Save a kidmap for every person — save_person

Writes one kidmap (plot_kidmap) per person to a single multi-page PDF or a ZIP archive of PNGs, chosen by the extension of file. Persons without a location estimate are skipped.

Usage

save_person_plots(
  fit,
  file,
  persons = NULL,
  level = 0.95,
  width = 8,
  height = 6,
  dpi = 300
)

Arguments

fit: A fitted object from rasch.
file: Output path ending in .pdf (one page per person) or .zip (one PNG per person).
persons: Row numbers or IDs; all estimated persons by default.
level: Confidence level of the band marking unexpected responses.
width, height, dpi: Device size in inches and PNG resolution.

Value

Invisibly, the output path.

Examples

set.seed(1)
d <- seq(-2, 2, length.out = 6)
X <- matrix(rbinom(60 * 6, 1, plogis(outer(rnorm(60), d, "-"))), 60, 6)
colnames(X) <- paste0("I", 1:6)
f <- rasch(X)
save_person_plots(f, file.path(tempdir(), "kidmaps.pdf"), persons = 1:5)