diff returns a Term vector with lagged differences.
# S4 method for class 'Term'
diff(x, lag = 1, ..., fill = NULL)
Arguments
- x
a Term object.
- lag
a numerix indicating which lag to use.
- ...
additional arguments. Currently unused.
- fill
a numeric value (or NA) to fill the empty created by
applying diff to a Term object.
Value
A new Term object with lagged differences of the given Term object.
Examples
t <- term(1:10, "months")
diff(t)
#> [1] "1 month" "1 month" "1 month" "1 month" "1 month" "1 month" "1 month"
#> [8] "1 month" "1 month"