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.

Illinois Tech
Skills you'll gain: Time Series Analysis and Forecasting, Statistical Analysis, Machine Learning Algorithms, Model Evaluation, Statistical Programming, Data Analysis, Exploratory Data Analysis, Data Science, Statistical Machine Learning, Statistical Reporting, Statistical Methods, Probability & Statistics, Data Cleansing, Forecasting, Analytics, Statistical Inference, R Programming, Statistical Modeling, Machine Learning, Data Visualization
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
Google Cloud
Skills you'll gain: Email Security, Data Governance, Data Loss Prevention, Data Security, Data Management, Google Workspace, Personally Identifiable Information, Record Keeping, Security Controls
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: PySpark, Data Pipelines, Dashboard, Data Processing, Data Storage Technologies, Data Visualization, Natural Language Processing, Data Analysis Expressions (DAX), Data Storage, Data Transformation, Machine Learning, Deep Learning, Logistic Regression
Intermediate · Specialization · 3 - 6 Months

Nanjing University
Skills you'll gain: Data Processing, Object Oriented Programming (OOP), Data Analysis, Data Structures, Statistical Methods, Web Scraping, Matplotlib, Pandas (Python Package), Data Visualization Software, Python Programming, NumPy, Data Manipulation, User Interface (UI)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Health Insurance Portability And Accountability Act (HIPAA) Compliance, Medical Privacy, Medical Records, Health Information Management and Medical Records, Electronic Medical Record, Health Information Management, Data Entry, Personally Identifiable Information, Medical Office Procedures, Patient Registration, Health Informatics, Data Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Data Validation, Pivot Tables And Charts, Microsoft Excel, Data Visualization, Scatter Plots, Histogram, Data Integrity, Excel Formulas, Spreadsheet Software, Forecasting, Data Analysis, Debugging, Visual Basic (Programming Language), Automation
Beginner · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Data Analysis, Data Visualization, Analytical Skills, Report Writing, Data Science, Data Management, Big Data, Statistical Analysis, Real Time Data, Research, Research Design
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Data Transformation, Data Wrangling, Data Manipulation, Pandas (Python Package), Query Languages, Consolidation, Time Series Analysis and Forecasting, Analytics, Pivot Tables And Charts, Apache Spark
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Plotly, Seaborn, Data Visualization Software, Data Visualization, Statistical Visualization, Interactive Data Visualization, Scatter Plots, Box Plots, Heat Maps, Histogram
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Apache Hadoop, Big Data, Apache Spark, NoSQL, Apache Kafka, Distributed Computing, Real Time Data, Apache Hive, Data Infrastructure, Data Lakes, Data Storage Technologies, Data Ethics, Database Management Systems, Cloud Computing, Data Processing, Databases, Scalability, Data Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Plotly, Interactive Data Visualization, Data Visualization Software, Scatter Plots, Ggplot2, Data Analysis, Python Programming, Data Science, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Statistical Visualization, Data Visualization Software, Data Visualization, Scatter Plots, Plot (Graphics), Box Plots, Exploratory Data Analysis, Histogram, Descriptive Statistics, Heat Maps, Graphing
Intermediate · Course · 1 - 3 Months