Yesterday I submitted a new version (marked 2.0-0) of package ‘intergraph’ to CRAN. There are some major changes and bug fixes. Here is a summary: The package supports “igraph” objects created with ‘igraph’ version 0.6-0 and newer (vertex indexing starting from 1, not 0) only! Main functions for converting network data between object classes “igraph” […]
Author Archives: Michał
Assorted links
04.04.2013 – 16:34
Some assorted links collected this week: A new interestingly looking book “Web Social Science” by Robert Ackland coming out in July 2013. In recent issue of Nature (Match 28): a special on the future of scientific publishing. An interesting TEDtalk by Colin Camerer on neuroscience and experimental economics Nice paper analyzing world email traffic, co-authored by […]
Correction to intergraph update
19.06.2012 – 23:52
It turned out that I wrote the last post on “intergraph” package too hastily. After some feedback from CRAN maintainers and deliberation I decided to release the updated version of the “intergraph” package under the original name (so no new package “intergraph0″) with version number 1.2. This version relies on legacy “igraph” version 0.5, which […]
Updates to package ‘intergraph’
18.06.2012 – 13:05
On June 17 a new version (0.6) of package ”igraph” was released. This new version abandoned the old way of indexing graph vertices with consecutive numbers starting from 0. The new version now numbers the vertices starting from 1, which is more consistent with the general R convention of indexing vectors, matrices, etc. Because this change is […]
New and old news
24.05.2012 – 00:20
It’s been a while since I wrote something, not without a reason. Last months were terribly busy for me. First of all, I defended my PhD (yay!). Second, a lot of my time was consumed by writing proposals. Third, upcoming changes to R package ‘igraph‘ caused an unscheduled but necessary review of some of my R packages. […]
SNA with R workshop at Sunbelt XXXII in Redondo Beach
14.03.2012 – 01:17
I am currently in Redondo Beach, CA at the Sunbelt XXXII social networks conference. The program is thick from numerous interesting talks so the event promises to be very interesting. Today in the morning I gave the workshop “Introduction to Social Network Analysis with R”. Over 50 people registered. I am grateful to all the […]
Package ‘intergraph’ (1.1-0) released!
20.09.2011 – 18:44
I just released the first official version of the ‘intergraph’ R package. With the functions provided in the current version (1.1-0) you can convert network data objects between classes ‘igraph’ and ‘network’. The package supports directed and undirected networks, and handles the node, tie, and network (graph) attributes. Mutliplex networks (i.e., with possibly multiple ties […]
Shortest paths to/from nodes of a certain type
14.09.2011 – 18:55
Elijah asked the following via SOCNET mailing list: I was wondering if anyone knew of a script or tool which would give me the network distance of nodes to a particular class of nodes. I think of this as an Erdos number, except instead of getting the distance to one node, I want the distance […]
Social contagion story update
08.06.2011 – 19:04
July last year I wrote a note about the stream of papers by Nicholas Christakis and James Fowler (or CF) and coauthors on social contagion of many things (obesity, smoking, loneliness to name the few). I also wrote about a paper by Russel Lyons that provided a detailed critique of the analyzes presented in the […]
Math in the social sciences, with discussion
08.03.2011 – 20:23
Nice discussion on the usefulness, or lack thereof, of mathematics and formal theory building in the social sciences. Make sure you have a look at the comments. More or less chronologically: sociolgy needs more… @ orgtheory.net by Fabio Rojas math and sociology @ orgtheory.net by Fabio Rojas methodological convergence in the social sciences @ Marc […]
