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: Data Storytelling, Data Presentation, Plotly, Matplotlib, Exploratory Data Analysis, Plot (Graphics), Data Visualization, Interactive Data Visualization, Data Visualization Software, Statistical Visualization, Seaborn, Scatter Plots, Data Analysis, Box Plots, Descriptive Statistics, Jupyter, Data Science, Statistical Analysis, Python Programming, GitHub
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Extract, Transform, Load, Data Pipelines, Data Transformation, Model Evaluation, Pandas (Python Package), Data Storytelling, Data Presentation, Data Preprocessing, Data Processing, PySpark, Data Quality, Apache Spark, Data-Driven Decision-Making, A/B Testing, Data Analysis, Model Training, Data Visualization, Data Governance, Machine Learning
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Storytelling, Text Mining, Database Design, Data Governance, Interactive Data Visualization, Data Presentation, Plotly, Classification Algorithms, Data Visualization, Database Theory, Database Systems, Exploratory Data Analysis, Data Mining, Database Management, Statistical Visualization, Data Visualization Software, Matplotlib, Time Series Analysis and Forecasting, Data Wrangling, Correlation Analysis
Graduate Certificate · 6 - 12 Months

Skills you'll gain: Data Visualization, Dashboard Creation, Power BI, Data-Driven Decision-Making, Business Intelligence, Data Presentation, Data Storytelling, Data Visualization Software, Data Transformation, Data Analysis Expressions (DAX), Data Modeling, Star Schema, Key Performance Indicators (KPIs), Data Processing, Interactive Data Visualization, Microsoft Power Platform, Microsoft Excel, Data Management, Data Analysis, Advanced Analytics
★ 4.4 (34) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: MySQL, SQL, MySQL Workbench, Query Languages, Data-Driven Decision-Making, Data Analysis
★ 4.4 (9) · Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Data-Driven Decision-Making, Looker (Software), Data Storytelling, Data Presentation, Big Data, Data Literacy, Data Analysis, Interactive Data Visualization, Google Cloud Platform, Analytics, Business Intelligence, Cloud Storage, Data Storage, Data Visualization Software, Dashboard Creation, SQL, Data Sharing, Data Processing, Data Warehousing, Query Languages
★ 4.7 (15) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Pivot Tables And Charts, Dashboard Creation, Data Visualization, Spreadsheet Software, Data Presentation, Performance Analysis, Microsoft Excel, Interactive Data Visualization, Sales, Data Transformation, Data Manipulation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model Optimization, Calculus, Applied Mathematics, NumPy, Mathematical Software, Numerical Analysis, Machine Learning Algorithms, Tensorflow, Python Programming, Derivatives, Development Environment
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Software-Defined Data Center (SDDC), VMware vSAN, Virtualization, Data Centers, NSX-T Network Virtualization, Virtual Networking, Virtualization and Virtual Machines, vSphere Networking and Storage, Virtual Machines, IT Infrastructure, Software-Defined Networking, Network Infrastructure, Infrastructure Architecture, Servers, Cloud Management, Hybrid Cloud Computing
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Data Literacy, Data Ethics, Data-Driven Decision-Making, Analytics, Root Cause Analysis, Lean Methodologies, Six Sigma Methodology, Data Analysis, Operational Excellence, Case Studies, Lean Six Sigma, ISO 9000 Series, Lean Manufacturing, Quality Improvement, Process Improvement, Decision Making, Quality Management Systems, Data Security, Internet Of Things
★ 4.6 (155) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Advanced Mathematics, Mathematical Theory & Analysis, Applied Mathematics, Numerical Analysis, Mathematical Modeling, Mathematical Software, Exploratory Data Analysis
★ 4.9 (62) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Process Flow Diagrams, Business Process Modeling, Data Modeling, Process Modeling, Microsoft Visio, Diagram Design, Business Process, Business Modeling, Business Analysis, Data Flow Diagrams (DFDs), Business Analysis Tools, Database Design, Data Visualization
★ 4.3 (142) · Beginner · Course · 1 - 4 Weeks