View source: R/legg_til_tidsvariabler.R
legg_til_tidsvariabler | R Documentation |
The function legg_til_tidsvariabler()
creates six time-variables,
aar
, maaned_nr
, maaned
, kvartal
, uke
,
aar_uke
, based on a given date-column (var
) of input
data.frame df
. Then these new variables are added to df
before
the entire data.frame is returned.
legg_til_tidsvariabler(df, var = ProsedyreDato)
df |
data.frame from any NORIC-table. Must contain a variable in date-format. |
var |
name of variable in date-format that should be used to calculate the new variables. |
The input data.frame df
is returned as it is, with six new
columns added,one for each time-variable.
df <- data.frame(
datoVariabel = c("2021-02-28",
"2013-09-15",
"2020-05-31",
"2015-12-12",
"2016-12-31",
"2016-01-01" ))
legg_til_tidsvariabler(df = df,
var = datoVariabel)
## Not run:
# FOR NORIC's ap, ak and ct-tables:
legg_til_tidsvariabler(ap, var = ProsedyreDato)
legg_til_tidsvariabler(ak, var = ProsedyreDato)
legg_til_tidsvariabler(ct, var = UndersokDato)
## End(Not run)
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