Small helper function to define the proper order per individual/site, to arrange the sites/individuals properly within the application. Arranges first on all string letters, and then on the numbers.
Examples
order_string(rownames(mtcars))
#> [1] "AMC Javelin" "Cadillac Fleetwood" "Camaro Z28"
#> [4] "Chrysler Imperial" "Datsun 710" "Dodge Challenger"
#> [7] "Duster 360" "Ferrari Dino" "Fiat 128"
#> [10] "Fiat X1-9" "Ford Pantera L" "Honda Civic"
#> [13] "Hornet 4 Drive" "Hornet Sportabout" "Lincoln Continental"
#> [16] "Lotus Europa" "Maserati Bora" "Mazda RX4"
#> [19] "Mazda RX4 Wag" "Merc 230" "Merc 280"
#> [22] "Merc 280C" "Merc 240D" "Merc 450SE"
#> [25] "Merc 450SL" "Merc 450SLC" "Pontiac Firebird"
#> [28] "Porsche 914-2" "Toyota Corolla" "Toyota Corona"
#> [31] "Valiant" "Volvo 142E"