Changes in version 0.0.0.9000                      

New Features

  - Initial release of ThinkingGrid package
  - generate_survey() - Create Qualtrics importable survey files from
    CSV setup files
  - read_qualtrics_data() - Parse Qualtrics survey output into data
    frames
  - plot_tg() - Create various Thinking Grid visualizations (cells,
    quadrants, horizontal, vertical, constraints, depth)
  - create_tg_animation() - Generate animated GIF visualizations across
    conditions
  - add_depths() - Calculate quadrant depths using taxicab metric
  - thinkgrid_quadrant_plot() - Create 2x2 quadrant plots for
    statistical models
  - install_thinkgrid() - Set up Python virtual environment with
    required dependencies
  - check_python_available() - Check Python installation status

Visualization Types

  - Cells: Individual cell heatmap (6x6 grid)
  - Quadrants: Four-quadrant summary plots
  - Horizontal: Horizontal bands showing stickiness levels
  - Vertical: Vertical bands showing directedness levels
  - Constraints: Diagonal constraint bands
  - Depth: Distance from grid center in each quadrant

Dependencies

  - Python integration via reticulate for survey generation and data
    processing
  - ggplot2 ecosystem for visualizations
  - Support for enhanced color scaling for small values
  - Comprehensive testing with testthat and vdiffr for visual regression
    testing