Description Usage Arguments Details Value Author(s) Examples
get the first,last and open dates of all IFs.
1 2 | getIFlastfirstday(begM = zoo::as.yearmon("2010-05"),
endM = zoo::as.yearmon(Sys.Date()))
|
begM |
beginning month,a yearmon object. |
endM |
ending month,a yearmon object. |
Note that the "firstday" is the date when the current-month IF switching,while the "openday" is the date the IF IPOing.
a dataframe,with cols: date(of class Date),IF01(of class character) and firstday,lastday,openday(of class Date)
Ruifei.Yin
1 |
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