Dear community
Find enclosed the full working example.
Many thanks
Sibylle
Test_cat.csv
Names
Subcategory_type
sources.cyto
source
Factor
A.A
material
"A"
A
1
B.B
material
"B"
B
1
C.C
regulation
"C"
C
1
D.D
regulation
"D"
D
1
E.E
habitat
"E"
E
1
F.F
cultural
"F"
F
1
Test_adjac.csv
A.A
B.B
C.C
D.D
E.E
F.F
A.A
0
0
5
5
5
5
B.B
4
0
1
1
1
1
C.C
5
5
0
5
4
2
D.D
5
0
5
0
5
3
E.E
5
1
5
5
0
4
F.F
1
2
3
4
5
5
Edges_table-Test.csv
Names
target
weight
relationship
B.B
A.A
4
pos
C.C
A.A
5
pos
D.D
A.A
5
neg
E.E
A.A
5
pos
F.F
A.A
1
pos
C.C
B.B
5
pos
E.E
B.B
1
pos
F.F
B.B
2
neg
A.A
C.C
5
pos
B.B
C.C
1
pos
D.D
C.C
5
pos
E.E
C.C
5
pos
F.F
C.C
3
pos
A.A
D.D
5
neg
B.B
D.D
1
pos
C.C
D.D
5
pos
E.E
D.D
5
pos
F.F
D.D
4
pos
A.A
E.E
5
pos
B.B
E.E
1
pos
C.C
E.E
4
pos
D.D
E.E
5
pos
F.F
E.E
5
pos
A.A
F.F
5
pos
B.B
F.F
1
neg
C.C
F.F
2
pos
D.D
F.F
3
pos
E.E
F.F
4
pos
F.F
F.F
5
pos
#upload librairies
library(circlize)
library(ggplot2)
library(igraph)
library(tidyverse)
library(RColorBrewer)
library(stringi)
library(scico)
library(plotly)
library(ggraph)
#upload
aes<-read.csv("Test_adjac.csv", row.names = 1)
details<-read.csv("Test_cat.csv")
# adjacency table
aes_collapsed<-aes %>%
rownames_to_column(var='Names') %>%
tidyr::gather(target, weight, 1:ncol(aes)+1) %>%
dplyr::filter(weight != 0) %>%
mutate(weight = ifelse(weight == "-1", 0, weight)) # here 0 = negative values
write.csv(aes_collapsed, "edges_table-Test.csv", row.names = F)
edge_list<-read.csv("edges_table-Test.csv")
#create network and add some necessary attributes (vertices) for the plot
network <- graph_from_data_frame(aes_collapsed, directed= FALSE,
vertices = details)
### network and vertex with 'subcategory_type'
temp<-cluster_optimal(network)
temp<-cbind(membership=temp$membership, Names=temp$name)
aes_collapsed <- aes_collapsed %>%
merge(temp, by="Names")
network <- network %>%
set_edge_attr(name = "type", value = factor(aes_collapsed$Names,
ordered =
is.ordered(V(network)$name))) %>%
set_edge_attr(name = "membership", value = aes_collapsed$membership) %>%
set_edge_attr(name = "color",
value = c(viridis::viridis(21))
[match(E(.)$type, c(factor(V(.)$name)))]) %>%
set_vertex_attr(name = "trans_v_net", value = c(transitivity(., type =
"local"))) %>%
set_vertex_attr(name = "hub_score", value = c(hub_score(.)$vector)) %>%
set_vertex_attr(name = "color",
value = c(viridis::viridis((21)))
[match(V(.)$name, c(factor(V(.)$name)))]) %>%
set_vertex_attr(name= "community", value=cluster_optimal(.)$Subcategory_type)
clrs<-scico(3, palette = "batlow")
windowsFonts(Helvetica = windowsFont("Helvetica"))
par(bg="black")
network %>% plot(
vertex.color=clrs[V(.)$community],
vertex.size=V(.)$hub_score*20,
vertex.frame.color=V(.)$color,
vertex.label.color="white",
vertex.label.cex=0.4,
vertex.label.family="Helvetica",
vertex.label.font=0.75,
edge.curved=0.5,
edge.width= E(.)$weight,
edge.color = ifelse(edge_list$relationship == "pos", "blue", "red"),
layout=layout_with_mds(.))
tiff("figures/Test_network_bysubcatecory.tiff", width=1000, height=900, res=120)
network %>%
ggraph(., layout = "auto")+
geom_edge_arc(curvature=0.3, aes(width=(E(network)$weight/10),
color=c("darkblue", "red")[as.factor(edge_list$relationship)], alpha=0.5)) +
geom_node_point(aes(size = V(network)$hub_score*200, color=
as.factor(V(network)$community))) +
geom_node_text(aes(label = V(network)$name), size=3, color="white", repel=T)+
scale_color_scico_d(palette = "batlow")+
scale_edge_width(range = c(0.2,4))+
scale_size(range = c(0.5,15)) +
theme(plot.background = element_rect(fill = "black"),
legend.position = "right",
panel.background = element_rect(fill = "black"))
dev.off()
-----Original Message-----
From: R-help <r-help-boun...@r-project.org> On Behalf Of Kimmo Elo
Sent: Thursday, March 21, 2024 10:51 AM
To: r-help@r-project.org
Subject: Re: [R] geom_edge & color
Dear Sibylle,
your example is not working! E.g. no data for "aes_collapsed".
Best,
Kimmo
ke, 2024-03-20 kello 19:28 +0100, SIBYLLE STÖCKLI via R-help kirjoitti:
> Dear community
>
> I am using ggraph to plot a network analysis. See part 2 in the
> working example.
> Besides different colors for different groups of nodes:
> --> geom_node_point(aes(size = V(network)$hub_score*200, color=
> as.factor(V(network)$community)))
> I additionally want to consider different colors for different edge
> groups The grouping is defined in the edge_list$relationship: negative
> relationship = red and positive relationship = darkblue. The code is
> working in the way that the groups are separated by two colors.
> However, the code uses not the assigned colors. Does anyone have any
> idea how to adapt the code?
> --> geom_edge_arc(curvature=0.3, aes(width=(E(network)$weight/10),
> color=c("darkblue", "red")[as.factor(edge_list$relationship)],
> alpha=0.5)) +
>
> Kind regards
> Sibylle
>
>
>
>
> Working example
>
> library(circlize)
> library(ggplot2)
> library(igraph)
> library(tidyverse)
> library(RColorBrewer)
> library(stringi)
> library(scico)
> library(plotly)
> library(ggraph)
>
> edges_table_Test.csv
>
> Names target weight relationship
> B.B A.A 4 pos
> C.C A.A 5 pos
> D.D A.A 5 neg
> E.E A.A 5 neg
> F.F A.A 1 pos
> C.C B.B 5 pos
> E.E B.B 1 pos
> F.F B.B 2 pos
> A.A C.C 5 pos
> B.B C.C 1 pos
> D.D C.C 5 pos
> E.E C.C 5 pos
> F.F C.C 3 pos
> A.A D.D 5 neg
> B.B D.D 1 neg
> C.C D.D 5 neg
> E.E D.D 5 neg
> F.F D.D 4 neg
> A.A E.E 5 neg
> B.B E.E 1 neg
> C.C E.E 4 neg
> D.D E.E 5 neg
> F.F E.E 5 pos
> A.A F.F 5 pos
> B.B F.F 1 pos
> C.C F.F 2 pos
> D.D F.F 3 pos
> E.E F.F 4 pos
> F.F F.F 5 pos
>
> edge_list<-read.csv("edges_table_Test.csv")
>
> network <- graph_from_data_frame(aes_collapsed, directed= FALSE,
> vertices = details)
>
> temp<-cluster_optimal(network)
> temp<-cbind(membership=temp$membership, Names=temp$name) aes_collapsed
> <- aes_collapsed %>%
> merge(temp, by="Names")
>
>
> network <- network %>%
> set_edge_attr(name = "type", value = factor(aes_collapsed$Names,
> ordered =
> is.ordered(V(network)$name))) %>%
> set_edge_attr(name = "membership", value = aes_collapsed$membership)
> %>%
> set_edge_attr(name = "color",
> value = c(viridis::viridis(5))
> [match(E(.)$type, c(factor(V(.)$name)))]) %>%
> set_vertex_attr(name = "trans_v_net", value = c(transitivity(., type
> =
> "local"))) %>%
> set_vertex_attr(name = "hub_score", value = c(hub_score(.)$vector))
> %>%
> set_vertex_attr(name = "color",
> value = c(viridis::viridis((5)))
> [match(V(.)$name, c(factor(V(.)$name)))]) %>%
> set_vertex_attr(name= "community",
> value=cluster_optimal(.)$membership)
> clrs<-scico(3, palette = "batlow")
>
> ### part 1: network plot
> par(bg="black")
> network %>% plot(
> vertex.color=clrs[V(.)$community],
> vertex.size=V(.)$hub_score*5,
> vertex.frame.color=V(.)$color,
> vertex.label.color="white",
> vertex.label.cex=0.5,
> vertex.label.family="Helvetica",
> vertex.label.font=1,
> edge.curved=0.5,
> edge.width= network,
> layout=layout_with_mds(.))
>
> ### part 2: ggraph
> tiff("figures/AES_network_bymembership.tiff", width=1000, height=700,
> res=120) network %>%
> ggraph(., layout = "auto")+
> geom_edge_arc(curvature=0.3, aes(width=(E(network)$weight/10),
> color=c("darkblue", "red")[as.factor(edge_list$relationship)],
> alpha=0.5)) +
>
> geom_node_point(aes(size = V(network)$hub_score*200, color=
> as.factor(V(network)$community))) +
> geom_node_text(aes(label = V(network)$name), size=5, color="white",
> repel=T)+
> scale_color_scico_d(palette = "batlow")+
> scale_edge_width(range = c(0.2,4))+
> scale_size(range = c(0.5,20)) +
> #scale_edge_color_manual(values = c(scico(21, palette="batlow")))+
> theme(plot.background = element_rect(fill = "black"),
> legend.position = "right",
> panel.background = element_rect(fill = "black"))
> dev.off()
>
> ______________________________________________
> <mailto:R-help@r-project.org> R-help@r-project.org mailing list -- To
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> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> <http://www.R-project.org/posting-guide.html>
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
______________________________________________
<mailto:R-help@r-project.org> R-help@r-project.org mailing list -- To
UNSUBSCRIBE and more, see <https://stat.ethz.ch/mailman/listinfo/r-help>
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide <http://www.R-project.org/posting-guide.html>
http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
