NAMESPACE

useDynLib(designtools, .registration=TRUE)
importFrom(Rcpp, "evalCpp")
import(dplyr)
importFrom(tidyr, "pivot_wider")
importFrom(rlang, ".data", "caller_env","eval_tidy","enquos","enexprs")

import(ggplot2)
importFrom(egg, "ggarrange")


import(lpSolveAPI)

importFrom(stats, "dnorm", "coef", "runif")
importFrom(utils, "combn", "getS3method")
importFrom(methods,"new")


export(item_sum)
export(item_count)
export(item_fraction)
export(irt_constraint)
export(difficulty_constraint)
export(minimize_items)
export(maximize_items)
export(random_test)
export(maximize_information)


export(test_design)
export(mst_design)
export(pretest_design)
export(size_groups)

#plots
export(plot_mst_design)

S3method(print,ds_marginal_plot)
S3method(plot,ds_marginal_plot)
S3method('+',ds_marginal_plot)