Data Science vs. Machine Learning: What’s the Difference?

Written by Coursera • Updated on

What is the difference between data science and machine learning? Which potential career path is right for you? Find out more here.

[Feature image] Person examining data on two separate computers

Data science and machine learning are two concepts that fall within the field of technology and using data to further how we create and innovate products, services, infrastructural systems, and more. Both correspond with career paths that are in-demand and high-earning.

The two relate to each other in a similar way that squares are rectangles, but rectangles are not squares. Data science is the all-encompassing rectangle, while machine learning is a square that is its own entity. They are both often used by data scientists in their work and are rapidly being adopted by nearly every industry.

Pursuing a career in either field can deliver high returns. According to US News, data scientists ranked as third-best among technology jobs, while a machine learning engineer was named the best job in 2019 [1, 2]. If you decide to learn programming and statistical skills, your knowledge will be useful in both careers.

Read on to learn the difference between data science and machine learning.

Data science vs. machine learning: what’s the difference?

Data science is a field that studies data and how to extract meaning from it, whereas machine learning is a field devoted to understanding and building methods that utilize data to improve performance or inform predictions. Machine learning is a branch of artificial intelligence.

[Featured image] Venn diagram comparing Data Science vs Machine Learning

In recent years, machine learning and artificial intelligence (AI) have dominated parts of data science, playing a critical role in data analytics and business intelligence. Machine learning automates the process of data analysis and goes further to make predictions based on collecting and analyzing large amounts of data on certain populations. Models and algorithms are built to make this happen.

What is data science?

Data science is a field that studies data and how to extract meaning from it, using a series of methods, algorithms, systems, and tools to extract insights from structured and unstructured data. That knowledge then gets applied to business, government, and other bodies to help drive profits, innovate products and services, build better infrastructure and public systems, and more.

To get a better sense of what data science entails, watch this video:

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Video - Introduction to data science

Read more: What is Data Science?

Skills needed

To build a career in data science, such as becoming a data scientist, you’ll want to gain programming and data analytics skills.

  • Strong knowledge of programming languages Python, R, SAS, and more

  • Familiarity working with large amounts of structured and unstructured data

  • Comfortable with processing and analyzing data for business needs

  • Understanding of math, statistics, and probability

  • Data visualization and data wrangling skills

  • Knowledge of machine learning algorithms and models

  • Good communication and teamwork skills

Careers in data science

Besides the obvious career as a data scientist, there are plenty of other data science jobs to choose from.

  • Data scientist: Uses data to understand and explain the phenomena around them, to help organizations make better decisions.

  • Data analyst: Gathers, cleans, and studies data sets to help solve business problems.

  • Data engineer:Build systems that collect, manage, and transform raw data into information for business analysts and data scientists.

  • Data architect:Reviews and analyzes an organization’s data infrastructure to plan databases and implement solutions to store and manage data.

What is machine learning?

Machine learning is a branch of artificial intelligence that uses algorithms to extract data and then predict future trends. Software is programmed with models that allow engineers to conduct statistical analysis to understand patterns in the data. 

Social media platforms like Facebook, Twitter, Instagram, YouTube, and TikTok gather users’ information. Based on previous behavior, it it predicts your interests and desires, and recommends products, services, or articles that are relevant to you. 

As a set of tools and concepts, machine learning is applied in data science, but also appears in fields beyond it. Data scientists often incorporate machine learning in their work where appropriate,to help gather more information faster or to assist with trends analysis.

Read more: How Much Does a Machine Learning Engineer Make?

Skills needed

To become a successful machine learning engineer, you’ll need to be well-versed in the following:

  • Expertise in computer science, including data structures, algorithms, and architecture

  • Strong understanding of statistics and probability

  • Knowledge of software engineering and systems design

  • Programming knowledge, such as Python, R, and more

  • Ability to conduct data modeling and analysis

Careers in machine learning

If you decide to pursue a career in machine learning and artificial intelligence, there are several options to choose from.

  • Machine learning engineer:Researches, builds, and designs the AI responsible for machine learning, and maintaining or improving AI systems

  • AI engineer: Build AI development and production infrastructure, and then implements it

  • Computational linguist: Develop and design computers that deal with how human language works

  • Human-centered AI systems designer: Design, develop, and deploy systems that can learn and adapt with humans to improve systems and society

 Dive into machine learning

Learn how self-driving cars, speech recognition, and Google searches work with this deep dive into Machine Learning at Stanford University. Machine learning and AI are so pervasive in our lives that we barely notice we are using them (or that they are tracking our data!). You’ll learn about some of Silicon Valley’s best practices in innovation and solving problems.

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Get started in data science or machine learning.

Whether you decide to pursue data science or machine learning, you’ll need technical skills in programming and statistics to land a job. IBM’s Data Science professional certificate is designed to help you land a job as a data scientist or related career. You’ll learn Python and SQL, data analysis and visualization, and build machine learning models. No degree or experience is required. Start today to earn your certificate in 11 months or less (four hours per week).

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Written by Coursera • Updated on

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