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: jQuery, Data Structures, Javascript and jQuery, Programming Principles, Data Management, Microsoft Development Tools
Intermediate · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Biostatistics, Molecular Biology, Analysis, Data Visualization Software, Database Software, Health Informatics, Data Analysis, Data Synthesis, Life Sciences, Statistical Methods, Data Mining, Exploratory Data Analysis, Technical Communication, Unsupervised Learning, Data Processing, Tree Maps, Scientific Visualization, Databases
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: R Programming, R (Software), Data Visualization, Time Series Analysis and Forecasting, Interactive Data Visualization, Tidyverse (R Package), Data-Driven Decision-Making, Trend Analysis, Rmarkdown, Data Analysis, Predictive Modeling, Data Cleansing, Data Manipulation, Forecasting, Business Strategy, Demand Planning, Data Preprocessing, Model Evaluation, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

University of Cape Town
Skills you'll gain: Biostatistics, Statistical Methods, Statistical Hypothesis Testing, Diagnostic Tests, Clinical Research, Statistical Analysis, Quantitative Research, Statistics, Descriptive Statistics, Statistical Inference, Data Collection, Probability
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Sales Territory Management, Enterprise Sales, Cold Calling, Lead Generation, Selling Techniques, Sales Training, B2B Sales, Sales Management, Sales, AI Personalization, Responsible AI, Sales Prospecting, Sales Enablement, Consultative Selling, Generative AI Agents, Sales Pipelines, Customer Relationship Management, Business Process, Business Strategy, Customer Engagement
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Feature Engineering, Responsible AI, Model Evaluation, Technical Communication, Data Preprocessing, Data Transformation, Performance Analysis, Data Wrangling, Data Cleansing, Data Analysis, Predictive Modeling, Machine Learning, Artificial Intelligence, Embeddings, Decision Support Systems, Scikit Learn (Machine Learning Library), Pandas (Python Package), Debugging
Intermediate · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Inference, Statistical Methods, Data-Driven Decision-Making, Quantitative Research, Statistical Analysis, Decision Making, Probability Distribution
Intermediate · Course · 1 - 3 Months

Skills you'll gain: QuickBooks (Accounting Software), Vendor Management, Ledgers (Accounting), Accounting Software, Inventory and Warehousing, Payroll Processing, Financial Reporting, Business Reporting, Customer Data Management, Management Reporting, Financial Analysis, Payroll, Billing & Invoicing, Sales Management, Project Accounting, Small Business Accounting, Accounting Systems, Business Software, Business, Business Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: R Programming, Predictive Analytics, Applied Machine Learning, Data-Driven Decision-Making, Analytics, Data Science, Feature Engineering, Data Preprocessing, Machine Learning, Telemarketing, Model Deployment
Intermediate · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Operations Research, Supply Chain, Workforce Management, Business Analytics, Applied Mathematics, Mathematical Modeling, Process Optimization, Manufacturing Operations, Operations Management, Workforce Planning, Financial Modeling, Business Analysis, Microsoft Excel, Resource Allocation, Finance, Analytics, Production Planning, Portfolio Management, Investment Management, Decision Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: A/B Testing, Google Analytics, Customer Insights, Marketing Analytics, Target Audience, Digital Advertising, Online Advertising, Social Media Campaigns, Advertising Campaigns, Performance Measurement, Business Metrics, Key Performance Indicators (KPIs), Consumer Behaviour, AI Enablement, Data Analysis
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Google Cloud Platform, Generative AI Agents, Google Workspace, Data Access, Cloud Security, Enterprise Architecture, AI Workflows, Data Security, Agentic systems, Application Deployment, Data Integration
Beginner · Course · 1 - 3 Months