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if(!require('lubridate')) {
install.packages('lubridate')
library('lubridate')
}x <- c("09-01-01", "09-01-02", "09-01-03")
ymd(x)
x <- c("2009-01-01", "2009-01-02", "2009-01-03")
ymd(x)
ymd(090101, 90102)
now() > ymd(20090101)
## TRUE
dmy(010210)
mdy(010210)
yq('2014.2')
## heterogeneous formats in a single vector:
x <- c(20090101, "2009-01-02", "2009 01 03", "2009-1-4",
"2009-1, 5", "Created on 2009 1 6", "200901 !!! 07")
ymd(x)
## What lubridate might not handle:
## Extremely weird cases when one of the separators is "" and some of the
## formats are not in double digits might not be parsed correctly:
if (FALSE) ymd("201002-01", "201002-1", "20102-1")
dmy("0312-2010", "312-2010")