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A simple way to understand machine learning vs deep learning

A simple way to understand machine learning vs deep learning

What is machine learning?


Here’s a basic definition of machine learning:

“Algorithms that parse data, learn from that data, and then apply what they’ve learned to make informed decisions”

An easy example of a machine learning algorithm is an on-demand music streaming service. For the service to make a decision about which new songs or artists to recommend to a listener, machine learning algorithms associate the listener’s preferences with other listeners who have similar musical taste.


Machine learning fuels all sorts of automated tasks and spans across multiple industries, from data security firms hunting down malware to finance professionals looking out for favorable trades. They’re designed to work like virtual personal assistants, and they work quite well.

Machine learning is a lot of complex math and coding that, at the end of day, serves a mechanical function the same way a flashlight, a car, or a television does. When something is capable of “machine learning”, it means it’s performing a function with the data given to it, and gets progressively better at that function. It’s like if you had a flashlight that turned on whenever you said “it’s dark”, so it would recognize different phrases containing the word “dark”.


Now, the way machines can learn new tricks gets really interesting (and exciting) when we start talking about deep learning.

Deep learning vs machine learning

In practical terms, deep learning is just a subset of machine learning. It technically is machine learning and functions in a similar way (hence why the terms are sometimes loosely interchanged), but its capabilities are different.


Basic machine learning models do become progressively better at whatever their function is, but they still some guidance. If an ML algorithm returns an inaccurate prediction, then an engineer needs to step in and make adjustments. But with a deep learning model, the algorithms can determine on their own if a prediction is accurate or not.


Let’s go back to the flashlight example: it could be programmed to turn on when it recognizes the audible cue of someone saying the word “dark”. Eventually, it could pick up any phrase containing that word. Now if the flashlight had a deep learning model, it could maybe figure out that it should turn on with the cues “I can’t see” or “the light switch won’t work”. A deep learning model is able to learn through its own method of computing – its own “brain”, if you will

How does deep learning work?

A deep learning model is designed to continually analyze data with a logic structure similar to how a human would draw conclusions. To achieve this, deep learning uses a layered structure of algorithms called an artificial neural network (ANN). The design of an ANN is inspired by the biological neural network of the human brain. This makes for machine intelligence that’s far more capable than that of standard machine learning models.

It’s a tricky prospect to ensure that a deep learning model doesn’t draw incorrect conclusions (which is probably what keeps Elon up at night), but when it works as it’s intended to, functional deep learning is a scientific marvel and the potential backbone of true artificial intelligence.

A great example of deep learning is Google’s AlphaGo. Google created a computer program that learned to play the abstract board game called Go, a game known for requiring sharp intellect and intuition. By playing against professional Go players, AlphaGo’s deep learning model learned how to play at a level not seen before in artificial intelligence, and all without being told when it should made a specific move (as it would with a standard machine learning model). It caused quite a stir when AlphaGo defeated multiple world-renowned “masters” of the game; not only could a machine grasp the complex and abstract aspects of the game, it was becoming one of the greatest players of it as well.


To recap the differences between the two:


    • Machine learning uses algorithms to parse data, learn from that data, and make informed decisions based on what it has learned
    • Deep learning structures algorithms in layers to create an “artificial neural network” that can learn and make intelligent decisions on its own
    • Deep learning is a subfield of machine learning. While both fall under the broad category of artificial intelligence, deep learning is what powers the most human-like artificial intelligence

A simple explanation

We get it – all of this might still seem complicated. The easiest takeaway for understanding the difference between machine learning and deep learning is to know that deep learning is machine learning.

More specifically, it’s the next evolution of machine learning – it’s how machines can make their own accurate decisions without a programmer telling them so.


source: https://www.zendesk.com/th/blog/machine-learning-and-deep-learning/