This function marks duplicate timestamps in the input vector.
     
    
    detect_duplicates(timestamps)
 
    
    Arguments
    - timestamps
- timestamp vector of type Date or POSIXct 
 
    
    Value
    Logical vector with same length as x, specifying TRUE for a duplicate value.
     
    
    Examples
    # In case of a vector:
ts <- seq(as.Date('2019-01-01'), as.Date('2019-01-5'), by = 'day')
ts <- c(ts, as.Date('2019-01-5'))
detect_duplicates(ts)
#> [1] FALSE FALSE FALSE FALSE FALSE  TRUE