"dyntermstrc_param". The function plots the factor contribution of the parameters of the
different spot rate functions at a certain point in time.
"fcontrib"(x, method = "ns", lambda = 0.0609 * 12, index = 1,
m = 1:10, ylim = NULL, ...)dyntermstrc_param"ns","sv","dl","sv"
"dl" spot rate
function.
"c(min,max)"