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read undirected graph csv file in R with library statnet

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0

I have a csv file which has 2 columns, the first and second column contain nodes, each row means the nodes of an edge of an undirected graph. I am new to R, and this is my code:

library(statnet)
dat <- read.csv('Slashdot081106_nosign.csv')
print(head(dat))
net <- as.network(dat, matrix.type="edgelist")

and the console shows:

 from to
1 0 1
2 0 2
3 0 3
4 0 4
5 0 5
6 0 6
Error in add.edges.network(g, as.list(x[, 1]), as.list(x[, 2]), edge.check = edge.check) : 
 (edge check) Illegal vertex reference in addEdges_R. Exiting.

I have searched a lot about this error info, however in vain. Who can tell me how to solve this problem ?

Thanks in advance !

r networking undirected-graph statnet

share|improve this question

asked Mar 8 at 6:51

Jun.WJun.W

11

add a comment | 

0

I have a csv file which has 2 columns, the first and second column contain nodes, each row means the nodes of an edge of an undirected graph. I am new to R, and this is my code:

library(statnet)
dat <- read.csv('Slashdot081106_nosign.csv')
print(head(dat))
net <- as.network(dat, matrix.type="edgelist")

and the console shows:

 from to
1 0 1
2 0 2
3 0 3
4 0 4
5 0 5
6 0 6
Error in add.edges.network(g, as.list(x[, 1]), as.list(x[, 2]), edge.check = edge.check) : 
 (edge check) Illegal vertex reference in addEdges_R. Exiting.

I have searched a lot about this error info, however in vain. Who can tell me how to solve this problem ?

Thanks in advance !

r networking undirected-graph statnet

share|improve this question

asked Mar 8 at 6:51

Jun.WJun.W

11

add a comment | 

I have a csv file which has 2 columns, the first and second column contain nodes, each row means the nodes of an edge of an undirected graph. I am new to R, and this is my code:

library(statnet)
dat <- read.csv('Slashdot081106_nosign.csv')
print(head(dat))
net <- as.network(dat, matrix.type="edgelist")

and the console shows:

 from to
1 0 1
2 0 2
3 0 3
4 0 4
5 0 5
6 0 6
Error in add.edges.network(g, as.list(x[, 1]), as.list(x[, 2]), edge.check = edge.check) : 
 (edge check) Illegal vertex reference in addEdges_R. Exiting.

I have searched a lot about this error info, however in vain. Who can tell me how to solve this problem ?

Thanks in advance !

r networking undirected-graph statnet

share|improve this question

asked Mar 8 at 6:51

Jun.WJun.W

11

library(statnet)
dat <- read.csv('Slashdot081106_nosign.csv')
print(head(dat))
net <- as.network(dat, matrix.type="edgelist")

 from to
1 0 1
2 0 2
3 0 3
4 0 4
5 0 5
6 0 6
Error in add.edges.network(g, as.list(x[, 1]), as.list(x[, 2]), edge.check = edge.check) : 
 (edge check) Illegal vertex reference in addEdges_R. Exiting.

share|improve this question

asked Mar 8 at 6:51

Jun.WJun.W

11

share|improve this question

asked Mar 8 at 6:51

Jun.WJun.W

11

asked Mar 8 at 6:51

Jun.WJun.W

11

asked Mar 8 at 6:51

Jun.WJun.W

11