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 Colorado System
Skills you'll gain: Statistical Software, Marketing Analytics, Model Evaluation, Regression Analysis, Data-Driven Marketing, Statistical Modeling, Data Visualization, Statistical Methods, Statistical Analysis, Strategic Marketing, Market Analysis, Marketing, Predictive Analytics, Predictive Modeling, Logistic Regression, Customer Insights, Target Market, Statistical Hypothesis Testing, Variance Analysis
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Descriptive Statistics, Quantitative Research, Data Literacy, Scientific Methods, Graphing, Research Design, Statistical Visualization, Statistical Hypothesis Testing, Science and Research, Research Methodologies, Probability & Statistics, Research, Statistical Inference, Statistics, Statistical Analysis, Statistical Methods, Ethical Standards And Conduct, Data Analysis, Research and Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Restful API, Back-End Web Development, Object-Relational Mapping, Web Development, Authentications, Web Applications, Web Services, Unit Testing, Authorization (Computing), Databases, Data Validation, TypeScript, SQL, Hypertext Markup Language (HTML), Debugging, Data Cleansing, Middleware, HTML and CSS, Javascript
Intermediate · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Model Evaluation, SPSS, Statistical Modeling, Statistical Software, Statistical Analysis, SPSS (Software), Social Sciences, SAS (Software), Statistical Methods, Correlation Analysis, Regression Analysis, Data Analysis Software, Data Manipulation, Exploratory Data Analysis
Mixed · Course · 3 - 6 Months

Skills you'll gain: Technical Analysis, Market Trend, Financial Trading, Trend Analysis, Market Data, Securities Trading, Financial Market, Market Analysis, Market Dynamics, Histogram
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Personalized Campaigns, Data-Driven Marketing, Marketing Management, Data Preprocessing, Exploratory Data Analysis
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Business Valuation, Financial Modeling, Revenue Forecasting, Microsoft PowerPoint, Financial Statements, Financial Analysis, Oral Expression, Auditing, Sales Presentations, Verbal Communication Skills, Financial Auditing, Financial Forecasting, Presentations, Productivity Software, Investment Banking, Equities, Forecasting, Corporate Finance, Microsoft Excel, Data Analysis
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Routing Protocols, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Integrity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Analysis, Sampling (Statistics), Quantitative Research, Financial Analysis, Statistical Hypothesis Testing, Portfolio Risk, Probability, Return On Investment, Portfolio Management, Financial Data, Market Data, Statistical Analysis, Financial Market, Statistical Methods, Probability Distribution, Probability & Statistics, Market Trend, Finance, Performance Metric, Investment Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, Node.JS, Docker (Software), React.js, Front-End Web Development, Containerization, Full-Stack Web Development, Back-End Web Development, Frontend Integration, Server Side, JavaScript Frameworks, Restful API, Web Development, Web Applications, Application Development, Javascript, Application Programming Interface (API), Software Development, Authentications, Project Management Software
Beginner · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Risk Management, Risk Analysis, Risk Management Framework, Business Risk Management, Project Risk Management, Revenue Management, Facility Management, Data Ethics, Business Strategies, Sustainable Business, Sustainable Systems, Governance, Business Modeling, Organizational Strategy, Data Strategy, Regulatory Compliance, Stakeholder Management, Real Estate, Governance Risk Management and Compliance, Hospitality Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Performance Tuning, SQL, Database Management, Database Management Systems, Query Languages, System Monitoring, Application Performance Management
Intermediate · Course · 1 - 4 Weeks