Convert two-digit years to four-digit years with correct century

Related Contents:

  1. Transform year/week to date object
  2. Convert date-time string to class Date
  3. How to convert Excel date format to proper date in R
  4. How to flatten / merge overlapping time periods
  5. Generate a sequence of the last day of the month over two years
  6. Is there a more elegant way to convert two-digit years to four-digit years with lubridate?
  7. Create a Vector of All Days Between Two Dates
  8. Converting year and month (“yyyy-mm” format) to a date?
  9. How to prevent ifelse() from turning Date objects into numeric objects
  10. How to convert variable with mixed date formats to one format?
  11. Looping over a Date or POSIXct object results in a numeric iterator
  12. Axis labels on two lines with nested x variables (year below months)
  13. Get the difference between dates in terms of weeks, months, quarters, and years
  14. What are the “standard unambiguous date” formats for string-to-date conversion in R?
  15. Split date-time column into Date and time variables
  16. How to change multiple Date formats in same column?
  17. Changing date format in R
  18. Number of months between two dates
  19. How to get week numbers from dates?
  20. Convert integer to class Date
  21. How to get a vertical geom_vline to an x-axis of class date?
  22. as.Date with dates in format m/d/y in R
  23. Add a month to a Date [duplicate]
  24. How to subtract/add days from/to a date?
  25. efficiently generate a random sample of times and dates between two dates
  26. Formatting dates with scale_x_date in ggplot2
  27. Extract Month and Year From Date in R
  28. Split date into different columns for year, month and day
  29. Convert a numeric month to a month abbreviation
  30. Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/POSIXlt
  31. How to sort a data frame by date
  32. How to subtract years?
  33. Convert string to date, format: “dd.mm.yyyy”
  34. Converting Date formats in R [closed]
  35. Convert four digit year values to class Date
  36. Assigning Dates to Fiscal Year
  37. Format for ordinal dates (day of month with suffixes -st, -nd, -rd, -th)
  38. How can I fix corrupted dates in R?
  39. Convert yyyymmdd string to Date class in R
  40. How to aggregate a dataframe by week?
  41. R: How to get the Week number of the month
  42. Efficient and accurate age calculation (in years, months, or weeks) in R given birth date and an arbitrary date
  43. Converting date in Year.decimal form in R
  44. convert character to date *quickly* in R [duplicate]
  45. Order x axis day values in ggplot2
  46. Create end of the month date from a date variable
  47. Sort year-month column by year AND month
  48. R ifelse avoiding change in date format [duplicate]
  49. format year-month to POSIXct [duplicate]
  50. Round a POSIX date (POSIXct) with base R functionality

Leave a Comment