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.

Johns Hopkins University
Skills you'll gain: Biostatistics, Logistic Regression, Regression Analysis, Statistical Methods, Statistical Analysis, Data Literacy, Quantitative Research, Public Health, Statistical Modeling, Statistics, Probability & Statistics, Statistical Inference, Statistical Hypothesis Testing, Risk Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hugging Face, Large Language Modeling, Transfer Learning, Recurrent Neural Networks (RNNs), Embeddings, Python Programming, Fine-tuning, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, People Analytics, Business Reporting, Business Intelligence, Data Storytelling, Business Analysis, Business Analytics, Data Validation, Data Transformation
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Financial Statement Analysis, Working Capital, Financial Statements, Financial Analysis, Accounts Receivable, Financial Data, Financial Planning, Financial Controls, Finance, Financial Management, Financial Accounting, Business Planning, Balance Sheet, Income Statement, Business Management, Cash Flows
Mixed · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Geospatial Information and Technology, Spatial Analysis, GIS Software, Spatial Data Analysis, Geographic Information Systems, Geospatial Mapping, Construction Engineering, Database Management, Database Management Systems, Construction, Construction Management, ArcGIS, Relational Databases, Visualization (Computer Graphics), Civil and Architectural Engineering, Global Positioning Systems, Data Mapping, Building Information Modeling, Survey Creation, Engineering, Scientific, and Technical Instruments
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Data Analysis, Machine Learning Algorithms, Statistical Analysis, Probability & Statistics, Probability Distribution, R Programming, Machine Learning Methods, Statistical Methods, R (Software), Applied Machine Learning, Statistical Machine Learning, Statistics, Statistical Modeling, Machine Learning, Statistical Inference, Classification Algorithms, Statistical Programming, Correlation Analysis, Data Manipulation, Supervised Learning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: PL/SQL, SQL, Business Logic, Stored Procedure, Database Design, Oracle Databases, Database Management, Database Development, Relational Databases, Data Integrity, Scalability
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Preprocessing, Model Evaluation, Applied Machine Learning, Feature Engineering, Data Transformation, Big Data, Google Cloud Platform, Analytics, Data Manipulation, Predictive Analytics, Model Training, Predictive Modeling, Machine Learning, Data Access, Exploratory Data Analysis, SQL
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Data Pipelines, Model Evaluation, Systems Design, Transfer Learning, Data Preprocessing, Data Quality, Feature Engineering, Deep Learning, Python Programming, Data Validation, Scikit Learn (Machine Learning Library), Applied Machine Learning, Predictive Modeling, Software Engineering, Debugging, Supervised Learning, Git (Version Control System), Performance Metric, Statistical Analysis
Intermediate · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Session Initiation Protocols, Android Studio, Android Development, Internet Of Things, Communication Systems, Network Protocols, Telecommunications, Wireless Networks, Mobile Development, Digital Communications, Emerging Technologies, Application Development, Digital Signal Processing, Embedded Systems, Open Source Technology
Mixed · Course · 1 - 3 Months

University of London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), 3D Assets, Unity Engine, Visualization (Computer Graphics), Virtual Environment, Computer Graphics, Video Game Development, Computer Graphic Techniques, Game Design, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Cryptographic Protocols, Encryption, Data Integrity, Cybersecurity, Computer Security, Information Assurance, Authentications, Data Security, Theoretical Computer Science, Public Key Cryptography Standards (PKCS), Threat Modeling, Communication Systems, Algorithms, Digital Communications
Intermediate · Specialization · 3 - 6 Months