This function will invert the order of rows in a data frame and optionally returns the data frame as a tibble or data table.
Arguments
- df
Short for data frame, the first argument should be a data frame of any type.
- out
Short for output, this argument determines the form of the resulting data. Options include 'DF' for data frame, 'TB' for tibble, and 'DT' for data table.
Details
Function will return errors if first argument is not of type data frame. out is an optional argument that determines if the output is a data frame, tibble, or data table. Defaults to data frame if left empty.
Examples
invert_row(mtcars)
#> mpg cyl disp hp drat wt qsec vs am gear carb
#> Volvo 142E 21.4 4 121.0 109 4.11 2.780 18.60 1 1 4 2
#> Maserati Bora 15.0 8 301.0 335 3.54 3.570 14.60 0 1 5 8
#> Ferrari Dino 19.7 6 145.0 175 3.62 2.770 15.50 0 1 5 6
#> Ford Pantera L 15.8 8 351.0 264 4.22 3.170 14.50 0 1 5 4
#> Lotus Europa 30.4 4 95.1 113 3.77 1.513 16.90 1 1 5 2
#> Porsche 914-2 26.0 4 120.3 91 4.43 2.140 16.70 0 1 5 2
#> Fiat X1-9 27.3 4 79.0 66 4.08 1.935 18.90 1 1 4 1
#> Pontiac Firebird 19.2 8 400.0 175 3.08 3.845 17.05 0 0 3 2
#> Camaro Z28 13.3 8 350.0 245 3.73 3.840 15.41 0 0 3 4
#> AMC Javelin 15.2 8 304.0 150 3.15 3.435 17.30 0 0 3 2
#> Dodge Challenger 15.5 8 318.0 150 2.76 3.520 16.87 0 0 3 2
#> Toyota Corona 21.5 4 120.1 97 3.70 2.465 20.01 1 0 3 1
#> Toyota Corolla 33.9 4 71.1 65 4.22 1.835 19.90 1 1 4 1
#> Honda Civic 30.4 4 75.7 52 4.93 1.615 18.52 1 1 4 2
#> Fiat 128 32.4 4 78.7 66 4.08 2.200 19.47 1 1 4 1
#> Chrysler Imperial 14.7 8 440.0 230 3.23 5.345 17.42 0 0 3 4
#> Lincoln Continental 10.4 8 460.0 215 3.00 5.424 17.82 0 0 3 4
#> Cadillac Fleetwood 10.4 8 472.0 205 2.93 5.250 17.98 0 0 3 4
#> Merc 450SLC 15.2 8 275.8 180 3.07 3.780 18.00 0 0 3 3
#> Merc 450SL 17.3 8 275.8 180 3.07 3.730 17.60 0 0 3 3
#> Merc 450SE 16.4 8 275.8 180 3.07 4.070 17.40 0 0 3 3
#> Merc 280C 17.8 6 167.6 123 3.92 3.440 18.90 1 0 4 4
#> Merc 280 19.2 6 167.6 123 3.92 3.440 18.30 1 0 4 4
#> Merc 230 22.8 4 140.8 95 3.92 3.150 22.90 1 0 4 2
#> Merc 240D 24.4 4 146.7 62 3.69 3.190 20.00 1 0 4 2
#> Duster 360 14.3 8 360.0 245 3.21 3.570 15.84 0 0 3 4
#> Valiant 18.1 6 225.0 105 2.76 3.460 20.22 1 0 3 1
#> Hornet Sportabout 18.7 8 360.0 175 3.15 3.440 17.02 0 0 3 2
#> Hornet 4 Drive 21.4 6 258.0 110 3.08 3.215 19.44 1 0 3 1
#> Datsun 710 22.8 4 108.0 93 3.85 2.320 18.61 1 1 4 1
#> Mazda RX4 Wag 21.0 6 160.0 110 3.90 2.875 17.02 0 1 4 4
#> Mazda RX4 21.0 6 160.0 110 3.90 2.620 16.46 0 1 4 4
invert_row(mtcars, "TB")
#> # A tibble: 32 x 11
#> mpg cyl disp hp drat wt qsec vs am gear carb
#> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 21.4 4 121 109 4.11 2.78 18.6 1 1 4 2
#> 2 15 8 301 335 3.54 3.57 14.6 0 1 5 8
#> 3 19.7 6 145 175 3.62 2.77 15.5 0 1 5 6
#> 4 15.8 8 351 264 4.22 3.17 14.5 0 1 5 4
#> 5 30.4 4 95.1 113 3.77 1.51 16.9 1 1 5 2
#> 6 26 4 120. 91 4.43 2.14 16.7 0 1 5 2
#> 7 27.3 4 79 66 4.08 1.94 18.9 1 1 4 1
#> 8 19.2 8 400 175 3.08 3.84 17.0 0 0 3 2
#> 9 13.3 8 350 245 3.73 3.84 15.4 0 0 3 4
#> 10 15.2 8 304 150 3.15 3.44 17.3 0 0 3 2
#> # ... with 22 more rows