Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Pivot Tables And Charts, Microsoft Excel, R Programming, Alteryx, R (Software), Dashboard, Statistical Programming, Data Transformation, Tableau Software, Data Cleansing, Data Visualization Software, Spreadsheet Software, Debugging, Data Visualization, Automation, Python Programming, Data Structures, Statistical Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Plotly, Model Evaluation, NumPy, Statistical Methods, Probability & Statistics, Plot (Graphics), Dashboard, Statistics, Pandas (Python Package), Data Analysis, Database Development, Statistical Analysis, Regression Analysis, Dashboard Creation, Data Manipulation, Python Programming, Applied Machine Learning, Probability, Data Science, Performance Tuning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Lakes, Microsoft Azure, Extract, Transform, Load, Power BI, Data Governance, Data Integration, Data Architecture, Data Management, Data Pipelines, Dataflow, Data Warehousing, Data Transformation, Data Analysis, Data Security, Data Storage, Python Programming, Machine Learning
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Metadata Management, Google Cloud Platform, Data Mining, Big Data, Exploratory Data Analysis, Data Management, Cloud API
Beginner · Project · Less Than 2 Hours

IIT Guwahati
Skills you'll gain: Package and Software Management, Time Series Analysis and Forecasting, Cloud Computing Architecture, Linear Algebra, Data Structures, R (Software), Data Warehousing, Database Design, Model Evaluation, Database Management, Social Network Analysis, Algorithms, Java Programming, Deep Learning, Portfolio Management, Oral Comprehension, C (Programming Language), Econometrics, Spreadsheet Software, Data Literacy
Earn a degree
Degree · 1 - 4 Years

Illinois Tech
Skills you'll gain: Database Management Systems, Database Management, Database Administration, Database Software, Database Development, Database Design, Database Architecture and Administration, Database Application, Relational Databases, SQL, Data Modeling, Network Model, Query Languages, Data Maintenance, Data Integrity, Data Manipulation, Data Security, Diagram Design
Build toward a degree
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Governance, Digital Transformation, Real Time Data, Google Cloud Platform, Business Transformation, Data Management, Data Warehousing, Data Transformation, Big Data, Looker (Software), Cloud Storage, Analytics, Business Intelligence, Governance, Data Processing, Dataflow, Data-Driven Decision-Making, Database Systems, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, Data Manipulation, Query Languages, Data Access, PostgreSQL, Data Management
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Generative AI, Responsible AI, Financial Data, Complex Problem Solving, Microsoft Copilot, Data Ethics, ChatGPT, Data-Driven Decision-Making, Data Analysis, Prompt Engineering, Financial Analysis, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), Restful API, Apple iOS, iOS Development, JSON, Swift Programming, Application Programming Interface (API), Mobile Development, Application Development, Data Persistence, Data Modeling, Authentications
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Social Media Analytics, Data Presentation, Business Intelligence, Predictive Modeling, Dashboard Creation, Predictive Analytics, Customer Analysis, Case Studies, Advanced Analytics
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data-Driven Marketing, Google Ads, Google Analytics, Marketing Analytics, Data Integration, Web Analytics, Data Access
Beginner · Course · 1 - 4 Weeks