
you can either replace 'zoo' in importFrom(zoo,as.Data.numeric) with 'base'


or download source for FINTS http://cran.r-project.org/src/contrib/Archive/zoo/  and modify  

NAMESPACE section

## auxiliary generics/methods
  "MATCH",
  "MATCH.default",
  "ORDER",
  "ORDER.default",
  "as.Date.numeric") 


and in zoo/R directory file as.Date.ts un-comment first two lines to look like this 

as.Date.numeric <- function (x, origin = "1970-01-01", ...) 
  as.Date(origin, ...) + x

as.Date.ts <- function(x, offset = 0, ...) {
   time.x <- unclass(time(x)) + offset
   if (frequency(x) == 1)
	as.Date(paste(time.x, 1, 1, sep = "-"))
   else if (frequency(x) == 4)
	as.Date(paste((time.x + .001) %/% 1, 3*(cycle(x)-1)+1, 1, sep = "-"))
   else if (frequency(x) == 12)
	as.Date(paste((time.x + .001) %/% 1, cycle(x), 1, sep = "-"))
   else
	stop("unable to convert ts time to Date class")
}

 and in zoo/R direction file zzz.R looks like this 

.onLoad <- function(libname, pkgname) {
  assignInNamespace("as.Date.numeric", function (x, origin, ...) {
    if (missing(origin)) origin <- "1970-01-01"
    as.Date(origin, ...) + x
  }, ns = "base")
}

.onUnload <- function(libpath) {
  assignInNamespace("as.Date.numeric", function (x, origin, ...) {
    if (missing(origin)) stop("'origin' must be supplied")
    as.Date(origin, ...) + x
  }, ns = "base")
}



and R CMD INSTALL -- /path to source/zoo/....
 		 	   		  
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