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 Colorado Boulder
Skills you'll gain: Probability, Statistical Hypothesis Testing, Statistical Inference, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Bayesian Statistics, Statistical Analysis, Sampling (Statistics), Applied Mathematics, Data Ethics, Data Analysis, Correlation Analysis, Data Science, Sample Size Determination, Artificial Intelligence
★ 4.4 (360) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Regression Analysis, Classification Algorithms, Applied Machine Learning, Machine Learning Methods, Dimensionality Reduction, Anomaly Detection, Supervised Learning, Analytical Skills, Model Evaluation, Machine Learning Algorithms, Data Analysis, Data Preprocessing, Predictive Modeling, Statistical Analysis, Logistic Regression, Model Training, Statistical Machine Learning, Machine Learning, Data Mining
★ 4.7 (29) · Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Data Lakes, Data Visualization, Data Architecture, Amazon Web Services, Interactive Data Visualization, Data Engineering, Data Infrastructure, Data Warehousing, Data Processing, Data Access, Query Languages, Data Management, Data Transformation, Data Governance, Data Import/Export, Data Storage, Data Sharing, Data Science, Machine Learning
★ 4.7 (311) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Classification And Regression Tree (CART), Probability & Statistics, AI Personalization, Statistical Software, Regression Analysis, Model Evaluation, Data-Driven Decision-Making, Data Ethics, Unsupervised Learning, Statistical Modeling, Data Visualization, Customer Analysis, Statistical Analysis, Predictive Analytics, Anomaly Detection, Statistical Hypothesis Testing, Advanced Analytics, Machine Learning
★ 4.9 (16) · Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Data Visualization, Data Visualization Software, Statistical Visualization, Data Presentation, Plot (Graphics), Data Storytelling, Tableau Software, Exploratory Data Analysis, Descriptive Statistics, Data Analysis, Descriptive Analytics, Data Mapping
★ 3.9 (20) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Time Series Analysis and Forecasting, SQL
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: MLOps (Machine Learning Operations), Apache Kafka, Apache Airflow, Apache Spark, Extract, Transform, Load, Data Lakes, Data Pipelines, Distributed Computing, Real Time Data, DevOps, Data Processing, Feature Engineering, CI/CD, Pandas (Python Package), Continuous Integration
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Governance, SQL, Data Quality, Data Management, Data Manipulation, Database Design, Data Transformation, Data Wrangling, Query Languages, Data Modeling, Database Systems, Data Literacy, Relational Databases, Data Processing, Data Analysis, Descriptive Statistics
★ 4.2 (31) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Apache Spark, Apache Hadoop, Data Integration, Big Data, Data Pipelines, Data Processing, Data Management, NoSQL, Database Management Systems, Analytics, Splunk, Database Systems, MongoDB, Pandas (Python Package), Query Languages, PostgreSQL
★ 4.4 (2.4K) · Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Data Storytelling, Data Presentation, Feature Engineering, Data Visualization Software, Unsupervised Learning, SQL, Data Analysis, Model Evaluation, Seaborn, Data Visualization, Tableau Software, Predictive Modeling, Exploratory Data Analysis, Predictive Analytics, Analytics, Presentations, Database Management, Advanced Analytics, Data Science, Machine Learning
★ 4.5 (6) · Beginner · Specialization · 1 - 3 Months

Northeastern University
Skills you'll gain: Health Information Management, Health Information Management and Medical Records, Medical Records, Data Management, Health Informatics, Clinical Data Management, Electronic Medical Record System, Information Management, Health Systems, Data Governance, Health Care, Health Care Procedure and Regulation, Electronic Medical Record, Medical Privacy, Health Technology, Database Management, Data Mining, Interoperability, Authentications, Predictive Modeling
Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Sampling (Statistics), Statistical Programming, Statistical Software, Data Analysis Software, Statistical Analysis, STATA (Software), Statistical Methods, R (Software), Statistical Modeling, Regression Analysis, Data Analysis, Logistic Regression
★ 3.8 (138) · Mixed · Course · 1 - 3 Months