search for: create_cashflows_matrix

Hi, I'm trying to use the package termstrc. However I cannot figure out how to invoke helper functions like create_cashflows_matrix & create_maturities_matrix. Even when I try to invoke those with the data supplied with the package (say, corpbonds), it throws error saying "Error in as.vector(x, mode) : invalid 'mode' argument". Can anybody provide some working example for these? I'm on Windows XP and u...