On 2007-02-07 07:00:00, Allan Engelhardt wrote in CYBAEA Journal:
You are not nearly as influential as you think you are. One of my friends are doing research on influencers in mobile networks, and he is going to be crushed (or maybe not) by this entry in a recent HBR list which basically says that influentials are not very ... influential. That is to say that the spread of new ideas in a social network is not dependent on a few super-connected, highly influential members, contrary to popular assumptions. The article offers some specific strategies for marketeers:
Because the ultimate impact of any individual—highly influential or not—depends on decisions made by people one, two, or more steps away from her or him, word-of-mouth marketing strategies shouldn’t focus on finding supposed influentials. Rather, marketing dollars might better be directed toward helping large numbers of ordinary people—possibly with Web-based social networking tools—to reach and influence others just like them.
The results are based on computer modeling, so I still think it will be useful to get some real data from real people. Identifying the influencers is easy (once you get the idea), now we just need the time to analyze their actual influence and the effect of their decisions and recommendations.
On 2010-03-08 14:46:00, Allan Engelhardt wrote in CYBAEA Data and Analysis:
I needed a fast way of eliminating observed values with zero variance from large data sets using the R statistical computing and analysis platform. In other words, I want to find the columns in a data frame that has zero variance. And as fast as possible, because my data sets are large, many, and changing fast. The final result surprised me a little.
Read more (~501 words).
On 2009-08-17 09:18:00, Allan Engelhardt wrote in CYBAEA Journal:
We knew the potential existed already, of course. Mobile devices in the USA generates some 600 billion transactions per day, each tagged with the location and time. Jeff Jonas: Every call, text message, email and data transfer handled by your mobile device creates a transaction with your space-time coordinate[...].
The mobile operators have this data, of course. We all know this (especially here where we have been using some of it for social network analysis). No real surprises here, except perhaps in the volumes.
But did you know that the operators are sharing your data? What is new, at least to me, is that this data is being provided to third parties that are leveraging specially designed analytics to make sense of our space-time-travel data.
Read more (~449 words, 1 comments).
On 2009-07-27 19:38:00, Allan Engelhardt wrote in CYBAEA Data and Analysis:
O'Reilly's recent publication Beautiful Data has a chapter by Jeff Jonas which is enough reason in itself for me to recommend it. The chapter, Data Finds Data, is also available as a PDF download.
Read more (~66 words).
On 2009-07-22 13:37:00, Allan Engelhardt wrote in CYBAEA Data and Analysis:
This is by far the best description of why traditional parallel databases (like Teradata, Greenplum et al.) is a evolutionary dead end. But much more than a theoretical discussion, they have built a solution which they call HadoopDB. It is based on Hadoop, PostgreSQL, and Hive and is completely Open Source. Alternative, column-based, backends to PostgreSQL are being implemented now. Read: Announcing release of HadoopDB.
Read more (~83 words).
On 2009-07-22 06:59:00, Allan Engelhardt wrote in CYBAEA Journal:
The nice people at Velocity has released The B2B Content Marketing Workbook. It is behind a registration wall which means we wouldn’t normally recommend it but you can just type junk in the fields if you are not comfortable with giving your personal details to a marketing agency. (Think about it....) If you are relatively new in the B2B world, say having joined a professional services or consulting organization, you may find this one useful.
Read more (~263 words).
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