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.

Google Cloud
Skills you'll gain: Dataflow, Google Cloud Platform, Data Pipelines, Apache Kafka, Real Time Data, Extract, Transform, Load, Data Integration, Data Processing, Data Import/Export, Time Series Analysis and Forecasting, Analysis, Data Transformation, Data Storage, Managed Services
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Preprocessing, Data Pipelines, AI Workflows, Java Programming, Java, Data Processing, Feature Engineering, Data Wrangling, Data Import/Export, Data Cleansing, Data Quality, Model Training, Data Transformation, Data Validation, Model Deployment, Big Data, Data Integrity, Data Access, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Logistic Regression, Model Evaluation, Statistical Inference, Predictive Analytics, R Programming, Predictive Modeling, Probability & Statistics, Statistical Modeling, Statistical Methods, Biostatistics, Regression Analysis, Statistical Analysis, Statistical Hypothesis Testing, Data Analysis, Epidemiology, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Kinesis, Amazon DynamoDB, Amazon S3, Amazon Web Services, Data Pipelines, Amazon CloudWatch, Cloud Storage, Database Development, Real Time Data, Data Storage, Data Management, Cloud Security, Encryption, Scalability
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Business Analytics, Data Visualization Software, Analytical Skills, Exploratory Data Analysis, Data Quality, Data Analysis, Data-Driven Decision-Making, Extract, Transform, Load, Analytics, Data Manipulation, Descriptive Statistics, Data Processing, SQL, Python Programming, Application Programming Interface (API)
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Memory Management, Software Visualization, Performance Tuning
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Probability & Statistics, Microsoft Excel, Descriptive Statistics, Box Plots, Statistical Methods, Probability Distribution, Statistical Visualization, Data Visualization, Probability, Statistics, Excel Formulas, Plot (Graphics), Business Mathematics, Spreadsheet Software, Data-Driven Decision-Making, Mathematical Theory & Analysis, Algebra, Bayesian Statistics, Arithmetic, Case Studies
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Sheets, Data Cleansing, Data Validation, Data Wrangling, Data Entry, Spreadsheet Software, Data Quality, Data Manipulation, Data Analysis, Data Transformation
Intermediate · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Probability, Box Plots, Histogram, Probability Distribution, Probability & Statistics, Scatter Plots, Statistics, Microsoft Excel, Excel Formulas, Data Analysis, Statistical Methods, Spreadsheet Software, Bayesian Statistics
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Modeling, R Programming, Statistical Methods, Linear Algebra, Data Science, Mathematical Modeling, Data Modeling, Predictive Modeling, Statistics, Statistical Analysis, Applied Mathematics, General Mathematics, Derivatives
Advanced · Course · 1 - 3 Months

Skills you'll gain: GIS Software, Model Evaluation, Geographic Information Systems, Extract, Transform, Load, Spatial Analysis, Data Visualization, Spatial Data Analysis, Geospatial Mapping, Data Pipelines, Geospatial Information and Technology, Apache Airflow, Geostatistics, Interactive Data Visualization, Scientific Visualization, Data Visualization Software, Cloud Computing, Leaflet (Software), Environmental Monitoring, Pandas (Python Package), Python Programming
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Calculus, Data Analysis Software, Mathematical Software, Applied Mathematics, Data Analysis, Analysis, Mathematical Theory & Analysis, Derivatives, Advanced Mathematics, Graphing, Algebra
Beginner · Course · 1 - 3 Months