Displaying 20 results from an estimated 500 matches similar to: "igraph node placement"
2009 Apr 18
0
igraph 0.5.2
igraph is a package for graphs/networks. It has a C core and
uses a simple and fast graph representation allowing millions
of vertices and edges.
LINKS
Release notes for the 0.5.2 version:
http://igraph.sourceforge.net/relnotes-0.5.2.html
Release notes for the 0.5.1 version:
http://igraph.sourceforge.net/relnotes-0.5.1.html
Complete list of changes:
http://igraph.sourceforge.net/news.html
The
2009 Apr 18
0
igraph 0.5.2
igraph is a package for graphs/networks. It has a C core and
uses a simple and fast graph representation allowing millions
of vertices and edges.
LINKS
Release notes for the 0.5.2 version:
http://igraph.sourceforge.net/relnotes-0.5.2.html
Release notes for the 0.5.1 version:
http://igraph.sourceforge.net/relnotes-0.5.1.html
Complete list of changes:
http://igraph.sourceforge.net/news.html
The
2008 Feb 20
0
igraph package, version 0.5
igraph is a package for graphs and networks. It has a C core and
uses a simple and fast graph representation allowing millions
of vertices and edges.
NEW FEATURES:
- We use the ARPACK library for graph related eigenvalue problems,
like Page Rank calculation, Kleinberg's hub and authority scores,
eigenvector centrality, etc. There is also a generic interface
if someone wants to use
2008 Feb 20
0
igraph package, version 0.5
igraph is a package for graphs and networks. It has a C core and
uses a simple and fast graph representation allowing millions
of vertices and edges.
NEW FEATURES:
- We use the ARPACK library for graph related eigenvalue problems,
like Page Rank calculation, Kleinberg's hub and authority scores,
eigenvector centrality, etc. There is also a generic interface
if someone wants to use
2011 Feb 09
0
[R-SIG-Mac] Plotting Chinese characters
Alberto,
you simply need a font that has those characters. For example on 10.6 this works:
plot.new(); plot.window(0:1,0:1); text(0.5,0.5,"??",cex=10,family="Hei")
You may want to check your system for fonts that you can use (those that have chinese characters when you click on them in Font Book). There are a lot of fonts that work like STSong, STFangsong, LiSong Pro,
2011 Sep 29
1
plot.igraph
I am having trouble plotting one of my graphs (think graph theory graph with
edges and vertices, not scatterplots or histograms). For some pairs of
vertices, I want multiple edges to be visible in my graph. As an example of
this, in my script below, I want two edges to be visible from vertex 1 and
vertex 9 (among some others) yet when I plot it, only one edge is visible.
2010 Sep 11
0
igraph, graph layout and node overlaps
Dear all,
I'm doing some experiments with igraph and in particular with graph layouts.
I can't figure out how to apply a layout to a given (real) graph avoiding
node overlaps.
In the following example if the variable NumOfNodes is setted to a small
value (10) the
layout function generates a plot without node overlaps. But even with a
not-so-big number
of nodes (50) plotted graph has
2007 Oct 09
3
igraph and plotting connected components
Hello there,
I am using the igraph package to build graphs from my data. If I plot a graph though, it's not easy for me to see what's going on. Does anybody know how to rearrange a graph to get a plot without too many crossing lines? Maybe other packages?
Thanks a lot in advance for any pointers,
-- D
---------------------------------
[[alternative
2009 Feb 26
1
layout of igraph
Dear R users,
I am trying to draw a network using igraph package. I intend to place the
hub nodes (the ones with the relatively more connection with other nodes) in
the center of the graph. Also, the graph need to be in the fashion that the
higher the correlation between two nodes is , the closer the two nodes will
be. Is there any layout that can help or any other way to do this?
Thanks in
2009 Mar 03
1
save the layout using igraph
Hi R users,
I am using built-in functions in igraph package to draw networks . I need
to compare several network with exactly the same structure but with edge
hightlighted differently. I am wondering if there is a way to save the
layout so that every graph will look the same as each other except for the
colors of edges. Or is there any parameter I can set for this purpose??
Thanks in advance,
2011 Mar 28
2
Questions about 'igraph' package.......
I am using 'igraph' package to make some graphs of 'gene-gene interaction'.
I can get a data.frame which has three columns.
gene1 gene2 pvalue
AGT MLR 1.2e-04
MLR 11BHSD1 1.71e-05
IFG2 11BHSD2 2.2e-07
. . .
. . .
. . .
AGTR1 NPPA
2009 Sep 08
1
Point patterns and igraph
Hi,
I have a data set consisting of the x and y coordinate locations of 1600
points. I would like to generate a graph using the functions in igraph.
However the graph making functions in igraph requires the data to be in the
form of an adjacency matrix. I'd like some advice on how to convert my point
pattern to an adjacency matrix or functions out there that would do it
directly. I've
2008 Mar 05
4
vertex labels in igraph from adjacency matrix
I am getting some unexpected results from some functions of igraph and
it is possible that I am misinterpreting the vertex numbers. Eg., the
max betweenness measure seems to be from a vertex that is not connected
to a single other vertex. Below if my code snippet:
require(igraph)
my.graph <- graph.adjacency(adjmatrix = my.adj.matrix, mode=c("undirected"))
most.between.vert <-
2012 Jun 18
0
igraph 0.6 released
Dear All,
we have released version 0.6 of the igraph package today. This is a
major new version, with a lot of new features, and (sadly) it is not
completely compatible with code that was written for the previous
igraph versions. (See "Major new features" below for details.)
I have included below a list of (bigger) changes. Please see the
details in the release notes and the NEWS
2012 Jun 18
0
igraph 0.6 released
Dear All,
we have released version 0.6 of the igraph package today. This is a
major new version, with a lot of new features, and (sadly) it is not
completely compatible with code that was written for the previous
igraph versions. (See "Major new features" below for details.)
I have included below a list of (bigger) changes. Please see the
details in the release notes and the NEWS
2009 Apr 06
2
Bonpower Crashes Trying Sparse Matrix (Igraph)
Hello All,
I have been trying to do bonpow for a while now.Bonpow works for few graphs
and for few others it goes out of memory.
I did see reply to one of the posting Alph Centrality Crashed in Igraph
memory error.
The solution in the posting was to use sparse matrix. This is the link of
the message.
http://lists.gnu.org/archive/html/igraph-help/2008-04/msg00071.html
I was able to obtain
2007 Oct 08
2
graph or svn
Hello all,
I'm having a spot of trouble. I have made a very nice distance
matrix from some comparison calculations. However, the matrix is 3096 x
3096, so it's relatively large. Currently I'm using the svn package as
it seems to work for my data. The graph package errors and says the
"adjacency matrix must be symmetric for undirected graphs". I though
3096 x 3096 was
2024 May 15
0
[PATCH] nouveau: set placement to original placement on uvmm validate.
From: Dave Airlie <airlied at redhat.com>
When a buffer is evicted for memory pressure or TTM evict all,
the placement is set to the eviction domain, this means the
buffer never gets revalidated on the next exec to the correct domain.
I think this should be fine to use the initial domain from the
object creation, as least with VM_BIND this won't change after
init so this should be the
2008 Jul 10
0
Rmpi unkown input format error
I have just installed Rmpi on a Suse 9.1 linux cluster with
openmpi-1.0.1. I am trying the example included below from the tutorial
website. However, I keep getting the following error:
> # Load the R MPI package if it is not already loaded.
> if (!is.loaded("mpi_initialize")) {
+ library("Rmpi")
+ }
>
> # Spawn as many slaves as possible
>
2009 Jan 22
0
Confused about behavior of an S4 object containing a ts object
I posted the question below about a month ago but received no response.
I still have not been able to figure out what is happening.
I also noticed another oddity. When the data part of the object is a
multivariate time series, it doesn't show up in the structure, but it
can be treated as a multivariate time series. Is this a bug in str?
> setClass("tsExtended", representation =