Package index • surreal

Core Functions

Create surreal datasets with hidden images in residuals

surreal(): Find X Matrix and Y Vector for Residual Surrealism
surreal_text(): Apply the surreal method to a text string
surreal_image(): Apply the surreal method to an image file
border_augmentation(): Transform Data by Adding a Border

Points

Get the points that draw a message or an image before hiding them

surreal_text_points(): Turn text into the points that draw it
surreal_image_points(): Turn an image into the points that draw it

The Search

Watch the method arrive at its data

surreal_trace(): Record the Search Behind a Surreal Dataset
plot(<surreal_trace>): Plot a Recorded Search

Variable Selection

Hide the image among decoy predictors and select the real ones step by step

surreal_decoys(): Add Decoy Predictors to a Surreal Dataset
surreal_path(): Select Predictors One Step at a Time
plot(<surreal_path>): Plot a Recorded Selection

Interactive App

Explore the surreal algorithm interactively

surreal_app(): Launch the Surreal Shiny App

Datasets

Built-in datasets for demos and examples

r_logo_image_data: R Logo Pixel Data
jackolantern_surreal_data: Jack-o'-Lantern Surreal Data