Convert week number to date

by

as.Date is calling the 1 to 9 as NA as it is expects two digits for the week number and can’t properly parse it.

To fix it, add in some – to split things up:

as.Date(paste(2014, df$Week, 1, sep="-"), "%Y-%U-%u")

More Related Contents:

  1. r: convert a string to date [duplicate]
  2. Convert date-time string to class Date
  3. What are the “standard unambiguous date” formats for string-to-date conversion in R?
  4. R Convert to date from multiple formats
  5. Reshaping data.frame from wide to long format
  6. Combine two data frames by rows (rbind) when they have different sets of columns
  7. How to combine multiple conditions to subset a data-frame using “OR”?
  8. How to merge 2 vectors alternating indexes?
  9. How to put labels over geom_bar in R with ggplot2
  10. Wrap long axis labels via labeller=label_wrap in ggplot2
  11. Access variable value where the name of variable is stored in a string
  12. Converting decimal to binary in R?
  13. How to read in numbers with a comma as decimal separator?
  14. R Shiny – add tabPanel to tabsetPanel dynamically (with the use of renderUI)
  15. How to generate a number of most distinctive colors in R?
  16. Keeping trailing zeros
  17. Bar plot with log scales
  18. Passing command line arguments to R CMD BATCH
  19. How to change order of boxplots when using ggplot2?
  20. Using stargazer with Rstudio and Knitr
  21. listing contents of an R data file without loading
  22. How do you determine the namespace of a function?
  23. R: Plotting a 3D surface from x, y, z
  24. How to fill with different colors between two lines? (originally: fill geom_polygon with different colors above and below y = 0 (or any other value)?)
  25. ggplot geom_point() with colors based on specific, discrete values
  26. For the same code, labels (q1, median) appear on one computer but don’t appear on another computer
  27. GGplot custom scale transformation with custom ticks
  28. R programming: cache the inverse of a matrix
  29. Multiply columns in a data frame by a vector
  30. R – What algorithm does geom_density() use and how to extract points/equation of curves?

Leave a Comment