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: 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

Coursera
Skills you'll gain: Star Schema, Data Modeling, Database Design, Data Warehousing, Dashboard, Business Reporting, Dashboard Creation, Business Intelligence, Business Process, Business Intelligence Software, Self Service Technologies, Performance Tuning
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Flutter (Software), Data Persistence, JSON, Data Store, UI Components, User Interface (UI), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Database Development, Databases, Debugging, Database Management, Application Development, Data Access, Mobile Development, Program Development, Cloud API, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Data Analysis Expressions (DAX), Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Processing, Data Presentation, Data Transformation, Data Analysis, Data Visualization, Data Manipulation, Descriptive Statistics, Statistical Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, SQL, Apache Airflow, Extract, Transform, Load, JSON, Pandas (Python Package), Data Manipulation, Data Warehousing, Database Design, Star Schema, Query Languages, Data Transformation, Performance Tuning, Real Time Data, Big Data, Data Validation, Performance Analysis, Data Quality, Verification And Validation
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Presentation, Data Visualization, Microsoft Excel, Data Literacy, Data Visualization Software, Spreadsheet Software, Pivot Tables And Charts, Data Analysis, Data Science, Exploratory Data Analysis, Analysis, Productivity Software, Microsoft 365
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Exploratory Data Analysis, Feature Engineering, Dashboard Creation, Interactive Data Visualization, Data Presentation, Model Evaluation, Data Visualization, Data Pipelines, Project Documentation, Solution Delivery, Data Storytelling, Amazon Web Services, Data Analysis, Technical Documentation, Business Intelligence, Cloud Infrastructure, Technical Communication, Automation, Project Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Airflow, Dataflow, Extract, Transform, Load, Data Pipelines, Apache Kafka, Real Time Data, AWS Kinesis, Data Validation, Data Warehousing, System Monitoring, Event Monitoring, Data Infrastructure, Data Collection, Data Integrity, Snowflake Schema, Continuous Monitoring, Automation, Data Quality, Data Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Generative AI, Data Ethics, Prompt Engineering, Interactive Data Visualization, Plotly, Responsible AI, Data Visualization Software, Dashboard, Matplotlib, AI literacy, Decision Intelligence, Seaborn
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Data Governance, Data Management, Apache Spark, PySpark, Databricks, Record Keeping
Intermediate · Course · 1 - 4 Weeks

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