Derive end of the week date in r

x <- seq(Sys.Date(), by = "1 day", length.out = 21)
data.frame(
  x = x,
  weekday = weekdays(x),
  next_friday = ceiling_date(x, "week") + 
    ifelse(weekdays(x) %in% c("Saturday", "Sunday"), 5, -2)
)
##              x   weekday next_friday
##  1  2014-11-17    Monday  2014-11-21
##  2  2014-11-18   Tuesday  2014-11-21
##  3  2014-11-19 Wednesday  2014-11-21
##  4  2014-11-20  Thursday  2014-11-21
##  5  2014-11-21    Friday  2014-11-21
##  6  2014-11-22  Saturday  2014-11-28
##  7  2014-11-23    Sunday  2014-11-28
##  8  2014-11-24    Monday  2014-11-28
##  9  2014-11-25   Tuesday  2014-11-28
##  10 2014-11-26 Wednesday  2014-11-28
##  11 2014-11-27  Thursday  2014-11-28
##  12 2014-11-28    Friday  2014-11-28
##  13 2014-11-29  Saturday  2014-12-05
##  14 2014-11-30    Sunday  2014-12-05
##  15 2014-12-01    Monday  2014-12-05
##  16 2014-12-02   Tuesday  2014-12-05
##  17 2014-12-03 Wednesday  2014-12-05
##  18 2014-12-04  Thursday  2014-12-05
##  19 2014-12-05    Friday  2014-12-05
##  20 2014-12-06  Saturday  2014-12-12
##  21 2014-12-07    Sunday  2014-12-12

Source: stackoverflow.com

Similar codes

0 vote149 views1 answer
R count list
R
0 vote223 views1 answer
Rstudio github upload
R
0 vote176 views1 answer
Reduce ggtitle size
R
1 vote256 views1 answer
If not i startswith R
R
0 vote158 views1 answer
Vector with real numbers R
R
0 vote169 views1 answer
Reorder factors in r
R
0 vote176 views1 answer
Libpath r
R
0 vote313 views1 answer
Index in r
R
4 votes320 views6 answers
Read csv in r
R
0 vote184 views5 answers
Identify multiple spellings in R
R