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.

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, Data Mapping, AI Integrations, Data Governance, AI Workflows, Data Pipelines, Data Transformation, Governance, Data Integrity, Data Quality, Information Assurance, Risk Modeling, Metadata Management, Automation, Data Security
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Modeling, Graphing, Mathematical Modeling, Algebra, Trigonometry, Linear Algebra, Calculus, General Mathematics, Mathematical Software, Applied Mathematics, Geometry
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Import/Export, Data Visualization Software, Data Visualization, Data Presentation, Interactive Data Visualization, Extract, Transform, Load, Dashboard Creation, Histogram, Data Transformation, Apache Kafka, Data Pipelines, Amazon S3, MySQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Dashboard, Dashboard Creation, Microsoft Excel, Business Reporting, Excel Formulas, Spreadsheet Software, Performance Reporting, Case Studies, People Analytics, Performance Analysis, Business Analytics, Variance Analysis, Trend Analysis, Data Analysis, Employee Performance Management, Performance Measurement, Project Documentation, Business Process Automation, Data Presentation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Trend Analysis, Financial Acumen, Financial Analysis, Data Import/Export, Business Reporting, Financial Data, Data Wrangling, Analytical Skills, Data Transformation, Accounting Records, Microsoft Excel, Data Literacy, Transaction Processing, Performance Analysis, Financial Reporting, Data Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Presentation, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, File Management, Microsoft Azure, Azure Synapse Analytics, Information Management, Data Management, Databricks, Data Storage Technologies, Data Security
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Time Series Analysis and Forecasting, Data Visualization, Statistical Visualization, Plot (Graphics), Data Preprocessing, Box Plots, Anomaly Detection, Plotly, Exploratory Data Analysis, Data Processing, Descriptive Analytics, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Apache Spark, Scala Programming, Spring Boot, Java Programming, Development Environment, Apache, JSON, Data Processing, Information Architecture, Data Transformation, Solution Design, Content Management, Data Import/Export, Performance Tuning, Software Architecture, Data Validation, System Configuration
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: SPSS (Software), SPSS, Statistical Hypothesis Testing, Correlation Analysis, Data Visualization, Descriptive Statistics, Advanced Analytics, Statistical Visualization, Data Analysis, Regression Analysis, Descriptive Analytics, Statistical Analysis, Statistical Reporting, Statistical Software, Data-Driven Decision-Making, Exploratory Data Analysis, Data Analysis Software, Statistical Methods, Statistical Inference, Probability & Statistics
Beginner · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Database Management Systems, System Design and Implementation, Programming Principles, Algorithms, Data Storage, Computer Programming
Intermediate · Course · 1 - 3 Months

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