query bond data

md_bond query bond market data from FRED and ChinaBond.

md_bond(symbol = NULL, type = "history", date_range = "3y",
  from = NULL, to = Sys.Date(), print_step = 1L, ...)

Arguments

symbol

bond symbols. Default is NULL.

type

the data type. Default is history.

date_range

date range. Available value includes '1m'-'11m', 'ytd', 'max' and '1y'-'ny'. Default is 3y.

from

the start date. Default is NULL. If it is NULL, then calculate using date_range and end date.

to

the end date. Default is the current date.

print_step

a non-negative integer, which will print symbol name by each print_step iteration. Default is 1L.

...

Additional parameters.