lag_lead: Fast lead/lag for vectors
In tidyfst: Tidy Verbs for Fast Data Manipulation
lead_dt R Documentation
Fast lead/lag for vectors
Description
Find the "next" or "previous" values in a vector.
It has wrapped data.table's shift function.
Usage
lead_dt(x, n = 1L, fill = NA)
lag_dt(x, n = 1L, fill = NA)
Arguments
x
A vector
n
a positive integer of length 1,
giving the number of positions to lead or lag by. Default uses 1
fill
Value to use for padding when the window goes beyond the input length.
Default uses NA
Value
A vector
See Also
lead,shift
Examples
lead_dt(1:5)
lag_dt(1:5)
lead_dt(1:5,2)
lead_dt(1:5,n = 2,fill = 0)
tidyfst documentation built on July 26, 2023, 5:20 p.m.
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| lead_dt | R Documentation |
Fast lead/lag for vectors
Description
Find the "next" or "previous" values in a vector.
It has wrapped data.table's shift function.
Usage
lead_dt(x, n = 1L, fill = NA)
lag_dt(x, n = 1L, fill = NA)
Arguments
x |
A vector |
n |
a positive integer of length 1, giving the number of positions to lead or lag by. Default uses 1 |
fill |
Value to use for padding when the window goes beyond the input length.
Default uses |
Value
A vector
See Also
lead,shift
Examples
lead_dt(1:5)
lag_dt(1:5)
lead_dt(1:5,2)
lead_dt(1:5,n = 2,fill = 0)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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