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.

Coursera
Skills you'll gain: Data Governance, Data Strategy, Data Management, Data Pipelines, Data Integrity, General Data Protection Regulation (GDPR), Data Quality, Dataflow, Technical Communication, Personally Identifiable Information, Compliance Auditing, Jira (Software), Regulation and Legal Compliance, Project Planning, Data Storage, Process Analysis, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Microsoft Azure, Data Lakes, Enterprise Architecture, Data Warehousing, Data Integration, Virtualization, Cloud Storage, Data Transformation, Data Governance, Real Time Data, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), NumPy, Data Analysis, Data Science, Python Programming, Data Structures, Exploratory Data Analysis, Data Manipulation, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Data Warehousing, SQL, Data Governance, Data Management, Oracle Databases, Database Management Systems, Relational Databases, Business Intelligence, Data Integration, Data Architecture, Big Data, Analytics, Scalability
Mixed · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Apache Spark, Big Data, SPSS, Analytics, Real Time Data, Apache Hadoop, Data Processing, Business Analytics, Statistical Analysis, Data Analysis Software, Business Strategy, Market Share, Distributed Computing, Scalability
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: User Research, Data Cleansing, Data Integrity, Gap Analysis, Corrective and Preventive Action (CAPA), Code Review
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Data Storage, Query Languages, Vector Databases, Data Lakes, File Systems, Database Systems, SQL, Databases, Database Management Systems, Data Architecture, Cloud Storage, Data Warehousing, Amazon Web Services, Apache Kafka, Amazon S3, Apache Spark, Graph Theory, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Sampling (Statistics), Exploratory Data Analysis, Probability Distribution, R Programming, Statistical Software, Bayesian Statistics, Probability, Data Analysis, Quantitative Research, Statistics, Statistical Inference, Descriptive Statistics
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Ethics, Artificial Intelligence, Research, Big Data, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Analytics, Data Mining, Social Sciences, Natural Language Processing, Predictive Analytics, Algorithms
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: R (Software), Probability Distribution, Statistical Inference, Descriptive Statistics, R Programming, Data Analysis, Sampling (Statistics), Statistics, Statistical Analysis, Statistical Hypothesis Testing, Probability, Box Plots, Data Visualization, Histogram
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Analytics, Web Analytics, Marketing Analytics, Cross-Channel Marketing, Customer Analysis, Target Audience, Content Performance Analysis, Marketing Effectiveness, Campaign Management, Data Presentation, Advertising Campaigns, Digital Marketing, Performance marketing, Marketing Strategies, Consumer Behaviour, Data-Driven Decision-Making, Performance Analysis, Marketing Budgets
Beginner · Course · 1 - 4 Weeks

Fred Hutchinson Cancer Center
Skills you'll gain: Bioinformatics, Molecular Biology, Data Processing, Data Analysis, Data Literacy, Exploratory Data Analysis, Laboratory Research, Metadata Management, Science and Research, R Programming, Spatial Data Analysis, Scientific Methods, Data Collection, Data Quality, Research, Quantitative Research, Informatics, Biology, Laboratory Techniques, Analysis
Intermediate · Specialization · 3 - 6 Months