See create3DC for more information
add_test3DC(db3dc, parms, design, test_id, standards, mu, sigma,
population = NULL, group_leader = "admin", omit = 0)3dc database handle
a parameters object produced by fit_enorm
a data.frame with columns item_id, cluster and optionally cluster_nbr (used for sorting the clusters) and item_nbr (used for sorting items within cluster).
name/id of the test as it will be shown in the 3DC application.
vector of standards to be set
expected ability in population, used for scaling of the clusters
expected standard deviation of ability in population, used for scaling of the clusters
optionally a data.frame with columns test_score and frequency to use for visualization in 3DC application. If NULL, the distribution will be derived from a simulation.
Login name of the group leader, default is admin. The default password is always admin, but can be changed in the 3DC application.
the tail probability of the testscores to be omitted from the 3DC form. For example, if set to 0.1, the 10 The Default is 0.0 (omit nothing)