Thank you so much for this elegant solution, Jeff.
Philip
On 2020-11-12 02:20, Jeff Newmiller wrote:
I am not a data.table afficiando, but here is how I would do it with
dplyr/tidyr:
library(dplyr)
library(tidyr)
do_per_REL <- function( DF ) {
rng <- range( DF$REF1 ) # watch out for missing
I am not a data.table afficiando, but here is how I would do it with
dplyr/tidyr:
library(dplyr)
library(tidyr)
do_per_REL <- function( DF ) {
rng <- range( DF$REF1 ) # watch out for missing months?
DF <- ( data.frame( REF1 = seq( rng[ 1 ], rng[ 2 ], by = "month" ) )
%>% left_join
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