User Guide

Learn the GAUSS programming language — from core syntax to advanced features.

Fundamentals

• Operators and Expressions
  • Arithmetic Operators
  • Concatenation Operators
  • Comparison Operators
  • Logical Operators
  • Indexing
  • ExE Conformability (Broadcasting)
  • The Transpose Shorthand: X’Y
  • Operator Precedence
  • Quick Reference
• Strings and String Arrays
  • Creating Strings
  • String Operators
  • String Arrays
  • Common String Functions
  • Converting Between Strings and Numbers
  • Data Types: String vs. String Array vs. Character Matrix
  • Quick Reference
• Control Flow
  • Conditional Branching: if / elseif / else
  • Counted Loops: for
  • Condition-Based Loops: do while / do until
  • break and continue
  • Parallel Loops: threadfor
  • When to Use Loops (and When Not To)
  • Unconditional Jump: goto
  • Quick Reference
• Formula Strings
  • Basic Syntax
  • Operators
  • Keywords
  • Data Transformations
  • Model Specification
  • Complete Examples
  • Rules and Tips
  • What’s Next
• Procedures and Keywords
  • Defining Procedures
  • Local Variables
  • Returning Values
  • Calling Procedures
  • Optional Arguments
  • Function Pointers
  • Keywords
  • Practical Examples
  • Rules and Tips
  • What’s Next

Data Management

• Data Management
  • Interactive Data Import
  • Programmatic Data Import
  • Programmatic Export
  • Data Cleaning
  • Data Exploration
  • Data Sampling
  • Data Smoothing
  • Data Transformations

Advanced

• Time and Date
  • Loading Data with Dates
  • Displaying and Formatting Dates
  • Extracting Date Components
  • Filtering by Date
  • Creating Dates
  • Date Arithmetic
  • Lags, Differences, and Growth Rates
  • Plotting Time Series
  • Frequency Conversion
  • Putting It All Together
  • Trading Day Functions
  • Format Reference
  • Legacy Date Representations
  • Quick Reference
• Random Number Generation
  • Basic Random Number Functions
  • Sampling from Distributions
  • Available Generators
  • State-Based Generation
  • Thread Safety
  • Parallel Generation with Block-Skipping
  • Performance Tips
  • Quick Reference
• N-Dimensional Arrays
  • Creating Arrays
  • Indexing and Extracting
  • Array Operations
  • Looping Over Array Planes
  • Converting Between Arrays and Matrices
  • Using Arrays with GAUSS Functions
  • Function Reference
  • Quick Reference
• Structures
  • The Control Structure Pattern
  • Defining Structures
  • Creating and Initializing
  • Accessing Members
  • Structures in Procedures
  • Complete Examples
  • Defining Your Own Structures
  • Arrays of Structures
  • Structure Pointers
  • Saving and Loading Structures
  • DS and PV Structures
  • Rules and Tips
  • What’s Next
• Compilation and Libraries
  • #include — Including Source Files
  • Libraries
  • The Autoloader
  • Global Declaration Files
  • Compiling Programs
  • File Type Reference
  • Quick Reference