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 Michigan
Skills you'll gain: Histogram, Data Literacy, Data Presentation, Data Collection, Descriptive Statistics, Statistics, Data Analysis, Statistical Visualization, Plot (Graphics), Probability & Statistics, Statistical Reporting, Sampling (Statistics), Research, Data Validation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Statistical Programming, R (Software), Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Statistical Software, Microsoft Excel, Statistics, Data Analysis
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, Tidyverse (R Package), R Programming, Data Quality, R (Software), Data Processing, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Power BI, Data Transformation, Data Lakes, Data Warehousing, Real Time Data, Extract, Transform, Load, Data Architecture, Data-Driven Decision-Making, Dashboard, Data Pipelines, Dashboard Creation, Data Modeling, Business Reporting, Data Presentation, Transact-SQL, Business Intelligence, Data Analysis, Microsoft 365, Python Programming, Machine Learning
Intermediate · Course · 1 - 3 Months

Eindhoven University of Technology
Skills you'll gain: Business Process Improvement, Process Analysis, Process Improvement, Business Process Management, Process Management, Data Mining, Process Design, Business Process Modeling, Process Modeling, Operational Analysis, Performance Analysis, Big Data, Real Time Data, Data-Driven Decision-Making, Data Science, Verification And Validation, Model Evaluation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Design, Microsoft Access, Database Systems, Databases, Relational Databases, Data Integrity, Data Validation, Database Management, Data Entry, Performance Tuning
Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, LLM Application, Large Language Modeling, Embeddings, Data Processing, Data Store, Data Access, Vector Databases, Prompt Engineering, Document Management
Beginner · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Data Presentation, Graphic and Visual Design, Visual Design, Data Storytelling, Design Elements And Principles, Plot (Graphics), Data Literacy, Scatter Plots
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: iSCSI Configuration, Data Centers, Network Switches, Data Storage, Network Infrastructure, Data Storage Technologies, Networking Hardware, General Networking, Network Protocols, System Configuration
Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Interactive Data Visualization, Dashboard Creation, Spreadsheet Software, Dashboard, Microsoft Excel, Excel Macros, Tree Maps, Excel Formulas, Data Analysis, Forecasting, Geospatial Mapping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Airflow, Data Warehousing, Data Flow Diagrams (DFDs), Data Lakes, Data Pipelines, Diagram Design, Data Integration, Performance Tuning, Data Governance, Cloud Deployment, Data Modeling, Data Mapping, Dataflow, Extract, Transform, Load, Trend Analysis, Service Level Agreement, Systems Integration, SQL, Apache Kafka, Python Programming
Intermediate · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Unsupervised Learning, Data Mining, Applied Machine Learning, Machine Learning Algorithms, Spatial Analysis, Machine Learning Methods, Model Evaluation, Anomaly Detection, Taxonomy, Algorithms, Verification And Validation
Mixed · Course · 1 - 3 Months