The guru of Services Drafts Abdul Samad Alvi Researcher / Developer Hi guys, I'm researcher and developer. I have 2 years of professional experience as a researcher and developer. I have deep knowledge of R and Excel for performing the analysis. My specialities included: social network analysis and visualization, data extraction, topic modelling, machine learning techniques and text mining. Few of my projects are:1) Evaluation of features in Social Network.2)LInk prediction in Human Contact Graph.3) link Prediction in Citation Network.4) Semantic and Syntactic similarity comparison. 5) sentimental analysis of Twitter data. Please contact me for any needs, so we can discuss how I can help you.