its-lags {its} | R Documentation |
Lag functions for objects of class "its"
.
lagIts(x,k=1) lagdistIts(x,kmin,kmax)
x |
an object of class "its" |
k, kmin, kmax |
integer lag; positive value mean earlier data is assigned to a later timestamp |
lagIts
returns an object with the same time-stamps, but with the data shifted.
lagdistIts
applies lagIts over a range of lags, and appends these columns
An object of class "its"
.
Giles Heywood
ts
,
POSIXct
,
its-file
,
its-lags
its-join
its-times
its-subset
its-fin
its-disp
its-info
its-cumdif
its-arith
a <- matrix(c(seq(by=24*60*60,length=20),1:20,41:60),nrow=20,ncol=3) b <- as.its(a) lagIts(b) lagdistIts(b[,1],1,3)