Dealing with TRUE, FALSE, NA and NaN

by

You don’t need to wrap anything in a function – the following works

a = c(T,F,NA)

a %in% TRUE

[1]  TRUE FALSE FALSE

More Related Contents:

  1. Logical operators (AND, OR) with NA, TRUE and FALSE
  2. Collapse / concatenate / aggregate a column to a single comma separated string within each group
  3. Filter data.frame rows by a logical condition
  4. Evaluate expression given as a string
  5. Pass a data.frame column name to a function
  6. What is the difference between require() and library()?
  7. How to sort a character vector where elements contain letters and numbers in R?
  8. Plot two graphs in same plot in R
  9. Add column which contains binned values of a numeric column
  10. Replace all 0 values to NA
  11. Paste multiple columns together
  12. How to find common elements from multiple vectors?
  13. Generate multiple graphics from within an R function
  14. Scheduling R Script
  15. Calculate group mean, sum, or other summary stats. and assign column to original data
  16. How to replace NA values in a table for selected columns
  17. What are the main differences between R data files?
  18. What are the differences between “=” and “
  19. Finding All Positions for Multiple Elements in a Vector
  20. Get filename without extension in R
  21. ending “+” prompt in R
  22. R round to nearest .5 or .1
  23. What do the %op% operators in mean? For example “%in%”?
  24. What does “Error: object ” not found” mean?
  25. Create categorical variable in R based on range
  26. Apply several summary functions (sum, mean, etc.) on several variables by group in one call
  27. Order of operator precedence when using “:” (the colon)
  28. Filtering rows in R unexpectedly removes NAs when using subset or dplyr::filter
  29. Difference between Boolean operators && and & and between || and | in R
  30. Add a box for the NA values to the ggplot legend for a continuous map

Leave a Comment