LSMboot                 Bootstrap Standard Errors for Item Parameters
                        of a Fitted Latent Space Item Response Model
LSMdist                 Compute Latent Space Distances from a Fitted
                        Latent Space Item Response Model
LSMfit                  Fitting Latent Space Item Response Models using
                        Joint Maximum Likelihood Estimation
LSMrotate               Rotate the person and item latent space
                        parameter matrices to an echelon structure
LSMselect               Selecting the Latent Space Dimensionality using
                        K-fold Cross-Validation
LSMsim                  Simulating Data according to the Latent Space
                        Item Response Model
