Domain-Specific Languages (DSL) Courses and Certifications

Advanced Query Techniques and Conditional Logic in SQL

Master advanced SQL querying with complex subqueries, conditional logic, and sophisticated data analysis techniques. Learn to write efficient queries using AND/OR operations, LIKE, IN, BETWEEN, and IF functions.

• CodeSignal
• On-Demand
• Free Certificate

Foundations of R

Master fundamental R programming concepts, from basic syntax and operations to vectors and statistical functions, building a solid foundation for data manipulation and analysis.

• CodeSignal
• On-Demand
• Free Certificate

Data Frames in R

Master data frame fundamentals in R - from creation and manipulation to advanced operations like aggregation, calculations, and cleaning techniques for effective data analysis.

• CodeSignal
• On-Demand
• Free Certificate

Intermediate Data Manipulation with dplyr

Master advanced data manipulation techniques in R using dplyr's powerful functions for filtering, selecting, mutating, summarizing, and chaining operations to create efficient data analysis workflows.

• CodeSignal
• On-Demand
• Free Certificate

Comprehensive Data Visualization with ggplot2

Master data visualization techniques with ggplot2, from basic scatter plots to advanced faceted graphics. Create customized plots using aesthetics, themes, annotations, and scales to effectively communicate complex insights.

• CodeSignal
• On-Demand
• Free Certificate

Introduction to GraphQL and Apollo Server

Master GraphQL and Apollo Server fundamentals, from basic server setup to advanced querying. Build efficient APIs, integrate with Express, and learn practical alternatives to REST architecture.

• CodeSignal
• On-Demand
• Free Certificate

GraphQL Mutations and Advanced Apollo Server

Master GraphQL mutations, complex queries, and real-time subscriptions while implementing Apollo Server for efficient data manipulation and external API integration.

• CodeSignal
• On-Demand
• Free Certificate

Advanced GraphQL Data Patterns and Fetching

Master advanced GraphQL patterns including nested resolvers, pagination, complex queries, and DataLoader optimization to build efficient, scalable APIs and prevent N+1 query problems.

• CodeSignal
• On-Demand
• Free Certificate

Securing and Optimizing GraphQL APIs

Master advanced security techniques and optimization strategies for building robust GraphQL APIs, including authentication, rate limiting, error handling, and comprehensive testing methodologies.

• CodeSignal
• On-Demand
• Free Certificate

Microcredential

Mastering Software Development in R

Comprehensive R programming specialization covering advanced topics, package development, and data visualization tools for aspiring data scientists and analysts seeking to enhance their software development skills.

• Coursera
• 26 weeks, 4 hours a week
• On-Demand
• Paid Course
• 5 courses

Microcredential

Data Visualization & Dashboarding with R

Develop expertise in creating static and interactive data visualizations using R, from basic plots to advanced techniques, and learn to publish them on the web for various audiences.

• Coursera
• 17 weeks, 4 hours a week
• On-Demand
• Paid Course
• 5 courses

Getting Started with Data Visualization in R

274 ratings at Coursera

Learn to create impactful data visualizations using R and tidyverse. Import data, manipulate it effectively, and produce simple reports with R Markdown. Ideal for beginners seeking practical skills in data visualization.

• Coursera
• 11 hours 44 minutes
• On-Demand
• Free Online Course (Audit)

Microcredential

Tidyverse Skills for Data Science in R

Master data science with R's Tidyverse: import, wrangle, visualize, and model data using powerful and scalable tools. Gain practical skills for the entire data science project lifecycle.

• Coursera
• 30 weeks, 3 hours a week
• On-Demand
• Paid Course
• 5 courses

Modeling Data in the Tidyverse

Learn to model data effectively using the Tidyverse in R. Covers hypothesis testing, regression, machine learning, and more. Gain skills to uncover insights and improve decision-making through data analysis.

• Coursera
• 21 hours 22 minutes
• On-Demand
• Free Online Course (Audit)

Data Visualization in R with ggplot2

122 ratings at Coursera

Learn to create and refine powerful data visualizations using ggplot2 in R. Master the grammar of graphics, explore various plot types, and enhance your plots with advanced graphical elements.

• Coursera
• 12 hours 32 minutes
• On-Demand
• Free Online Course (Audit)