Returns information about available Cheysson color palettes, optionally filtered by type.
Examples
# List all palettes
list_cheysson_pals()
#> name type album plate n_colors
#> 1 1880_07 grouped 1880 7 5
#> 2 1880_21 category 1880 21 7
#> 3 1881_12 sequential 1881 12 1
#> 4 1881_14 grouped 1881 14 2
#> 5 1881_22 category 1881 22 4
#> 6 1881_30 grouped 1881 30 5
#> 7 1882_18 grouped 1882 18 2
#> 8 1883_13 category 1883 13 4
#> 9 1883_21 diverging 1883 21 3
#> 10 1883_31 diverging 1883 31 2
#> 11 1886_11 grouped 1886 11 4
#> 12 1886_17 grouped 1886 17 3
#> 13 1886_18 grouped 1886 18 3
#> 14 1886_24 grouped 1886 24 3
#> 15 1886_26 sequential 1886 26 2
#> 16 1886_28 category 1886 28 3
#> 17 1887_22 grouped 1887 22 2
#> 18 1888_27 sequential 1888 27 1
#> 19 1891_14 grouped 1891 14 2
#> 20 1891_19 sequential 1891 19 1
#> 21 1891_25 sequential 1891 25 2
#> 22 1895_16 sequential 1895 16 3
#> 23 1900_28 sequential 1900 28 2
#> 24 1906_06 category 1906 6 6
#> 25 1906_50 category 1906 50 4
# List only sequential palettes
list_cheysson_pals("sequential")
#> name type album plate n_colors
#> 1 1881_12 sequential 1881 12 1
#> 2 1886_26 sequential 1886 26 2
#> 3 1888_27 sequential 1888 27 1
#> 4 1891_19 sequential 1891 19 1
#> 5 1891_25 sequential 1891 25 2
#> 6 1895_16 sequential 1895 16 3
#> 7 1900_28 sequential 1900 28 2
# List only category palettes
list_cheysson_pals("category")
#> name type album plate n_colors
#> 1 1880_21 category 1880 21 7
#> 2 1881_22 category 1881 22 4
#> 3 1883_13 category 1883 13 4
#> 4 1886_28 category 1886 28 3
#> 5 1906_06 category 1906 6 6
#> 6 1906_50 category 1906 50 4