What is Machine Learning? Key Points to Know

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Written By Aditya Sharma

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Machine learning automates the building of analytical models by using data analysis. This branch of artificial intelligence is based on the belief that machines can learn from data and identify patterns, making decisions without any human intervention.

Machine Learning is a process that allows computers to perform different tasks more efficiently than human beings.

Machine Learning algorithms were designed in a way to automate self-driving vehicles, translate speech, and perform many other tasks.

The field of Artificial Intelligence is experiencing a boom in ML technology.

What is Machine Learning?

It is an artificial intelligence type that allows software applications without having to be programmed to predict outcomes accurately.

It is simply the teaching of computer systems how to input data and make accurate predictions.

It's algorithms make use of historical data and input data to predict future output values.

What are the Different Types Of Machine Learning?

There are four main approaches to machine learning: supervised, unsupervised, reinforcement, and semi-supervised.

Supervised Machine Learning

This type of machine learning is where data scientists label their training data and tell algorithms which variables they want to find correlations between them.

Both the input and output of an algorithm are specified.

Unsupervised Machine Learning

This type of ML uses algorithms that train on unlabelled data.

The algorithm searches for meaningful connections between data sets. Predetermined data is used to train algorithms.

Semi-Supervised Machine Learning

This machine-learning approach combines both of the previous types.

Data scientists may only provide training data for an algorithm. However, the model can explore the data by itself and gain an understanding of it.

Reinforcement Machine Learning

Data scientists use reinforcement learning to teach machines how to complete multi-step processes with clearly defined rules.

Data scientists create algorithms to accomplish a task. They also provide positive and negative cues to help it decide how to do it.

The algorithm, however, decides for most of the time what steps to follow.

Who Uses Machine Learning?

ML can now be used in many different applications. One of the most prominent examples of machine learning in action is probably Facebook's recommendation engine.

Facebook uses ML to personalize the way each member's feeds are delivered. The recommendation engine will show more activity from a group if a member pauses often to read it.

The engine works behind the scenes to reinforce patterns in members' online behavior. The news feed will be modified if the member's reading habits change or he/she fails to view posts from the group within the next weeks.

How do You Choose the Best ML-Model?

If you don't approach the problem strategically, selecting the right machine-learning model can take a lot of time.

Step 1: Align the problem and potential data inputs to consider a solution.

Step 2: Collect data, format it, and label it according to your needs. This step is usually led by data scientists, who are assisted by data wranglers.

Step 3: Choose the algorithm(s), and then test their performance. This step is supervised by data scientists.

Step 4:  Fine-tune outputs until they are precise enough. This step is usually performed by data scientists who have access to experts with deep knowledge of the problem.

Machine Learning Future Look Like?

Although ML algorithms have been around for decades, they are now more popular than ever as artificial intelligence grows in popularity. Deep learning models are the core of many modern AI applications.

Major vendors such as Amazon, Google, and Microsoft are racing to sign customers for platform services that cover a wide range of ML activities. These include data collection, data classification, model building, and training, as well as application deployment.


Machine Learning is a subset of Artificial Intelligence that involves the development of algorithms and statistical models that enable computers to learn from data, without being explicitly programmed. It enables the computer to automatically improve its performance based on the data it receives, making it a powerful tool for a wide range of applications.

Supervised Learning is the most common and well-known type of Machine Learning. It involves using labeled data to train a model to make predictions on new, unseen data.

Unsupervised Learning is used when the data is unlabeled and the goal is to find hidden patterns or structures in the data.

Semi-supervised Learning is a combination of supervised and unsupervised learning where the model is trained on a small labeled dataset and a large unlabeled dataset.

ML is a rapidly evolving field and new techniques and technologies are continuously being developed. It has been applied in a wide range of applications such as natural language processing, computer vision, speech recognition, and self-driving cars, and it has the potential to revolutionize many industries.

In conclusion, Machine Learning is a powerful and versatile tool that can be used to analyze and make predictions from data, and it has a wide range of applications in different areas.

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