Description Usage Arguments Value
View source: R/add_lags_and_leads.R
Return data.table with lag
1 2 | add_lags_and_leads(dt, varnames, tvar = "date", by = NULL, n = 3,
typenames = c("lag", "lead"))
|
dt |
data.table |
varnames |
Character vector of variables to lag or lead |
tvar |
Name of time variable. Default is "date". |
by |
(Optional) Name of variable to run lags/leads by |
n |
(Optional) Number of lags/leads to create |
typenames |
(Optional) Character vector equal to c("lag"), c("lead")", or c("lag", "lead") (default) |
data.table with lags and leads added
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