idlastzero: Return the index of the last zero in a vector
Description
Return the index of the last zero in a vector, otherwise
stop and return errror message. A helper routine for
mkcoef.
Usage
idlastzero(v)
Value
The index within v of the last (right-most or one with
the largest index) zero.
Arguments
v
Vector you wish to investigate
Author
Guy Nason.
References
Nason, G.P. (2013) A test for second-order stationarity and
approximate confidence intervals for localized autocovariances
for locally stationary time series. J. R. Statist. Soc. B,
75, 879-904.
tools:::Rd_expr_doi("10.1111/rssb.12015")