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 category 1880 7 7
#> 2 1881_03 sequential 1881 3 1
#> 3 1881_04 category 1881 4 4
#> 4 1881_08 grouped 1881 8 5
#> 5 1882_04 grouped 1882 4 2
#> 6 1883_04 diverging 1883 4 2
#> 7 1883_06 category 1883 6 4
#> 8 1883_07 diverging 1883 7 3
#> 9 1886_04 sequential 1886 4 2
#> 10 1886_07 category 1886 7 3
#> 11 1886_08 grouped 1886 8 4
#> 12 1887_06 grouped 1887 6 2
#> 13 1888_05 sequential 1888 5 1
#> 14 1891_03 grouped 1891 3 2
#> 15 1891_06 sequential 1891 6 1
#> 16 1891_07 sequential 1891 7 2
#> 17 1895_04 sequential 1895 4 3
#> 18 1900_06 sequential 1900 6 2
#> 19 1906_04 category 1906 4 4
#> 20 1906_06 category 1906 6 6
# List only sequential palettes
list_cheysson_pals("sequential")
#> name type album plate n_colors
#> 1 1881_03 sequential 1881 3 1
#> 2 1886_04 sequential 1886 4 2
#> 3 1888_05 sequential 1888 5 1
#> 4 1891_06 sequential 1891 6 1
#> 5 1891_07 sequential 1891 7 2
#> 6 1895_04 sequential 1895 4 3
#> 7 1900_06 sequential 1900 6 2
# List only category palettes
list_cheysson_pals("category")
#> name type album plate n_colors
#> 1 1880_07 category 1880 7 7
#> 2 1881_04 category 1881 4 4
#> 3 1883_06 category 1883 6 4
#> 4 1886_07 category 1886 7 3
#> 5 1906_04 category 1906 4 4
#> 6 1906_06 category 1906 6 6