diverging_pal | R Documentation |
This is the ‘PuOr’ palette from https://colorbrewer2.org/. It has at most eleven colors.
diverging_pal(n)
n |
The number of colors in the palette. The maximum is eleven currently. |
This is similar to sequential_pal()
, but it also puts
emphasis on the mid-range values, plus the the two extreme ends.
Use this palette, if you have such a quantity to mark with vertex
colors.
A character vector of RGB color codes.
Other palettes:
categorical_pal()
,
r_pal()
,
sequential_pal()
library(igraphdata)
data(foodwebs)
fw <- foodwebs[[1]] %>%
induced_subgraph(V(.)[ECO == 1]) %>%
add_layout_(with_fr()) %>%
set_vertex_attr("label", value = seq_len(gorder(.))) %>%
set_vertex_attr("size", value = 10) %>%
set_edge_attr("arrow.size", value = 0.3)
V(fw)$color <- scales::dscale(V(fw)$Biomass %>% cut(10), diverging_pal)
plot(fw)
data(karate)
karate <- karate %>%
add_layout_(with_kk()) %>%
set_vertex_attr("size", value = 10)
V(karate)$color <- scales::dscale(degree(karate) %>% cut(5), diverging_pal)
plot(karate)
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