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: Logistic Regression, SAS (Software), Predictive Analytics, Predictive Modeling, Advanced Analytics, Feature Engineering, Statistical Software, Model Evaluation, Data Analysis, Statistical Analysis, Regression Analysis, Statistical Modeling, Exploratory Data Analysis, Correlation Analysis, Statistical Methods, Statistical Hypothesis Testing, Probability & Statistics, Data Transformation, Descriptive Statistics, Graphing
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Run Chart, Data Collection, Data Analysis, Quality Improvement, Continuous Quality Improvement (CQI), Healthcare Project Management, Statistical Analysis, Exploratory Data Analysis, Data Literacy, Statistical Methods, Data-Driven Decision-Making, Sampling (Statistics), Statistical Visualization, Graphing, Decision Making
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Management Systems, Data Modeling, Databases, Database Design, Database Systems, Database Management, Database Theory, Big Data, Unified Modeling Language, Database Architecture and Administration, Data Integration, Data Storage Technologies, Data Management, Apache Hadoop, Apache Spark, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Extract, Transform, Load, Object-Relational Mapping, Data Cleansing, Data Manipulation, Data Quality, Data Pipelines, Pandas (Python Package), Descriptive Statistics, Database Management, Data Transformation, Data Integrity, Relational Databases, Exploratory Data Analysis, Data Store, Databases, Descriptive Analytics, Data Persistence, Data Analysis, Graphical Tools
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Quality, Data Lakes, Data Governance, Data Validation, Google Cloud Platform, Data Analysis, Data Warehousing, Query Languages
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Docker (Software), Web Applications, Containerization, Devops Tools, Virtual Networking, YAML, Service Management, Memory Management, Command-Line Interface
★ 4.4 (9) · Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: AI Security, Vector Databases, Data Strategy, Data Management, Data Architecture, Data Security, Data Governance, Generative AI Agents, Metadata Management, Containerization, Data Ethics, Interoperability, Data Store, Retrieval-Augmented Generation, Taxonomy, Data Storage, Data Processing, Large Language Modeling, Machine Learning, Agentic systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Mining, Data Cleansing, Transaction Processing, Unsupervised Learning, Data Preprocessing, R Programming, Data Analysis, Market Analysis, Data Visualization, Data Manipulation, Model Training, Statistical Visualization, Data Quality, Consumer Behaviour, Model Optimization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Plot (Graphics), Tidyverse (R Package), Data Visualization, Statistical Visualization, Data Analysis, Exploratory Data Analysis, R Programming, Data Visualization Software, Data Wrangling, Data Manipulation, R (Software)
★ 5 (20) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Analysis, Analytics, Data Literacy, Correlation Analysis, Applied Machine Learning, Data Visualization, Machine Learning
Mixed · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Apache Maven, Big Data, Apache, Real Time Data, Data Processing, Scalability, Data Structures, Live Streaming, Data Transformation, Object Oriented Programming (OOP), Systems Integration
★ 5 (9) · Intermediate · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: Data Ethics, Ethical Standards And Conduct, Data-Driven Decision-Making, Responsible AI, Risking, Analytical Skills, Research Methodologies
Intermediate · Course · 1 - 4 Weeks