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: Excel Formulas, Google Sheets, Service Level, Spreadsheet Software, Customer Data Management, Customer Support, Google Workspace, Productivity Software, Data Entry, Customer Service, Data Validation, Customer Analysis, Data Analysis, Data Integration, Organizational Skills, Data Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Bookkeeping, Month End Closing, Accounting Software, QuickBooks (Accounting Software), Ledgers (Accounting), Balancing (Ledger/Billing), Data Entry, Accounting, Accounting Records, Accounting Systems, Data Import/Export, General Accounting, Microsoft Excel, Expense Management, General Ledger, Accrual Accounting, Transaction Processing, Financial Data, Data Transformation, Spreadsheet Software
Beginner · Course · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Power BI, Databricks, Data Processing, Database Administration, Microsoft SQL Servers, Data Warehousing, Database Theory, Databases, Cloud Services, Data Architecture, NoSQL, Relational Databases, Database Systems, Cloud Storage, Database Management Systems, MySQL, Data Store, SQL
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Applied Machine Learning, Predictive Modeling, Jupyter, Predictive Analytics, Model Evaluation, Model Optimization, Data Analysis, Machine Learning, Data Science, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Tableau Software, Data Storytelling, Dashboard, Data Presentation, Dashboard Creation, Interactive Data Visualization, Data Visualization Software, Geospatial Information and Technology, Data Visualization, Forecasting, Spatial Data Analysis, Time Series Analysis and Forecasting, Statistical Visualization, Data Analysis, Predictive Analytics, Exploratory Data Analysis, Color Theory, Business Analytics, Marketing Analytics, Analytics
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Analysis Software, Power BI, Data Analysis, Data Synthesis, Data Transformation, Timelines, Data Manipulation, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Development Testing, Algorithms, Program Development, Software Testing, Java, Test Automation, Test Case, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Descriptive Statistics, Bayesian Statistics, Statistical Hypothesis Testing, Probability & Statistics, Sampling (Statistics), Statistical Methods, Probability Distribution, Probability, Statistical Inference, Statistics, A/B Testing, Statistical Analysis, Statistical Machine Learning, Data Science, Exploratory Data Analysis, Correlation Analysis, Histogram, Statistical Visualization, Box Plots
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Development Environment, Engineering Software, Computer Programming, Software Engineering, Data Structures, Memory Management, Computer Programming Tools, Debugging, Program Development
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Clinical Data Management, Data Quality, Quality Assurance, Clinical Trial Management Systems, Case Report Forms, Clinical Trials, Data Maintenance, Clinical Monitoring, Data Cleansing, Data Management, Data Integrity, Clinical Research, Microsoft Excel, Data Compilation, Data Collection, Data Sharing, Data Security, Treatment Planning, Statistical Analysis
Beginner · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: SQL, Databases, Data Manipulation, Data Analysis, Relational Databases, Data Access, Business Intelligence, Query Languages, Data Warehousing, Data Transformation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Apache Hive, Big Data, IBM Cloud, Kubernetes, Docker (Software), Scalability, Data Processing, Development Environment, Distributed Computing, Performance Tuning, Open Source Technology, Data Transformation, Debugging
Intermediate · Course · 1 - 3 Months