#' Example EMA-style intensive longitudinal dataset
#'
#' A small simulated dataset with 10 persons and 14 observations per person,
#' irregular timing, and two variables (mood, stress). For use in examples and
#' vignettes. Use [ild_prepare()] to convert to an ILD object.
#'
#' @format A data frame with 140 rows and 4 columns:
#' \describe{
#'   \item{id}{Person identifier (1--10).}
#'   \item{time}{POSIXct timestamp (irregular within person).}
#'   \item{mood}{Simulated mood score.}
#'   \item{stress}{Simulated stress score.}
#' }
#' @source Simulated with a fixed seed (12345) for reproducibility.
#' @docType data
#' @name ema_example
#' @keywords datasets
NULL
