Data

Data is everywhere, and exciting career opportunities can be found in almost every industry. Discover the possibilities in data science, data analytics, research, and more with these informative guides.

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[Featured Image] A machine learning expert sits at a desk, using a laptop, and uses the softmax activation function.

Deep Learning Basics: The Softmax Activation Function

Learn more about what the softmax activation function is, how it operates within deep learning neural networks, and how to determine if this function is the right choice for your data type.

October 30, 2024

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[Featured Image] A seated programmer working on code points to a unique identifier on their desktop computer while talking to two colleagues.

What Is a Unique Identifier (UID), and Why Is It Important?

Discover how unique identifiers (UIDs) work, what they are, how people use them worldwide, and some examples across various industries.

October 30, 2024

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[Featured image] A businessperson wearing glasses gazes at a computer screen choosing between statistical analysis methods to perform their job.

7 Statistical Analysis Methods Beginners Should Know

Learn about seven statistical analysis methods with examples to better understand statistics’ far-reaching everyday uses and the types of careers you might pursue if it’s something you’re passionate about.

October 30, 2024

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[Featured Image] A machine learning expert sits at a desk, using a laptop, and uses the softmax activation function.

Deep Learning Basics: The Softmax Activation Function

Learn more about what the softmax activation function is, how it operates within deep learning neural networks, and how to determine if this function is the right choice for your data type.

October 30, 2024

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[Featured Image] A seated programmer working on code points to a unique identifier on their desktop computer while talking to two colleagues.

What Is a Unique Identifier (UID), and Why Is It Important?

Discover how unique identifiers (UIDs) work, what they are, how people use them worldwide, and some examples across various industries.

October 30, 2024

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Top data courses

状态：免费试用

IBM

您将获得的技能: Data Storytelling, Data Wrangling, Data Presentation, Big Data, Data Analysis, Data Cleansing, Apache Hadoop, Statistical Analysis, Data Visualization, Apache Hive, Data Mart, Data Warehousing, Apache Spark, Data Science, Analytics, Data Lakes, Data Collection, Microsoft Excel

4.8
评分, 4.8 星，最高 5 星
2.1万 条评论

初级 · 课程 · 1-3 个月

状态：免费试用

IBM

您将获得的技能: Exploratory Data Analysis, Data Analysis, Data Import/Export, Data Manipulation, Data Transformation, Predictive Modeling, Data Cleansing, Data Preprocessing, Model Evaluation, Predictive Analytics, Pandas (Python Package), Regression Analysis, Feature Engineering, Statistical Analysis, Matplotlib, Scikit Learn (Machine Learning Library), Data Visualization, NumPy, Python Programming

4.7
评分, 4.7 星，最高 5 星
2万 条评论

中级 · 课程 · 1-3 个月

状态：免费试用
状态：人工智能技能

Google

您将获得的技能: Rmarkdown, Data Ethics, Data Validation, Ggplot2, R (Software), Data Literacy, Spreadsheet Software, Data Analysis, Stakeholder Communications, Dashboard, Analytics, R Programming, Object Oriented Programming (OOP), Data-Driven Decision-Making, Tidyverse (R Package), Data Security, Data Manipulation, Data Structures, Interviewing Skills, Applicant Tracking Systems

攻读学位

4.8
评分, 4.8 星，最高 5 星
18万 条评论

初级 · 专业证书 · 3-6 个月

[Featured Image] A college learner smiles after getting the answer to their question, “Is SQL a programming language?”

Is SQL a Programming Language?

Learn more about SQL, including its unique characteristics and many applications, and whether people consider SQL a programming language.

October 28, 2024

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[Featured Image] A businessperson works on their desktop computer in an office with ample natural light as they learn Google Sheets functions to help power their tasks.

Google Sheets Functions You Need to Know

Businesses, organizations, and individuals use Google Sheets to organize and manage spreadsheet data. Discover more about basic Google Sheets functions and how learning to use this software may enhance your professional performance.

October 25, 2024

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[Featured Image] A woman at a computer desk in an office that is using peer-to-peer networking for all other computers and printers.

What Is a Peer-to-Peer Network?

In a P2P network, computers directly connect and share resources without a central server. Explore what a peer-to-peer network is, how it started and how it works, some examples, and when to use an alternative network.

October 24, 2024

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[Featured Image] A young programmer who discovered how to learn SQL sits at her office desk with a laptop and tablet and works.

How to Learn SQL

Explore SQL, including what it’s used for, how to learn SQL, and jobs where SQL is among the valuable coding skills you need to succeed.

October 22, 2024

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[Featured Image] Two data analysts discuss the meaning of regression and how they can use regression analysis in their research.

Regression Meaning: Definition, Examples, Uses

Explore what regression analysis is, the difference between correlation and causation, and how you can use regression analysis in different industries.

October 21, 2024

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[Featured Image] A man who understands data definition presents a data set to his colleagues, standing in front of a presentation on a screen and while holding a tablet and looking out at the conference room.

What Is the Definition of Data?

Any time you have a piece of factual information, you have data. Learn more about what data is, how you can use it, and the skills and education you need to pursue a career working with data.

October 21, 2024

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[Featured Image] A research scientist wearing protective goggles works with a pipette and test beakers.

Research Scientist: What Is It, How to Become One, Where You Can Work, and More

Explore a career as a research scientist, making scientific discoveries and helping increase society’s understanding of the world. Explore what research scientists do, how to become one, where you can work, and more.

October 16, 2024

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[Featured Image] A database analyst is evaluating and testing clients database.

What Does a Database Analyst Do? Your 2026 Guide

Explore what database analysts do, including everyday responsibilities. Learn more about the qualifications you’ll need and its typical career path to determine if this role is for you.

October 14, 2024

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[Featured Image] Two colleagues confer about their process mapping system and work together to use it to identify areas for the company to improve.

The Benefits of Process Mapping

Discover how process mapping can help you explore new opportunities, create better communication, and identify areas where you can improve or create more efficient systems. Learn how to start process mapping for yourself.

October 10, 2024

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[Featured image] A businessperson wearing glasses gazes at a computer screen choosing between statistical analysis methods to perform their job.

7 Statistical Analysis Methods Beginners Should Know

Learn about seven statistical analysis methods with examples to better understand statistics’ far-reaching everyday uses and the types of careers you might pursue if it’s something you’re passionate about.

October 30, 2024

文章

[Featured Image] A college learner smiles after getting the answer to their question, “Is SQL a programming language?”

Is SQL a Programming Language?

Learn more about SQL, including its unique characteristics and many applications, and whether people consider SQL a programming language.

October 28, 2024

文章

[Featured Image] A businessperson works on their desktop computer in an office with ample natural light as they learn Google Sheets functions to help power their tasks.

Google Sheets Functions You Need to Know

Businesses, organizations, and individuals use Google Sheets to organize and manage spreadsheet data. Discover more about basic Google Sheets functions and how learning to use this software may enhance your professional performance.

October 25, 2024

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[Featured Image] A woman at a computer desk in an office that is using peer-to-peer networking for all other computers and printers.

What Is a Peer-to-Peer Network?

In a P2P network, computers directly connect and share resources without a central server. Explore what a peer-to-peer network is, how it started and how it works, some examples, and when to use an alternative network.

October 24, 2024

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[Featured Image] A young programmer who discovered how to learn SQL sits at her office desk with a laptop and tablet and works.

How to Learn SQL

Explore SQL, including what it’s used for, how to learn SQL, and jobs where SQL is among the valuable coding skills you need to succeed.

October 22, 2024

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[Featured Image] Two data analysts discuss the meaning of regression and how they can use regression analysis in their research.

Regression Meaning: Definition, Examples, Uses

Explore what regression analysis is, the difference between correlation and causation, and how you can use regression analysis in different industries.

October 21, 2024

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[Featured Image] A man who understands data definition presents a data set to his colleagues, standing in front of a presentation on a screen and while holding a tablet and looking out at the conference room.

What Is the Definition of Data?

Any time you have a piece of factual information, you have data. Learn more about what data is, how you can use it, and the skills and education you need to pursue a career working with data.

October 21, 2024

文章

[Featured Image] A research scientist wearing protective goggles works with a pipette and test beakers.

Research Scientist: What Is It, How to Become One, Where You Can Work, and More

Explore a career as a research scientist, making scientific discoveries and helping increase society’s understanding of the world. Explore what research scientists do, how to become one, where you can work, and more.

October 16, 2024

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[Featured Image] A database analyst is evaluating and testing clients database.

What Does a Database Analyst Do? Your 2026 Guide

Explore what database analysts do, including everyday responsibilities. Learn more about the qualifications you’ll need and its typical career path to determine if this role is for you.

October 14, 2024

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[Featured Image] Two colleagues confer about their process mapping system and work together to use it to identify areas for the company to improve.

The Benefits of Process Mapping

Discover how process mapping can help you explore new opportunities, create better communication, and identify areas where you can improve or create more efficient systems. Learn how to start process mapping for yourself.

October 10, 2024

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In today's data-driven world, professionals skilled in data disciplines are in high demand across many industries. A career in this fast-growing field provides opportunities to use technical skills to drive meaningful business impact. Explore the diverse career paths, essential skills, and job types within data science and analytics to start your journey in this exciting and rewarding domain.

Ready to start learning? Explore our catalog of data science, data engineering, and data analytics courses for beginners and experienced professionals. 

Frequently Asked Questions (FAQ)