period_variable.Rdget period variables with same return value
period_variable( x, period, range = c(0, period), range.inclusion = c("left", "both", "right", "neither"), simplify = F )
| x | a vector of variables in one period |
|---|---|
| period | the period |
| range | the range in which variables (usually with the same values with x) will be returned |
| range.inclusion | left or right inclusion for |
| simplify | return list or not, see |
a vector
#> [[1]] #> [1] -3.141593 3.141593 9.424778 #>