Category Archives: SNA

Tour de Ski Final climb – does age matter for performance ?

In an earlier post, I analyzed data from the Marcialonga Ski race. Marcialonga is one of the classic long distance ski races, where both elite’ as well as amateurs compete together. In fact, the vast majority of the competitors in … Continue reading

Posted in Bayes, Data Analytics, Math, Numpy, Pandas, Probability, PYMC, Python, SNA, sports, Statistics | Tagged , , , , , , , , | Leave a comment

Twitter buzz about IBM Rational

Having created a Python program for “poor man’s mass surveillance”, that given a Twitter account, or set of accounts, grabs the latest tweets from that account and analyzes each tweet for mentions, I thought it might be interesting to see … Continue reading

Posted in Big Data, development, SNA | Tagged , , , | Leave a comment

Poor man’s mass surveillance:collection & analysis of Twitter data with Gephi & Python

[Each of the “dots” in the graphs above –  there are about 100.000 of them –  even the tiniest small ones barely visible at this level of zoom, represents a twitter user (blue dot), or a hashtag (red dot).  The … Continue reading

Posted in Big Data, development, SNA, Surveillance | Tagged , , , , , | Leave a comment

Social Network analysis of Carl Bildt’s – Swedish Foreign Minister – Twitter activities

As I’ve posted before, the Swedish Foreign Minister Carl Bildt is very active on social media since long time (cudos, Carl!), as well as a proponent of close cooperation with foreign (read NATO + Israeli) security and intelligence services. Furthermore, … Continue reading

Posted in development, SNA, Surveillance | Tagged , , , | Leave a comment

Analysis of Twitter: relationships between tweeters, mentions and hashtags

Now things start to get really exiting: I extended my Python hack to collect information on all relationships for a set of Twitter users, more specifically, I record the following: Each tweeter becomes a node Each #hashtag becomes a node … Continue reading

Posted in Big Data, SNA, Surveillance | Tagged , , , , | Leave a comment