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: 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
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Database Design, Data Integration, Social Media Analytics, Extensible Markup Language (XML), Database Management Systems, Database Management, JSON, Data Processing, Distributed Computing, Data Analysis, Analytics, Scalability, Extensible Languages and XML, Data Pipelines, Query Languages, Data Cleansing, Dataflow
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Copilot, Natural Language Processing, AI literacy, Data Storytelling, Data Visualization, Data-Driven Decision-Making, Data Presentation, Generative AI, Data Visualization Software, Data Analysis, Responsible AI, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Gmail, Data Governance, Data Management, Google Workspace, Data Loss Prevention, Information Management, Records Management, Email Security, Data Security, Data Storage, System Configuration, Compliance Management, Record Keeping, Regulatory Compliance, Regulatory Requirements, Data Import/Export
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Architecture, Salesforce, Salesforce Object Query Language (SOQL), Salesforce Development, Scalability, Data Integration, Data Migration, Data Validation, Data Quality, Data Import/Export, Enterprise Architecture, Database Architecture and Administration, Database Design, Data Modeling, Data Cleansing, Data Mapping, Data Integrity, Web Services, Governance, Simple Object Access Protocol (SOAP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Java Programming, Java, Computer Programming, Applied Mathematics, Geometry, Problem Solving
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Wrangling, Command-Line Interface, Data Transformation, Data Processing, Data Pipelines, Extract, Transform, Load, Google Cloud Platform, Data Integration, Data Management, Database Administration
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Dashboard, Dashboard Creation, Data Presentation, Tableau Software, Data Visualization Software, Data Literacy, Descriptive Analytics, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Looker (Software), Data Visualization Software, Performance Metric, Marketing Analytics, Interactive Data Visualization, Data Storytelling, Data-Driven Marketing, Business Reporting, Data Presentation, Trend Analysis, Dashboard Creation, Grafana, Data Literacy, Tableau Software, Performance Reporting, Power BI, Time Series Analysis and Forecasting, Descriptive Analytics, Data Sharing, Data Integration
Beginner · Course · 1 - 4 Weeks
Microsoft
Skills you'll gain: Fine-tuning, Generative AI, Model Optimization, Large Language Modeling, Data Ethics, LLM Application, Responsible AI, Feature Engineering, AI Security, Advertising, Marketing, Anomaly Detection, Data Synthesis, Information Privacy
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Java, Data Structures, File I/O, Java Programming, Data Access, Data Cleansing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Data Infrastructure, Databases, Application Deployment, SQL, Applied Machine Learning, Database Development, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management
Beginner · Specialization · 3 - 6 Months