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: Flutter (Software), Data Persistence, JSON, Data Store, UI Components, User Interface (UI), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Database Development, Database Application, Databases, Debugging, Database Management, Application Development, Mobile Development, Real Time Data, Program Development, Application Programming Interface (API), Data Management
★ 5 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Presentation, Data Visualization, Plot (Graphics), Statistical Visualization, Data-Driven Decision-Making, Dashboard Creation, Data Ethics, R (Software), Data Science, Data Governance, Advanced Analytics
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Storytelling, Data Collection, Data Quality, Business Analytics, Data Visualization Software, Data-Driven Decision-Making, Analytics, Data Analysis, Analytical Skills, R (Software), Communication, Digital Marketing, Health Care
★ 4.6 (660) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Unsupervised Learning, Feature Engineering, Time Series Analysis and Forecasting, Model Deployment, Model Optimization, Cloud Deployment, Amazon Web Services, Applied Machine Learning, Model Training, Advanced Analytics, Machine Learning Methods, Amazon S3, Artificial Intelligence and Machine Learning (AI/ML), Cloud Computing, Model Evaluation, Forecasting, Data Preprocessing, Dimensionality Reduction
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Data Security, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Cryptographic Protocols, Public Key Infrastructure, Authentications, Key Management, Identity and Access Management, Web Development, Application Security, Web Applications, Data Integrity, Multi-Factor Authentication, Security Strategy
★ 4.6 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Model Evaluation, Feature Engineering, Probability & Statistics, Supervised Learning, Statistical Hypothesis Testing, Exploratory Data Analysis, Box Plots, Regression Analysis, Statistics, Predictive Modeling, Time Series Analysis and Forecasting, Data Science, Statistical Programming, Histogram, Statistical Analysis, Database Application, Database Software, Integrated Development Environments, Python Programming
★ 4.6 (34) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Marketing Analytics, Dashboard Creation, Marketing Budgets, Dashboard, Data-Driven Marketing, Regression Analysis, Marketing Effectiveness, Data-Driven Decision-Making, Statistical Reporting, Data Literacy, Analytics, Statistical Analysis, Statistical Methods, Marketing Strategies, Data Presentation, Data Analysis, Return On Investment, Data Visualization, Data Storytelling, Budgeting
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Star Schema, Role-Based Access Control (RBAC), Power BI, Database Design, Data Modeling, Data Analysis Expressions (DAX), Authorization (Computing), Financial Data, Relational Databases, Data Security, Security Controls, Dashboard, Data Access, Dashboard Creation, Model Deployment, Gross Profit, Cloud Deployment, Performance Improvement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Python Programming, Algorithms, Data Manipulation, Computational Thinking, Programming Principles, Data Processing, Data Dictionary, Computer Programming, Text Mining
★ 4.6 (17) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Data Maintenance, Data Storage, Data Processing, Google Cloud Platform, Cloud Storage, Data Analysis, Data Infrastructure, Data Architecture, Cloud Security, Data Preprocessing, Automation
★ 4.6 (1K) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Dashboard, Dashboard Creation, Microsoft Excel, Business Reporting, Excel Formulas, Spreadsheet Software, Performance Reporting, Case Studies, People Analytics, Performance Analysis, Business Analytics, Variance Analysis, Trend Analysis, Data Analysis, Employee Performance Management, Performance Measurement, Project Documentation, Business Process Automation, Data Presentation
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: SPSS (Software), SPSS, Statistical Hypothesis Testing, Correlation Analysis, Data Visualization, Descriptive Statistics, Advanced Analytics, Statistical Visualization, Data Analysis, Regression Analysis, Descriptive Analytics, Statistical Analysis, Statistical Reporting, Statistical Software, Data-Driven Decision-Making, Exploratory Data Analysis, Data Analysis Software, Statistical Methods, Statistical Inference, Probability & Statistics
Beginner · Course · 1 - 4 Weeks