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: 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

Skills you'll gain: PySpark, MySQL, Data Pipelines, Apache Spark, Data Access, Data Processing, Data Transformation, Data Manipulation, Distributed Computing, Data Import/Export, Python Programming
★ 4.4 (42) · 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

Simplilearn
Skills you'll gain: Data Analysis Expressions (DAX), Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Processing, Data Presentation, Data Transformation, Data Analysis, Data Visualization, Data Integration, Statistical Analysis
Beginner · Course · 1 - 4 Weeks

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

Corporate Finance Institute
Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Dashboard, Data Transformation, Dashboard Creation, Data Analysis, Excel Formulas, Data Visualization Software, Data Presentation, Data Manipulation
★ 4.8 (92) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Peer Review, Data Literacy, Research, Quantitative Research, Report Writing, Analytical Skills, Science and Research, Data Analysis, Research Methodologies
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Data Visualization Software, Data Analysis, Dashboard, Dashboard Creation
★ 4.8 (22) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Data Transformation, Data Integration, Pivot Tables And Charts, Data Maintenance, Data Visualization Software, Data Wrangling, Relational Databases, Data Management, Advanced Analytics, Data Manipulation, Data Analysis, Analytics, Data Cleansing, Data Quality, Data Import/Export, Forecasting
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Health Informatics, Medical Records, Health Information Management, Health Information Management and Medical Records, Interoperability, Health Technology, Health Care, Health Systems, Clinical Documentation, Electronic Medical Record System, Clinical Data Management, Data Mapping, Data Sharing, Internet Of Things, Emerging Technologies, Data Management, Unstructured Data, Data Integration, Data Modeling, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Metadata Management, Document Management, Vector Databases, Query Languages, Database Management, Data Management, Extract, Transform, Load, Data Maintenance, Data Architecture, LLM Application, Data Pipelines, Scripting, Embeddings
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Memory Management, Software Visualization, Performance Tuning
★ 4.6 (7) · Intermediate · Course · 1 - 3 Months