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: Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Ethics, Statistical Analysis, Statistical Inference, Statistics, Sample Size Determination, Sampling (Statistics), Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Ggplot2, Model Evaluation, Plot (Graphics), Regression Analysis, Predictive Analytics, Predictive Modeling, Statistical Visualization, Data-Driven Decision-Making, Statistical Modeling, R Programming, Descriptive Statistics, R (Software), Exploratory Data Analysis, Descriptive Analytics, Statistical Analysis, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Microsoft Office
Beginner · Guided Project · Less Than 2 Hours

University of Pittsburgh
Skills you'll gain: NumPy, Matplotlib, Plot (Graphics), Linear Algebra, Pandas (Python Package), Data Manipulation, Applied Mathematics, Python Programming, Data Analysis, Data Science, Mathematical Software, Regression Analysis, Data Visualization Software, Mathematics and Mathematical Modeling, Probability & Statistics, Numerical Analysis, Mathematical Modeling, Machine Learning, Computational Logic, Logical Reasoning
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Data Governance, Data Management, Apache Spark, PySpark, Databricks, Record Keeping
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Applied Mathematics, Trigonometry, Advanced Mathematics, Mathematical Modeling, Algebra, Derivatives, Geometry
Intermediate · Course · 1 - 3 Months

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, MongoDB
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Clinical Trials, Clinical Research, Pharmaceuticals, Drug Development, Psychological Evaluations, Patient Evaluation, Pharmaceutical Terminology, Clinical Assessment, Quantitative Research, Psychosocial Assessments, Data Literacy, Patient Observation, Patient-centered Care, Oncology, Statistical Methods, Data Science, Statistical Analysis
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Mining, Exploratory Data Analysis, Model Evaluation, Dimensionality Reduction, Data Preprocessing, Data Cleansing, Data Transformation, Data-Driven Decision-Making, Predictive Analytics, Forecasting, Data Analysis, Classification Algorithms, Data Visualization Software, Unsupervised Learning
Intermediate · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Dashboard Creation, Excel Macros, Microsoft 365, Data Visualization, Pivot Tables And Charts, Spreadsheet Software, Productivity, AI literacy, Productivity Software, Data Analysis, Data-Driven Decision-Making, Workflow Management, Generative AI Agents, Artificial Intelligence, Customer Data Management, Generative AI, Data Management, Leadership Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Classification And Regression Tree (CART), Dashboard Creation, Dashboard, Decision Intelligence, Descriptive Statistics, Root Cause Analysis, Data Analysis, Predictive Modeling, Advanced Analytics, Tableau Software, Scikit Learn (Machine Learning Library), Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Natural Language Processing, Apache Spark, Keras (Neural Network Library), Retrieval-Augmented Generation, Reinforcement Learning, Apache Kafka, SQL
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Fraud detection, Anomaly Detection, Loss Prevention, R Programming, R (Software), Analytical Skills, Machine Learning Methods, Unsupervised Learning, Financial Data, Risk Analysis, Analytics, Business Strategies, Data-Driven Decision-Making, Supervised Learning, Big Data
Beginner · Course · 1 - 4 Weeks