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.

Skills you'll gain: Data-Driven Decision-Making, Data Presentation, Data Storytelling, Data Literacy, Data Analysis, Data Ethics, Exploratory Data Analysis, Analytical Skills, Descriptive Analytics
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Text Mining, Unstructured Data, Data Analysis, Exploratory Data Analysis, Data Visualization, Data Preprocessing, Data Presentation, Data Visualization Software, Model Evaluation, Natural Language Processing, Technical Writing, Algorithms
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data-Driven Decision-Making, Microsoft Excel, Data Storytelling, Data Visualization, Excel Formulas, Data Analysis, Statistical Reporting, Data Presentation, Customer Analysis, Spreadsheet Software, Case Studies, Descriptive Analytics, Research Reports, Statistical Analysis, Performance Analysis, Descriptive Statistics, Google Sheets
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization, Data Visualization Software, Statistical Visualization, Data Storytelling, Data Manipulation, Data Presentation, Dashboard Creation, Statistical Reporting, Data Wrangling, Dashboard, Data Cleansing, R Programming, Tidyverse (R Package), Data Preprocessing, Data Import/Export, Graphing
Mixed · Course · 1 - 4 Weeks

Technics Publications
Skills you'll gain: Data Modeling, Database Design, Data Architecture, Relational Databases, Database Management Systems, Data Engineering, Data Strategy, Database Software, Database Development, Database Theory, Graph Theory, Database Administration, Database Architecture and Administration, Database Management, Databases, Database Systems, Data Governance, Business Analysis, Document Management, Business Analytics
Beginner · Course · 3 - 6 Months

Technics Publications
Skills you'll gain: Data Modeling, Database Design, Network Model, Data Architecture, Database Development, Data Strategy, Database Software, Database Theory, Databases, Database Application, Database Administration, Relational Databases, Database Systems, Database Management Systems, Data Governance, Database Architecture and Administration, Database Management, Business Analysis, Graph Theory, Business Analytics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Probability & Statistics, Data Ethics, Pandas (Python Package), Machine Learning Methods, Statistical Methods, Bayesian Statistics, Data Literacy, Data Wrangling, Statistics, Data Science, Responsible AI, Probability, Data Visualization, Machine Learning, Applied Machine Learning, Data Processing, Data Architecture, Python Programming, Data Mapping, Data Integrity
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: People Analytics, Report Writing, Statistical Reporting, Data Literacy, Business Reporting, Management Reporting, Data Presentation, Excel Formulas, Data Storytelling, Data Analysis, Business Writing, Microsoft Excel, Analytics, Statistical Methods, Plot (Graphics), Technical Communication, Statistical Hypothesis Testing, Executive Presence, Stakeholder Communications, Persuasive Communication
Advanced · Course · 1 - 3 Months

Tableau Learning Partner
Skills you'll gain: Exploratory Data Analysis, Tableau Software, Data Preprocessing, Plot (Graphics), Data Analysis, Descriptive Statistics, Predictive Analytics, Box Plots, Statistical Analysis, Scatter Plots, Data Visualization Software, Trend Analysis, Analytics, Histogram, Data Manipulation, Regression Analysis, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Data Modeling, Python Programming, Object Oriented Programming (OOP), Data Persistence, Context Management, Data Structures, Memory Management
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Datamaps, Data Science, Spatial Data Analysis, Data Processing, Data Preprocessing, Machine Learning, Geographic Information Systems, Data Visualization, Data Analysis, Data Integration, Amazon Web Services, Cloud Computing, Matlab, Model Training, Data Cleansing, Regression Analysis, Classification Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Pipelines, Data Integration, Data Processing, Data Quality
Beginner · Course · 1 - 4 Weeks