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: SAS (Software), Network Analysis, Text Mining, Spatial Analysis, Social Network Analysis, Analysis, Geospatial Mapping, Data Analysis, Data Wrangling, Statistical Programming, Data Transformation, Unstructured Data, Natural Language Processing
★ 4.7 (195) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Big Data, Google Cloud Platform, Marketing Analytics, Generative AI, Data-Driven Marketing, Applied Machine Learning, Data Analysis, Predictive Analytics, Forecasting, Predictive Modeling, Query Languages, SQL
★ 4.2 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), C and C++, C++ (Programming Language), Data Structures, Object Oriented Design, Code Reusability, Memory Management, Data Persistence, Algorithms
★ 4.8 (10) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Redshift, AWS SageMaker, AWS Kinesis, Data Pipelines, Apache Spark, Amazon Web Services, Big Data, Apache Hive, Kibana, Data Warehousing, Data Processing, Model Deployment, Data Migration, Extract, Transform, Load, Real Time Data, Ad Hoc Analysis, Data Transformation, Cloud Computing, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Network Model, Python Programming, Data Manipulation, Memory Management, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Data Processing, Big Data, Data Infrastructure, Data Storage Technologies, Apache Hadoop, Analytics, Data Management, Data-Driven Decision-Making, Data Analysis, Economics, Policy, and Social Studies, Data Governance, Social Impact
★ 4.7 (2.2K) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Quantum computing, Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Cryptographic Protocols, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Programming Principles, Mathematical Software, Advanced Mathematics
★ 4.6 (69) · Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Identity and Access Management, Query Languages, Data Management, User Provisioning, Cloud Storage, Database Architecture and Administration, Cloud Computing Architecture, Serverless Computing
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Statistical Visualization, Plot (Graphics), Statistical Analysis, Data Presentation, Policy Analysis, Research, and Development, Ggplot2, Program Evaluation, Policy Analysis, Surveys, Data Ethics, R (Software), Data Analysis, Tidyverse (R Package), R Programming, Statistical Methods, Public Policies, Case Studies, Political Sciences
★ 4.6 (127) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Predictive Modeling, Model Evaluation, Statistical Modeling, Predictive Analytics, Regression Analysis, Scikit Learn (Machine Learning Library), Statistical Machine Learning, Data Science, Probability & Statistics, Statistical Methods, Statistical Inference, Applied Machine Learning, Business Analytics, Model Training, Data Analysis, Statistical Analysis, Statistics, Machine Learning Algorithms, Probability Distribution, Estimation
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Literacy, Data Visualization, Research Design, Data Presentation, Descriptive Statistics, Analytics, Descriptive Analytics, Research Methodologies, Analysis, Statistics, Quantitative Research, Statistical Methods
★ 4.6 (186) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Dashboard Creation, Data Manipulation, Data Visualization Software, Data Presentation, Exploratory Data Analysis, Data Management, Google Cloud Platform, Network Analysis
Beginner · Project · Less Than 2 Hours