Here is a summary of some of my posts related to social media analytics, primarily text mining and social network analysis.
Using Twitter to Demonstrate Basic Concepts from Network Analysis
An Intuitive Approach To Text Mining with SAS IML
The Budget Compromise- Mining Tweets
An Introduction to Social Network Analysis using R and Netdraw
Using SNA in Predictive Modeling
Analysis of AgChat Facebook Group Members
Mining Tweets about Factory Farms (from my companion blog Economic Sense)