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: User Research, User Feedback, Project Scoping, Data Presentation, Analysis, Mobile Banking, Data Collection
★ 4.7 (269) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Visualization, Data-Driven Decision-Making
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data-Driven Marketing, Web Analytics and SEO, Data Storytelling, Driving engagement, Statistical Methods, Statistical Analysis, Technical Communication, Performance Reporting
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: SQL, Transaction Processing, Query Languages, Database Management, Data Manipulation, Data Security, Security Controls, Security Management, Database Architecture and Administration, Data Transformation, Data Access, Data Integrity, Authorization (Computing), Data Dictionary
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data-Driven Marketing, Dashboard Creation, A/B Testing, Predictive Modeling, Data Validation, Predictive Analytics, Analytics, Campaign Management, Web Analytics, Verification And Validation, Real Time Data, Management Reporting, Model Evaluation, Scheduling
Beginner · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: AWS Kinesis, Amazon Redshift, Real Time Data, Data Pipelines, Serverless Computing, Amazon Web Services, Extract, Transform, Load, Apache Spark, Apache Airflow, Data Processing, Interactive Data Visualization, Analytics, Data Transformation, Data Security, Scalability
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: AI Personalization, Nutrition and Diet, Nutritional Assessment, Personalized Service, Clinical Nutrition, Precision Medicine, Medical Nutrition Therapy, Nutrition Education, Data Ethics, Dietetics, Data Collection, Data Capture, Diagnostic Tests, Responsible AI, Data Analysis, Clinical Research, Health Equity, Health Technology, Consumer Behaviour, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Security, Security Controls, Health Care Procedure and Regulation, Computer Security Awareness Training, Cybersecurity, Cryptographic Protocols, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Forecasting, Spatial Data Analysis, Data Visualization Software, Data Mapping, Interactive Data Visualization, Time Series Analysis and Forecasting, Trend Analysis, Predictive Analytics, Geospatial Mapping, Data Analysis, Geospatial Information and Technology, Data Wrangling, Geographic Information Systems, Advanced Analytics, Analytics, Data Transformation, Statistical Programming
★ 4.8 (223) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Data Security, Microsoft Azure, Cloud Security, Databases, Database Management, Data Management, Data Access, Security Controls, Authorization (Computing), Role-Based Access Control (RBAC)
Intermediate · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Statistical Methods, Bayesian Statistics, Statistics, Probability & Statistics, Analytics, Data Storage Technologies, Exploratory Data Analysis, Data Store, Mathematical Software, Data Storage, Data Access, Statistical Machine Learning, Database Software, Estimation, Machine Learning Methods, Data-Driven Decision-Making, Applied Machine Learning, Supervised Learning, Markov Model, Regression Testing
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Gemini, Google Gemini, Big Data, SQL, Analysis
Beginner · Project · Less Than 2 Hours