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.
CertNexus
Skills you'll gain: Machine Learning, Data Storytelling, Stakeholder Engagement, Data Presentation, Stakeholder Communications, MLOps (Machine Learning Operations), Web Applications, Model Deployment, Project Closure, Data-Driven Decision-Making, Data Visualization, Data Science, Communication, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Plotly, Data Presentation, Matplotlib, Interactive Data Visualization, Seaborn, Data Visualization, Data Visualization Software, Statistical Visualization, Scatter Plots
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization Software, Exploratory Data Analysis, Data Presentation, Data Storytelling, Scatter Plots, Tidyverse (R Package), R Programming, Box Plots, Histogram, Animations, Data Manipulation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Professional Networking, Data Analysis, Interviewing Skills, Business Writing, Verbal Communication Skills, Job Analysis, Presentations, Recruitment, Relationship Building, Market Research, Analytical Skills, Portfolio Management
Beginner · Course · 1 - 4 Weeks

University of Huddersfield
Skills you'll gain: Linear Algebra, Matplotlib, Computational Logic, Theoretical Computer Science, Graph Theory, Data Visualization Software, Algebra, Python Programming, Data Analysis, Computational Thinking, Algorithms, Logical Reasoning, Data Manipulation, Statistical Analysis, Data Structures, Data Science, Computer Science, Advanced Mathematics, Numerical Analysis, Applied Mathematics
Earn a degree
Degree · 1 - 4 Years

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Security, Data Loss Prevention, Data Security, Personally Identifiable Information, Information Privacy, Cloud Computing, Google Cloud Platform, Cloud Services
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Generative AI, Exploratory Data Analysis, Generative Model Architectures, Data Ethics, Feature Engineering, Predictive Modeling, AI Enablement, Responsible AI, Data Visualization, Data Science, Data Synthesis, Data Preprocessing, Data Analysis, Data Manipulation, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Processing, Data Cleansing, Data Visualization, Data Analysis, Data Modeling, Python Programming, Data Visualization Software, Exploratory Data Analysis, Web Scraping, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Anomaly Detection, Predictive Modeling, Text Mining, Predictive Analytics, Advanced Analytics, Data Cleansing, Prompt Engineering, Natural Language Processing, Unstructured Data, Data Analysis, Data Preprocessing, Statistical Analysis, Time Series Analysis and Forecasting, Model Evaluation, Exploratory Data Analysis
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Entry, Data Validation, Data Integrity, Data Capture, Data Processing, Data Management, Spreadsheet Software, Computer Literacy
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Extract, Transform, Load, Data Warehousing, Data Mining, Business Intelligence, Star Schema, Snowflake Schema, Data Modeling, Unsupervised Learning, Business Analytics, Data-Driven Decision-Making, Predictive Modeling, Cloud Computing, Market Analysis, Supervised Learning, Classification Algorithms
Beginner · Course · 1 - 4 Weeks