lag_lead: Fast lead/lag for vectors
In tidyft: Fast and Memory Efficient Data Operations in Tidy Syntax
lead R Documentation
Fast lead/lag for vectors
Description
Analogous function for lead and lag in dplyr by
wrapping data.table's shift.
Usage
lead(x, n = 1L, fill = NA)
lag(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(1:5)
lag(1:5)
lead(1:5,2)
lead(1:5,n = 2,fill = 0)
tidyft documentation built on Jan. 9, 2023, 1:27 a.m.
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| lead | R Documentation |
Fast lead/lag for vectors
Description
Analogous function for lead and lag in dplyr by
wrapping data.table's shift.
Usage
lead(x, n = 1L, fill = NA) lag(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(1:5) lag(1:5) lead(1:5,2) lead(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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