| align_matrix_cols | Align the columns of two matrices | 
| align_matrix_rows | Align the rows of two matrices | 
| corr_betw_matrices | Calculate correlations between columns of two matrices | 
| dist_betw_arrays | Distance between rows of two arrays | 
| dist_betw_matrices | Distance between rows of two matrices | 
| get_2ndbest | Get 2nd-smallest distance for each individual | 
| get_best | Get smallest distance for each individual | 
| get_nonself | Get self-nonself distances | 
| get_problems | Summarize potential problems in a distance matrix | 
| get_self | Get self-self distance | 
| hist_self_nonself | Plot histograms of self-self and self-nonself distances | 
| lineup2ex | Example dataset for lineup2 package | 
| plot_sample | Plot the distances for a given sample | 
| which_2ndbest | Determine which individual has 2nd-smallest distance to each individual | 
| which_best | Determine which individual has smallest distance to each individual |