A function to quote and combine unquoted values. The function will return a vector of quoted values. This function allows you to use non-standard evaluation for any parameter that accepts a string or vector of strings.
v(...)
... | One or more unquoted values. |
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A vector of quoted values.
# Combine unquoted values v(var1, var2, var3) # [1] "var1" "var2" "var3" # Data frame subset dat <- mtcars[1:5, v(mpg, cyl, disp)] dat # mpg cyl disp # Mazda RX4 21.0 6 160 # Mazda RX4 Wag 21.0 6 160 # Datsun 710 22.8 4 108 # Hornet 4 Drive 21.4 6 258 # Hornet Sportabout 18.7 8 360 # Data frame sort dat2 <- sort(dat, by = v(cyl, mpg)) dat2 # mpg cyl disp # Datsun 710 22.8 4 108 # Mazda RX4 21.0 6 160 # Mazda RX4 Wag 21.0 6 160 # Hornet 4 Drive 21.4 6 258 # Hornet Sportabout 18.7 8 360