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: Unix Commands, Bioinformatics, Unix, Data Management, Command-Line Interface, Linux Commands, Molecular Biology, Big Data, File Management, Data Analysis Software, Data Processing
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Business Intelligence, Data Analysis, Data Presentation, Business Analytics, Microsoft Office, Microsoft 365, Data Wrangling, Data Visualization, Productivity Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Microsoft PowerPoint, Data Storytelling, Microsoft Excel, Trend Analysis
Intermediate · Course · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Financial Statement Analysis, Financial Analysis, Business Analytics, Regression Analysis, Descriptive Statistics, Data Analysis, Data-Driven Decision-Making, Statistical Inference, Financial Accounting, Balance Sheet, Cash Flows, Income Statement, Working Capital, Statistical Methods, International Finance, Business Economics, Economics, Market Dynamics, Business Planning, Business Strategy
Intermediate · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Data Storytelling, Statistical Process Controls, Data Literacy, Process Mapping, Data Ethics, Data Presentation, Data-Driven Decision-Making, Data Collection, Process Improvement, Data Visualization Software, Business Process, Business Analytics, Tableau Software, Analytics, Data Analysis, Root Cause Analysis, Minitab, Lean Methodologies, Six Sigma Methodology, Process Analysis
Beginner · Specialization · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Presentation, Matplotlib, Analytics, Probability Distribution, Data Processing, Statistical Methods, Exploratory Data Analysis, Statistical Analysis, Probability, Data Cleansing, Computer Programming Tools, Data Collection, Performance Measurement, Python Programming, Technical Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Dataflow, Real Time Data, Google Cloud Platform, Data Pipelines, Data Warehousing, Extract, Transform, Load, Data Preprocessing, Apache Airflow, Data Governance, Big Data, Tensorflow, Feature Engineering, Data Lakes, Workflow Management, Dashboard, Apache Spark, Metadata Management, Data Processing, Data Management
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Visualization, Statistical Visualization, Ggplot2, Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Statistical Reporting, Data Manipulation, Scatter Plots, Data Wrangling, Histogram
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Data Visualization, Data Visualization Software, Data Transformation, Data Presentation, Data Ethics, Tableau Software, Data Analysis, Data Manipulation, Data Preprocessing, Data Cleansing, Pandas (Python Package), Data Validation, Python Programming
Advanced · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Bayesian Statistics, Machine Learning Algorithms, Model Evaluation, Statistical Analysis, Statistical Inference, Data Analysis, Exploratory Data Analysis, Regression Analysis, Probability & Statistics, Data Cleansing, Analytics, Logistic Regression, Machine Learning, R Programming, Data Preprocessing, Statistical Modeling, Statistical Methods, R (Software), Data Mining, Data Science
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Exploratory Data Analysis, Rmarkdown, R (Software), Tidyverse (R Package), Statistical Visualization, Data Visualization, Data Visualization Software, R Programming, Ggplot2, Data Wrangling, Scatter Plots, Data Manipulation, Histogram, Scripting, Package and Software Management, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Seaborn, Data Literacy, Plot (Graphics), Matplotlib, Scatter Plots, Statistical Visualization, Data Presentation, Data Visualization Software, Data Visualization, Box Plots, Exploratory Data Analysis, Data Storytelling, Data Processing, Data-Driven Decision-Making, Statistical Modeling, Statistical Analysis, Descriptive Statistics, Pandas (Python Package), NumPy, Python Programming
Beginner · Specialization · 1 - 3 Months