[RS-ecology] Issues running bfast
Natalia Quinteros
natalia.l.quinteros.c at gmail.com
Mon Mar 6 18:28:35 CET 2017
Hi List,
I was doing the time series excersise of the book and I run into a problem:
So this is my script:
f_bfm <- function(x) {x <- ts(evi, start= c(2003, 1),frequency =46)
bfm <- bfastmonitor(data = x, start = c(2010, 1))
return(cbind(bfm$breakpoint, bfm$magnitude))
}
rbfm <- calc(evi, fun = function(x){
t(apply(x,1,f_bfm))
})
When I run rbfm I receive this error:
Error in (function (classes, fdef, mtable) :
unable to find an inherited method for function ‘calc’ for signature
‘"ts", "function"’
So, where is calc coming from? Is it coming from the package raster? Or
what is the problem here?
Thanks.
Natalia L Quinteros Casaverde
Ph.D Student
Remote Sensing and Ecosystems Lab
EEB - Biology
City University of New York &
Graduate Center
CUNY
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