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: Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Spreadsheet Software, Data Presentation, Data Visualization Software, Microsoft Copilot, Statistical Analysis, Data Analysis, Data Synthesis, Statistical Methods, Data Integration, Data-Driven Decision-Making
★ 4.1 (42) · Beginner · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Social Network Analysis, Network Analysis, Theoretical Computer Science, Probability & Statistics
★ 4.8 (2K) · Intermediate · Course · 1 - 4 Weeks

Schneider Electric
Skills you'll gain: Data Centers, Sustainable Technologies, Internet Of Things, AI Enablement, Climate Change Mitigation, Electrical Power, Information Technology, Manufacturing Operations, Manufacturing Processes, Data Infrastructure, Electric Power Systems, Digital Transformation, Transportation Operations, AI Integrations, Automation, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Import/Export, NumPy, Pandas (Python Package), Pivot Tables And Charts, Business Reporting, Data Manipulation, Analytics, Data Cleansing, Data Analysis, Data Transformation, Data Management, Linear Algebra
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Scatter Plots, Histogram, Correlation Analysis, Data Visualization, Data Manipulation, Plot (Graphics), Data Wrangling, Data Import/Export, JSON, Statistical Visualization, Data Cleansing, Data Transformation, Data Visualization Software, Data Preprocessing, Exploratory Data Analysis, Data Analysis, Python Programming
★ 4.7 (30) · Intermediate · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Data Maintenance, Data Quality, Data Cleansing, Model Training, Computer Vision, Data Visualization, Data Preprocessing, Deep Learning, Image Analysis, Model Evaluation, Model Optimization, AI Workflows, Verification And Validation, Exploratory Data Analysis
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Dr. Jonathan Reichental
Skills you'll gain: Data Governance, Data Management, Governance, Data Ethics, Data Quality, Data Dictionary, Governance Risk Management and Compliance, Data Modeling, Data Integrity, Data Security, General Data Protection Regulation (GDPR), Responsible AI, Information Privacy, Risk Management, Data Transformation, Regulatory Compliance, Data Science, Data Pipelines, Cyber Security Policies, Cybersecurity
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Descriptive Statistics, R (Software), Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Analysis Software, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Statistical Software, Statistical Programming, Data Manipulation
★ 4.3 (19) · Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Interactive Data Visualization, Data Visualization, Statistical Inference, Data Visualization Software, Data Presentation, Correlation Analysis, Microsoft Excel, Data Literacy, Spreadsheet Software, Probability & Statistics, Statistics, Regression Analysis, Statistical Hypothesis Testing, Data Analysis, Statistical Methods, Excel Formulas, Statistical Analysis, Sampling (Statistics), Statistical Software
★ 4.6 (21) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, AWS Kinesis, Amazon DynamoDB, Amazon S3, AWS Identity and Access Management (IAM), Data Infrastructure, Dataflow, Data Storage Technologies, Data Storage, Big Data, Cloud Storage, Real Time Data, Internet Of Things, Data Processing, Cloud Computing, Operational Databases, Data Security, Data Collection, Scalability
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Integration, Data Modeling, Data Architecture, Star Schema, Data Governance, Database Design, Data Integrity, Operational Data Store, Snowflake Schema, SQL, Relational Databases, Query Languages, Data Mining, Data Quality, Data Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Data Visualization, Data Visualization Software, Excel Formulas, Dashboard, Case Studies, Data Analysis, Business Analytics, Data Presentation, Exploratory Data Analysis, Business, Analysis, Graphing
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks