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.

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Data Architecture, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
Intermediate · Course · 1 - 4 Weeks

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

Corporate Finance Institute
Skills you'll gain: Data Preprocessing, Feature Engineering, Data Import/Export, Exploratory Data Analysis, Data Cleansing, Statistical Visualization, Data Literacy, Data Visualization, Data Transformation, Data Analysis, Box Plots, Model Training, Python Programming, Data Science
Advanced · Course · 1 - 3 Months
Skills you'll gain: Data Pipelines, Apache Airflow, Dataflow, Site Reliability Engineering, Disaster Recovery, Apache Kafka, Data Integrity, Data Infrastructure, Workflow Management, Real Time Data, Data Processing, Apache Spark
Intermediate · 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

The Hong Kong University of Science and Technology
Skills you'll gain: Social Studies, Social Sciences, Big Data, Sociology, Demography, Socioeconomics, Culture, Economics, Data Analysis, Analytics, World History, Quantitative Research
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, MLOps (Machine Learning Operations), Data Science, Machine Learning, Prompt Engineering Tools, Model Evaluation, Applied Machine Learning, Data Store, AI Workflows, Apache Spark, Data Strategy, Data Import/Export, Azure Synapse Analytics, Cloud Computing, Fine-tuning, Data Pipelines, Continuous Monitoring, Data Preprocessing, Scalability, Development Environment
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Dashboard, Dashboard Creation, Data Visualization, Web Content Accessibility Guidelines, Data Presentation, Data Literacy, Data Visualization Software, Statistical Visualization, Heat Maps, Scatter Plots
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, Data Wrangling, Data Manipulation, Extract, Transform, Load, Data Integration, Data Preprocessing, Data Cleansing, Data Analysis, Data Processing, Tableau Software, Dashboard Creation, Data Pipelines, Dataflow, Data Import/Export, Pivot Tables And Charts, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, SAS (Software), Metadata Management, Data Integrity, Data Maintenance, Query Languages, Relational Databases, Data Manipulation, Data Analysis Software, Database Management, Data Transformation, Data-Driven Decision-Making, Performance Tuning, Data Governance, Debugging, Data Wrangling, Data Analysis, Data Processing, Computational Logic, Data Management
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Data Import/Export, Cloud Management, Data Migration, Serverless Computing, File Management, Cloud Computing, Cloud Storage, Google Cloud Platform, Data Store, Database Development
Beginner · Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Data Governance, Database Management, NoSQL, Data Management, SQL, Query Languages, Database Theory, MongoDB, Relational Databases, Big Data, Graph Theory, Data Storage, Social Network Analysis, Network Analysis, Data Integrity, Apache Hadoop, Data Manipulation
Build toward a degree
Mixed · Course · 1 - 3 Months