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A Beginner’s Guide to Deep Learning and Neural Network

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Nilesh Parashar
A Beginner’s Guide to Deep Learning and Neural Network

The future of the 21st century is heavily based on the skills and progress in the field of data science, deep learning, neural network, artificial intelligence, and so on. They are proving to be game-changing. 

Our lives are becoming extremely dependent on them by the minute and we have barely scratched the surface yet. However, there is always confusion as to what exactly do all these things mean. People look at terms like deep learning, artificial intelligence, data science and machine learning like they are the same things. But, they are not. 

Since our lives are so interconnected with these concepts, we need to understand exactly what they mean. So, today we are going to learn exactly what deep learning and neural networks mean. 

So, this is how it goes, machine learning is a subset of artificial intelligence, and deep learning is a subset of machine learning. Then what are neural networks? We will get to that in just a second. But, first, let’s see what deep learning actually means.

So, deep learning is a subset of machine learning which is concerned with algorithms that are inspired by the functions of the brain. The idea is to use brain simulations to make the learning of algorithms much better so that we can make revolutionary advances in the field of machine learning. 

Now, if these things are interesting for you then you can opt for some of the best data science courses online so that you can get an overview of the subject. You can also go for a data science certificate course online if you want to add it to your resume.  

Now, coming back to the question of what are neural networks. So, neutral networks are a group of algorithms that are designed based on the functions of the human brain that can recognize patterns. Neural networks are the backbone on which deep learning stands. The algorithms in deep learning are basically dependent on neural networks. 

So, what do these networks do exactly? They are used to interpret data from sensors for a machine. They label or group together the inputs so that it is easier for the machine to interpret. From this, we can see how deep learning is used in data science and machine learning. The neural networks can recognize patterns that are numerical in nature. 

Now, these numbers are part of vectors that represent real-life entities like image, sound, text, and so on. Quite interesting isn’t it? You can also earn these things by doing the best data science courses online. And if you are looking to make a career out of it, you can get a data science and machine learning course certificate online too.  

The basic purpose of these networks is classifying and making groups, that is clustering. Now, these things are important because in artificial intelligence we are trying to reduce the work humans have to do. So, we need to teach technology things how to identify, group, and classify data. This is where deep learning algorithms come into the picture. 

Neural networks and deep learning is used so that we can take the input data and find similarities in it and label the unlabelled data. This data that has been labelled is further used for training so that the machine is prepared when it encounters a piece of unlabelled data.

Deep learning is used so that you can find a correlation between the input and output. It is also known as ‘universal approximator’ because it can learn to approximate almost all unknown functions. 

 

Here are some of the things that are possible due to deep learning:

1. Classification

It mostly includes labelling the given input data sets. Humans, in this case, once training the data sets will have to transfer their knowledge of the data set to the algorithm so that it can do what the human can do. 

This can be used to detect faces, objects, images, gestures in videos, and so on. It can also detect voices, translate speech to text, and so on.

 

2. Clustering 

It is used so that we can find the similarities in the data set. Most of the data in this world are unlabelled. And in clustering, we are labelling the unlabelled data. 

This can be used for comparing images, sounds, documents, and so on. It can be used for anomaly detection as well so that we can find unusual behaviour. This can be used to detect and prevent things like fraud. 

 

3. Predictive Analytics and Regression

This means that we can establish a link between past events and future events. This means that we can predict the future on the basis of past events. 

It is extremely useful to find out hardware breakdowns, health breakdowns, employee turnover, and so on. 

So based on these skills and technologies, the future of the 21st century looks pretty bright. There is still time to learn and get on this train. You can find some of the best data science courses online. You can get a certificate in data science and machine learning online. This is just a start. Once, you have started with the basics, you can go ahead and learn about deep learning and neural networks in depth.

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Nilesh Parashar
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