Get a US Treasury curve discount factor function
This is a caching wrapper for Quandl_df_fcn_UST_raw
Quandl_df_fcn_UST(..., envir = parent.frame())
...
: Arguments passed to Quandl_df_fcn_UST_raw
envir
: Environment passed to Quandl_df_fcn_UST_raw
A function taking two time arguments, which returns the discount factor from the second to the first
Useful links