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.

Amazon Web Services
Skills you'll gain: Data Lakes, Amazon Web Services, Data Architecture, Data Engineering, Data Processing, Amazon S3, Data Warehousing, Data Visualization Software, Extract, Transform, Load, AWS Identity and Access Management (IAM), Data Management, Data Governance, Data Transformation, Data Storage, Data Science, Query Languages, Machine Learning
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Regression Analysis, Correlation Analysis, Statistical Software, Plot (Graphics), Graphing, Statistical Analysis, Statistical Methods, Descriptive Statistics, Data Visualization, Data Analysis, Data Literacy, Probability & Statistics, Histogram, Data Visualization Software, Quantitative Research, Exploratory Data Analysis, Variance Analysis, Statistical Visualization, Statistics, Social Sciences
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Data Architecture, Advanced Analytics, Data Warehousing, Data Cleansing, Text Mining, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Big Data, Anomaly Detection, Text Mining, Unstructured Data, Exploratory Data Analysis, Spatial Analysis, Advanced Analytics, Statistical Methods, Image Analysis, Algorithms, Information Privacy
Mixed · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Database Management Systems, Big Data, Apache Hadoop, PostgreSQL, Network Analysis
Intermediate · Course · 1 - 3 Months

EIT Digital
Skills you'll gain: Data Strategy, Data-Driven Decision-Making, Big Data, Data Science, NoSQL, Data Modeling, Data Storage Technologies, Analytics, Business Analytics, Data Analysis, Data Ethics, Machine Learning, Unsupervised Learning, Regression Analysis, Classification And Regression Tree (CART), Supervised Learning, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Security Controls, Data Pipelines, Data Infrastructure, Systems Administration, System Configuration, Identity and Access Management, Configuration Management, Debugging, Performance Tuning, Software Architecture, Enterprise Architecture, Distributed Computing, Data Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Lakes, Data Warehousing, Cloud Engineering, Google Cloud Platform, Data Infrastructure, Cloud Storage, Data Pipelines, Big Data, Data Processing, SQL, Scalability
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Apache Spark, Apache Hadoop, Data Integration, Big Data, Data Pipelines, Data Processing, Data Management, NoSQL, Analytics, Splunk, Database Systems, MongoDB, Pandas (Python Package), SQL, PostgreSQL
Beginner · Course · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Data Collection, Due Diligence, Big Data, Analytics, Investment Management, Financial Market, Business Ethics, Sustainable Business, Portfolio Management, Accountability, Artificial Intelligence, Machine Learning, Natural Language Processing
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Shiny (R Package), Ggplot2, Tidyverse (R Package), Data Visualization, Spatial Data Analysis, Statistical Visualization, Scatter Plots, Plot (Graphics), Dashboard, Data Import/Export, Interactive Data Visualization, R Programming, Data Visualization Software, Geospatial Information and Technology, Data Literacy, Statistical Reporting, Data Manipulation, Data Science, Data Analysis
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Time Series Analysis and Forecasting, Statistical Analysis, Machine Learning Algorithms, Data Analysis, Data Visualization, Exploratory Data Analysis, Data Science, Statistical Programming, Statistical Machine Learning, Statistical Methods, Data Cleansing, Analytics, R (Software), Statistical Software, Applied Machine Learning, Regression Analysis, Probability & Statistics, Forecasting, Statistical Modeling, Machine Learning
Build toward a degree
Intermediate · Specialization · 3 - 6 Months