Find Column Indices for Vertical Pagination
Arguments
- obj
ANY. object to be paginated. Must have a
matrix_formmethod.- cpp
numeric(1). Number of characters per page (width)
- colwidths
numeric vector. Column widths (in characters) for use with vertical pagination.
- verbose
logical(1). Should additional informative messages about the search for pagination breaks be shown. Defaults to
FALSE.- rep_cols
numeric(1). Number of columns (not including row labels) to be repeated on every page. Defaults to 0
Value
A list partitioning the vector of column indices into subsets for 1 or more horizontally paginated pages.
Examples
mf <- basic_matrix_form(df = mtcars)
colpaginds <- vert_pag_indices(mf)
lapply(colpaginds, function(j) mtcars[, j, drop = FALSE])
#> [[1]]
#> mpg cyl disp
#> Mazda RX4 21.0 6 160.0
#> Mazda RX4 Wag 21.0 6 160.0
#> Datsun 710 22.8 4 108.0
#> Hornet 4 Drive 21.4 6 258.0
#> Hornet Sportabout 18.7 8 360.0
#> Valiant 18.1 6 225.0
#> Duster 360 14.3 8 360.0
#> Merc 240D 24.4 4 146.7
#> Merc 230 22.8 4 140.8
#> Merc 280 19.2 6 167.6
#> Merc 280C 17.8 6 167.6
#> Merc 450SE 16.4 8 275.8
#> Merc 450SL 17.3 8 275.8
#> Merc 450SLC 15.2 8 275.8
#> Cadillac Fleetwood 10.4 8 472.0
#> Lincoln Continental 10.4 8 460.0
#> Chrysler Imperial 14.7 8 440.0
#> Fiat 128 32.4 4 78.7
#> Honda Civic 30.4 4 75.7
#> Toyota Corolla 33.9 4 71.1
#> Toyota Corona 21.5 4 120.1
#> Dodge Challenger 15.5 8 318.0
#> AMC Javelin 15.2 8 304.0
#> Camaro Z28 13.3 8 350.0
#> Pontiac Firebird 19.2 8 400.0
#> Fiat X1-9 27.3 4 79.0
#> Porsche 914-2 26.0 4 120.3
#> Lotus Europa 30.4 4 95.1
#> Ford Pantera L 15.8 8 351.0
#> Ferrari Dino 19.7 6 145.0
#> Maserati Bora 15.0 8 301.0
#> Volvo 142E 21.4 4 121.0
#>
#> [[2]]
#> hp drat wt
#> Mazda RX4 110 3.90 2.620
#> Mazda RX4 Wag 110 3.90 2.875
#> Datsun 710 93 3.85 2.320
#> Hornet 4 Drive 110 3.08 3.215
#> Hornet Sportabout 175 3.15 3.440
#> Valiant 105 2.76 3.460
#> Duster 360 245 3.21 3.570
#> Merc 240D 62 3.69 3.190
#> Merc 230 95 3.92 3.150
#> Merc 280 123 3.92 3.440
#> Merc 280C 123 3.92 3.440
#> Merc 450SE 180 3.07 4.070
#> Merc 450SL 180 3.07 3.730
#> Merc 450SLC 180 3.07 3.780
#> Cadillac Fleetwood 205 2.93 5.250
#> Lincoln Continental 215 3.00 5.424
#> Chrysler Imperial 230 3.23 5.345
#> Fiat 128 66 4.08 2.200
#> Honda Civic 52 4.93 1.615
#> Toyota Corolla 65 4.22 1.835
#> Toyota Corona 97 3.70 2.465
#> Dodge Challenger 150 2.76 3.520
#> AMC Javelin 150 3.15 3.435
#> Camaro Z28 245 3.73 3.840
#> Pontiac Firebird 175 3.08 3.845
#> Fiat X1-9 66 4.08 1.935
#> Porsche 914-2 91 4.43 2.140
#> Lotus Europa 113 3.77 1.513
#> Ford Pantera L 264 4.22 3.170
#> Ferrari Dino 175 3.62 2.770
#> Maserati Bora 335 3.54 3.570
#> Volvo 142E 109 4.11 2.780
#>
#> [[3]]
#> qsec vs am
#> Mazda RX4 16.46 0 1
#> Mazda RX4 Wag 17.02 0 1
#> Datsun 710 18.61 1 1
#> Hornet 4 Drive 19.44 1 0
#> Hornet Sportabout 17.02 0 0
#> Valiant 20.22 1 0
#> Duster 360 15.84 0 0
#> Merc 240D 20.00 1 0
#> Merc 230 22.90 1 0
#> Merc 280 18.30 1 0
#> Merc 280C 18.90 1 0
#> Merc 450SE 17.40 0 0
#> Merc 450SL 17.60 0 0
#> Merc 450SLC 18.00 0 0
#> Cadillac Fleetwood 17.98 0 0
#> Lincoln Continental 17.82 0 0
#> Chrysler Imperial 17.42 0 0
#> Fiat 128 19.47 1 1
#> Honda Civic 18.52 1 1
#> Toyota Corolla 19.90 1 1
#> Toyota Corona 20.01 1 0
#> Dodge Challenger 16.87 0 0
#> AMC Javelin 17.30 0 0
#> Camaro Z28 15.41 0 0
#> Pontiac Firebird 17.05 0 0
#> Fiat X1-9 18.90 1 1
#> Porsche 914-2 16.70 0 1
#> Lotus Europa 16.90 1 1
#> Ford Pantera L 14.50 0 1
#> Ferrari Dino 15.50 0 1
#> Maserati Bora 14.60 0 1
#> Volvo 142E 18.60 1 1
#>
#> [[4]]
#> gear carb
#> Mazda RX4 4 4
#> Mazda RX4 Wag 4 4
#> Datsun 710 4 1
#> Hornet 4 Drive 3 1
#> Hornet Sportabout 3 2
#> Valiant 3 1
#> Duster 360 3 4
#> Merc 240D 4 2
#> Merc 230 4 2
#> Merc 280 4 4
#> Merc 280C 4 4
#> Merc 450SE 3 3
#> Merc 450SL 3 3
#> Merc 450SLC 3 3
#> Cadillac Fleetwood 3 4
#> Lincoln Continental 3 4
#> Chrysler Imperial 3 4
#> Fiat 128 4 1
#> Honda Civic 4 2
#> Toyota Corolla 4 1
#> Toyota Corona 3 1
#> Dodge Challenger 3 2
#> AMC Javelin 3 2
#> Camaro Z28 3 4
#> Pontiac Firebird 3 2
#> Fiat X1-9 4 1
#> Porsche 914-2 5 2
#> Lotus Europa 5 2
#> Ford Pantera L 5 4
#> Ferrari Dino 5 6
#> Maserati Bora 5 8
#> Volvo 142E 4 2
#>