correlation_map.baseline_model — correlation_map.baseline_model • fmridesign

Generates a correlation heatmap of the columns in a baseline_model's design matrix.

Usage

# S3 method for class 'baseline_model'
correlation_map(
  x,
  method = c("pearson", "spearman"),
  half_matrix = FALSE,
  absolute_limits = TRUE,
  ...
)

Arguments

x: A baseline_model.
method: Correlation method (e.g., "pearson", "spearman").
half_matrix: Logical; if TRUE, display only the lower triangle of the matrix.
absolute_limits: Logical; if TRUE, set color scale limits from -1 to 1.
...: Additional arguments passed to internal plotting functions.

Value

A ggplot2 plot object.

Examples

sframe <- fmrihrf::sampling_frame(blocklens = 5, TR = 1)
bmod <- baseline_model(sframe = sframe)
if (requireNamespace("ggplot2", quietly = TRUE)) correlation_map(bmod)
#> Warning: the standard deviation is zero