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mattparker-wf/get_monday.r

Created February 20, 2015 00:18
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Get the Monday or Sunday preceding a given date
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get_monday.r
# Source: the masterful Marc Schwartz, in this R-help thread:
# http://r.789695.n4.nabble.com/previous-monday-date-td3786395.html
# Getting the Monday preceding any date
# See ?cut.Date for additional info
as.Date(cut(Sys.Date(), breaks = "weeks"))
# Alternatively, the preceding Sunday:
as.Date(cut(Sys.Date(), breaks = "weeks", start.on.monday = FALSE)
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