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.
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Revenue Recognition, Data Presentation, Data Visualization, Business Workflow Analysis, Accrual Accounting, Financial Statements, Accruals, Cash Flows, Storytelling, Accounting, Financial Statement Analysis, Business Analytics, Financial Accounting, Business Analysis, Big Data, Asset Management, Analytics, Data Analysis, Intellectual Property
★ 4.7 (6.4K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Mapping, Microsoft Azure, Data Transformation, Data Pipelines, Extract, Transform, Load, Dataflow, Data Processing, Data Integration, Data Storage, Cloud Storage
★ 4.8 (8) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Database Design, Business Intelligence, Decision Support Systems, Data Warehousing, Relational Databases, Database Development, Data Visualization, Data Modeling, Business Intelligence Software, Database Software, Database Management Systems, Database Management, SQL, Star Schema, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Governance, Data Integration, Dashboard Creation
★ 4.5 (4.1K) · Advanced · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Data Modeling, Python Programming, Object Oriented Programming (OOP), Data Persistence, Context Management, Data Structures, Memory Management
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Statistical Reporting, Data Analysis, Data Presentation, Team Management, Analytical Skills, Presentations, Team Leadership, People Management, Statistical Inference, Statistical Modeling, Statistical Methods, Data Collection, Communication
★ 4.6 (3.4K) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Dashboard Creation, Data Visualization Software, Data Visualization, Dashboard, Interactive Data Visualization, Google Cloud Platform
★ 4.1 (17) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Data Pipelines, Big Data, Microsoft Azure, Data Processing, Data Integration, Cloud Management, Cloud Services
★ 4.6 (21) · Advanced · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Data Presentation, Data Processing, Big Data, Apache Spark, Splunk, Data Analysis, Unstructured Data, Analytics, Data Wrangling, Data Infrastructure, Social Network Analysis, Network Analysis, Classification Algorithms
★ 4.4 (400) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, MySQL Workbench, Data Warehousing, Database Design, MySQL, Interactive Data Visualization, Data Modeling, Dashboard, Database Administration, Data Visualization Software, Database Development, Star Schema, Dashboard Creation, Database Management, Analytics, Database Architecture and Administration, Data Architecture, Databases, Snowflake Schema, Data Analysis
★ 4.4 (107) · Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Surveys, Survey Creation, Data Collection, Statistical Analysis, Data Analysis Software, Statistical Software, Interviewing Skills, Research Design, STATA (Software), R (Software), Data Integration, Data Validation, Data Ethics, Data Analysis, Stata, Data Quality, Statistical Programming, R Programming
★ 4.4 (1.5K) · Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Pandas (Python Package), Data Visualization, Time Series Analysis and Forecasting, Matplotlib, Statistical Visualization, Data Visualization Software, Statistical Inference, Statistical Analysis, Seaborn, Statistical Programming, Analytics, Statistical Methods, Exploratory Data Analysis, Descriptive Statistics, Probability & Statistics, Data Manipulation, Predictive Modeling, Programming Principles, Jupyter, Python Programming
★ 4.6 (25) · Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Big Data, Internet Of Things, Social Network Analysis, Text Mining, Apache Hadoop, Business Intelligence, Social Media Analytics, Unstructured Data, Analytics, Cloud Computing, Cloud Infrastructure, Data-Driven Marketing, Data Science, Fraud detection, Customer Retention, Marketing Strategies
★ 4.6 (323) · Beginner · Course · 1 - 4 Weeks