Changes in version 0.0.2 (2026-01-11)                  

New Features

  - surreal_image(): Create surreal datasets directly from image files
    or URLs. Supports PNG, JPEG, BMP, TIFF, and SVG formats with
    automatic mode detection and threshold calculation.

  - surreal_app(): Launch an interactive Shiny application for exploring
    the surreal algorithm. Includes demo datasets, custom text input,
    image uploads, and real-time parameter controls. Export results to
    CSV or download plots.

                 Changes in version 0.0.1 (2024-09-12)                  

Features

  - surreal(): embeds a hidden image supplied by (x, y) coordinates into
    a data set that seemingly has no pattern until the residuals are
    plotted.
  - surreal_text(): embeds a hidden text pattern into a data set that
    seemingly has no pattern until the residuals are plotted.
  - Included data:
      - r_logo_image_data: a data set containing the R logo image that
        can be hidden using the surreal() function.
      - jack_o_lantern_image_data: a data set containing a hidden
        jack-o-lantern image.