a_matrix                Generates the 'a_matrix' (A) of a design
get_rep                 Generates number of replications in a design
get_treat               Generates number of treatments in a Design
iRoCoDe                 Generate Incomplete Row-Column Designs
n_matrix                Generates the Incidence Matrix (N) of a Design
rearrange_mat           Rearranges the given matrix
rmv_list                Removes a item from a list
row_unique              Checks uniqness of elements in the rows of a
                        matrix
