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.

Coursera
Skills you'll gain: Business Intelligence, Looker (Software), Data Visualization, Data Presentation, Interactive Data Visualization, Business Reporting, Data Visualization Software, Dashboard, Data Storytelling, Power BI, Dashboard Creation, Business Analytics, Data Analysis, Business Marketing, Trend Analysis
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Threat Modeling, Role-Based Access Control (RBAC), Cloud Security, Data Governance, Secure Coding, Data Security, DevSecOps, Data Management, Infrastructure as Code (IaC), Enterprise Security, Zero Trust Network Access, Application Security, Infrastructure Security, Security Controls, Threat Management, Security Requirements Analysis, Data Quality, Compliance Management, Identity and Access Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Visualization, Microsoft Excel, Data Visualization Software, Data Import/Export, Business Reporting, Microsoft Office, Microsoft 365, Productivity Software
★ 4.5 (69) · Beginner · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Verification And Validation, Python Programming, Data Manipulation, Programming Principles, Scripting, Scripting Languages, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Excel Formulas, Microsoft Excel, Spreadsheet Software, Data Presentation, Data Visualization, Excel Macros, Financial Modeling, Data Analysis, Financial Analysis, Statistical Methods, Mathematical Software, Data Science, Scheduling, Data Security, Data Integrity, Data Manipulation, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Stored Procedure, Database Development, SQL, Database Management, Database Architecture and Administration, Test Script Development, Data Integrity, Query Languages, Performance Tuning, Continuous Deployment, Data Transformation, Data Migration, CI/CD, Jest (JavaScript Testing Framework), Verification And Validation, Debugging, Auditing, Plan Execution, Statistical Hypothesis Testing, Computer Graphic Techniques
Advanced · Course · 1 - 3 Months

Skills you'll gain: Trend Analysis, Market Trend, Time Series Analysis and Forecasting, Data Presentation, Data-Driven Decision-Making, Data Visualization, Strategic Decision-Making, Data Storytelling, Market Analysis, Analytical Skills, Data Analysis, Market Research, Business Analytics, Market Data, Forecasting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Dimensionality Reduction, Data Integration, Data Preprocessing, Exploratory Data Analysis, Data Visualization, Plot (Graphics), Data Compilation, Matlab, Scientific Visualization, Data Processing, Data Cleansing, Data Wrangling, Data Manipulation, Histogram, Data Transformation, Data Science, Text Mining, Predictive Modeling, Unstructured Data
★ 4.7 (351) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Analysis, Market Dynamics, Economics, International Finance, Financial Analysis, Financial Data, Supply And Demand, Probability, Data Analysis, Advanced Analytics, Financial Policy, Market Data, Financial Trading, Market Trend, Statistical Analysis, Probability Distribution, Consumer Behaviour, Risk Analysis, Finance, Business
★ 4.7 (15) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Governance, Role-Based Access Control (RBAC), Governance, Data Management, Generative AI, Security Controls, AI Security, Data Quality, Data Access, Identity and Access Management, Benchmarking, Compliance Management, Gap Analysis, Accountability, Quality Assurance and Control
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Capital Budgeting, Financial Statements, Cash Flows, Probability & Statistics, Accounting, Bookkeeping, Finance, Financial Statement Analysis, Microsoft Excel, Descriptive Statistics, Box Plots, Fiscal Management, Statistical Methods, Probability Distribution, Financial Accounting, Income Statement, Statistical Visualization, Data Visualization, Financial Analysis, Data Analysis
★ 4.8 (3K) · Beginner · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Data Storytelling, Generative AI, Text Mining, Data Warehousing, Unsupervised Learning, Database Design, Data Governance, Data Mining, Interactive Data Visualization, Data Presentation, Generative Model Architectures, Web Scraping, Classification Algorithms, PyTorch (Machine Learning Library), Operations Research, Natural Language Processing, NoSQL, Exploratory Data Analysis, Recurrent Neural Networks (RNNs), Time Series Analysis and Forecasting
Degree · 1 - 4 Years