A ForwardRate object can be created from a SpotRate object and
a SpotRateCurve.
as.forwardrate(x, ...)# S3 method for SpotRate
as.forwardrate(x, terms, refdate = NULL, ...)
# S3 method for SpotRateCurve
as.forwardrate(x, t1 = NULL, t2 = NULL, ...)
A ForwardRate object created from another object, SpotRate or
SpotRateCurve.
a SpotRate or a SpotRateCurve object.
additional arguments
a numeric with positive values representing terms or a Term object.
the curve reference date.
initial term
final term