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.

Cisco Learning and Certifications
Skills you'll gain: Virtual Networking, Data Centers, vSphere Networking and Storage, Software-Defined Data Center (SDDC), Virtual Local Area Network (VLAN), Virtualization, VMware ESX Servers, Software-Defined Networking, Network Architecture, vCenter Server, Network Infrastructure, Network Switches, Virtualization and Virtual Machines, Virtual Machines, Network Administration, Network Protocols, vSphere DRS & HA, Routing Protocols, Network Routing, Control Panels
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Preprocessing, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Data Transformation, Data Processing, Logistic Regression
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Conversion Funnel Analysis, Data Preprocessing, Apache Airflow, Star Schema, Data Storytelling, Extract, Transform, Load, Data Transformation, SQL, Data Pipelines, JSON, Apache Kafka, Data Warehousing, Data Modeling, Pandas (Python Package), Business Intelligence, Data Validation, Data Quality, Performance Improvement, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Content Performance Analysis, Social Media Analytics, Content Optimization, AI Personalization, Data Analysis, Data Literacy, Analytics, Key Performance Indicators (KPIs), Driving engagement, AI Enablement, Trend Analysis, Data-Driven Decision-Making, Strategic Decision-Making, Content Strategy, Benchmarking, A/B Testing, Customer Retention, User Feedback, Data Presentation, Goal Setting
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Multimodal Prompts, Embeddings, Large Language Modeling, Generative AI, Data Processing, Data Pipelines, Image Analysis, Prompt Engineering, Unstructured Data, Natural Language Processing, Text Mining, Computer Vision, Vector Databases, Data Capture, Sampling (Statistics)
Intermediate · Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Generative AI, Microsoft Copilot, Generative Model Architectures, Generative Adversarial Networks (GANs), Natural Language Processing, Data Quality, Anomaly Detection, AI literacy, Data Storytelling, Responsible AI, Data Visualization, Data Ethics, Data-Driven Decision-Making, Data Presentation, Data Pipelines, Data Cleansing, Data Visualization Software, Data Preprocessing, Data Science, Critical Thinking
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Apache Airflow, Data Warehousing, Data Flow Diagrams (DFDs), Data Lakes, Data Pipelines, Diagram Design, Data Integration, Performance Tuning, Data Governance, Cloud Deployment, Data Management, Data Modeling, Data Mapping, Dataflow, Extract, Transform, Load, Trend Analysis, Service Level Agreement, SQL, Apache Kafka, Python Programming
Intermediate · Specialization · 3 - 6 Months

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Market Data, Data Ethics, Financial Data, Investments, Data Collection, Due Diligence, Financial Services, Big Data, Analytics, Investment Management, Data-Driven Decision-Making, Financial Market, Business Ethics, Data Quality, Corporate Sustainability, Financial Industry Regulatory Authorities, Sustainable Business, Portfolio Management, Accountability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Feature Engineering, Predictive Modeling, Anomaly Detection, Predictive Analytics, Prompt Engineering, Trend Analysis, Time Series Analysis and Forecasting, Forecasting, Advanced Analytics, Data Analysis, Text Mining, Unstructured Data, Data-Driven Decision-Making, Data Mining, Deep Learning, Data Transformation, Data Cleansing, Machine Learning, Data Visualization
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, Tidyverse (R Package), R Programming, Data Quality, R (Software), Data Processing, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours

University of Amsterdam
Skills you'll gain: Lean Six Sigma, Statistical Hypothesis Testing, Minitab, Statistical Visualization, Six Sigma Methodology, Regression Analysis, Graphing, Probability Distribution, Statistical Methods, Data Analysis, Lean Methodologies, Statistical Analysis, Statistical Software, Statistical Modeling, Probability & Statistics, Data-Driven Decision-Making, Analytics, Data Analysis Software, Process Improvement, Statistics
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, Java Programming, Software Testing, Program Development, Performance Tuning, Algorithms, Performance Testing, Object Oriented Programming (OOP), Theoretical Computer Science
Intermediate · Course · 1 - 3 Months