tmval.read_iym¶
-
tmval.growth.
read_iym
(table: dict, t0: float, t: float) → tmval.rate.Rate[source]¶ Reads a value from a table of interest rates using the investment year method. A table might look something like this:
iym_table = { 2000: [.06, .065, .0575, .06, .065], 2001: [.07, .0625, .06, .07, .0675], 2002: [.06, .06, .0725, .07, .0725], 2003: [.0775, .08, .08, .0775, .0715] }
- Parameters
table (dict) – A table of interest rates as a dictionary, with years as the keys.
t0 (float) – The initial investment time.
t (float) – The desired lookup time for which the rate applies.
- Returns
An interest rate applicable to the desired lookup time.
- Return type