We will also provide a step-by-step guide on how to use AutoViML to build a machine learning model, along with some practical tips and best practices.

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A brief history of AutoML

Year Milestone
2000 Genetic Programming-based AutoML (GPML) was introduced as an optimization technique to automatically evolve machine learning models.
2004 The first version of the Auto-WEKA framework was released, which automated the selection of algorithms, hyperparameter tuning, and feature selection.
2007 The first version of the Google Prediction API was released, which allowed users to train and deploy machine learning models without needing to write any code.
2015 H2O.ai released its open-source AutoML platform, H2O.ai, which automates the machine learning pipeline from data preparation to model deployment.
2017 Google released AutoML, an AutoML platform that uses neural architecture search to automatically find the best deep learning architecture for a given task.
2018 Microsoft released Azure Automated Machine Learning, an AutoML platform that allows users to build and deploy machine learning models without needing to write any code.
2019 Kaggle launched its AutoML competition, which challenged participants to develop AutoML algorithms that could automatically build and optimize machine learning models.
2020 The AutoML Benchmark was released, which compared the performance of different AutoML platforms on a standardized set of tasks.
2021 OpenAI released GPT-3.5, a large language model that includes AutoML capabilities, allowing users to generate machine learning models with minimal manual input.

What is AutoViML?

AutoViML is an open-source Python library that automates the process of building and deploying machine learning models. It is designed to be easy to use and accessible to non-experts, requiring minimal coding and technical expertise.

AutoViML is built on top of popular machine learning libraries such as Scikit-Learn, Pandas, and XGBoost, and provides a high-level interface for users to specify the input data, target variable, and model type.

AutoViML automates various steps involved in the machine learning process, including data preparation, feature engineering, model selection, and hyperparameter tuning. It uses a combination of heuristic algorithms and expert knowledge to automatically select the best algorithm and hyperparameters for the given dataset. AutoViML also provides features such as automatic handling of missing values and categorical data, as well as automatic feature selection and scaling.

AutoViML supports a wide range of machine learning tasks, including binary classification, multi-class classification, and regression. It also supports a variety of performance metrics such as accuracy, precision, recall, F1 score, and mean squared error, among others.

Why AutoML is needed?

AutoML, or Automated Machine Learning, refers to the use of machine learning algorithms to automate the process of building and optimizing machine learning models. The need for AutoML arises from the increasing demand for machine learning models in various domains, coupled with the shortage of data scientists and machine learning experts who can develop these models.

Some of the reasons why AutoML is becoming increasingly important are:

We will start by importing the necessary libraries. We will use Light AutoML, pandas, and sci-kit-learn.

Step 2: Load the data

1.Time and cost-efficiency: Developing machine learning models manually can be a time-consuming and expensive process. AutoML can help streamline the process and reduce costs by automating repetitive tasks such as data preprocessing, feature selection, and hyperparameter tuning.

2.Accessible to non-experts: Not everyone has the technical expertise required to build and optimize machine learning models. AutoML can make machine learning more accessible to non-experts by automating many of the complex tasks involved in model development.

3.Scalability: AutoML can be used to develop and optimize models for large datasets, which can be difficult to manage manually.

4.Improving model accuracy: AutoML can explore a larger search space of potential models, resulting in improved model accuracy compared to traditional manual methods.

Overall, the need for AutoML is driven by the desire to democratize machine learning and make it accessible to a wider audience, while also improving the efficiency and accuracy of model development.

Features of AutoViML

AutoViML provides a wide range of features and capabilities, making it a powerful and versatile tool for building and deploying machine learning models. Some of its key features include:

1.Automated data cleaning and preparation: AutoViML automatically handles various data cleaning and preparation tasks such as handling missing values, removing outliers, and encoding categorical variables. This saves time and effort for users who may not have the technical expertise to perform these tasks manually.

2.Automatic feature engineering: AutoViML uses various heuristic algorithms to automatically generate new features from the input data. This can help improve model accuracy and reduce overfitting.

3.Automated hyperparameter tuning: AutoViML automatically tunes the hyperparameters of the selected algorithm to optimize model performance. This can save time and effort for users who may not have the technical expertise to tune hyperparameters manually.

4.Multiple algorithm support: AutoViML supports a wide range of machine learning algorithms, including decision trees, random forests, gradient boosting, and deep learning. This allows users to choose the algorithm that best suits their needs and data.

5.Model interpretability: AutoViML provides various tools for interpreting and visualizing the machine learning model, including feature importance plots, confusion matrices, and ROC curves. This can help users understand how the model is making predictions and identify areas for improvement.

6.Deployment-ready models: AutoViML generates production-ready machine learning models in a few lines of code. This can help users quickly deploy their models in real-world applications.

Limitations of AutoViML

Despite its many features and capabilities, AutoViML also has some limitations that users should be

1.Limited customization: AutoViML is designed to be easy to use and accessible to non-experts, but this comes at the cost of limited customization options. Users who require more fine-grained control over the machine learning process may find AutoViML too restrictive.

2.Limited scalability: AutoViML may not be suitable for large datasets or complex machine learning tasks, as it relies on heuristic algorithms that may not scale well.

3.Limited interpretability: While AutoViML provides some tools for interpreting and visualizing the machine learning model, it may not provide the same level of interpretability as more traditional machine learning approaches.

4.Limited documentation: AutoViML is a relatively new tool, and its documentation is not as comprehensive as other machine learning libraries. This may make it more difficult for users to understand how to use the tool and troubleshoot issues.

5.Limited support: AutoViML is an open-source tool, and support may be limited compared to commercial machine learning platforms.

Comparison between AutoML libraries codes VS non-AutoML libraries code:

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AutoML libraries and non-AutoML libraries serve different purposes, so it's not appropriate to compare them directly. However, I can give you some information on the differences and benefits of using AutoML libraries versus non-AutoML libraries.

AutoML libraries, such as AutoKeras, H2O.ai, and TPOT, are designed to automate the process of building and selecting machine learning models. They use techniques such as neural architecture search, hyperparameter optimization, and feature engineering to automatically build models that perform well on a given task. The main benefit of AutoML libraries is that they can save time and effort by automating the tedious and time-consuming tasks involved in building and selecting a machine learning model. AutoML libraries are particularly useful for beginners who don't have much experience with machine learning, or for experienced data scientists who want to speed up their workflow.

On the other hand, non-AutoML libraries, such as scikit-learn, TensorFlow, and PyTorch, provide a wide range of tools for building machine learning models from scratch. They offer a lot of flexibility and control over the machine learning process, allowing users to customize their models to their specific needs. Non-AutoML libraries are more suitable for experienced data scientists who have a good understanding of machine learning concepts and want to build models that are tailored to their specific use case.

In terms of code comparison, AutoML libraries typically require less code to build and select a model compared to non-AutoML libraries. For example, with AutoKeras, you can build and train a neural network model with just a few lines of code, whereas with TensorFlow, you would need to write more code to define the architecture of the neural network and tune the hyperparameters. However, AutoML libraries can be less flexible than non-AutoML libraries, as they automate many of the decisions involved in building a model, which may not always lead to the best-performing model for a particular use case.

AutoML libraries and non-AutoML libraries serve different purposes and have their own benefits and drawbacks. The choice of library depends on the user's level of experience with machine learning, their specific use case, and their preference for flexibility versus automation.

AutovI ML VS other Libraries:

Library Open Source Target Audience Algorithm Selection Hyperparameter Optimization Interpretability
AutoVI ML Yes Researchers, Data Scientists Yes, with support for Bayesian optimization and ensemble methods Yes, with support for Bayesian optimization and random search Yes, with support for SHAP values and feature importance
TPOT Yes Data Scientists Yes, using genetic programming Yes, using various optimization algorithms Limited, with some support for feature importance
H2O.ai Yes Data Scientists, Business Analysts Yes, using a combination of rule-based and gradient-based approaches Yes, with support for Bayesian optimization and random search Yes, with support for partial dependence plots and feature importance
Google AutoML No Business Analysts, ML Engineers Yes, using neural architecture search Yes, with support for Bayesian optimization and random search Limited, with some support for model explanations
MLBox Yes Data Scientists Yes, using various techniques such as grid search, random search, and evolutionary search Yes, with support for Bayesian optimization and random search Limited, with some support for feature importance

Conclusion:

AutoViML is a powerful and easy-to-use tool for building and deploying machine learning models. It automates many of the steps involved in the machine learning process, including data preparation, feature engineering, model selection, and hyperparameter tuning.

While it has some limitations, such as limited customization and scalability, it is a valuable tool for non-experts who want to build machine learning models quickly and easily. With its wide range of features and capabilities, AutoViML is a tool that is worth exploring for anyone interested in machine learning.

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