Humans are social animals, and we need regular socializing to keep ourselves in peak health and energy. We have already known that social isolation may cause severe mental and physical healthy issues, and we are struggling year by year to alleviate this social phenomenon in this digital era. Social media, as one of the greatest products of this time, take the responsibility of helping build connection among people, significantly accelerating speed of information exchange. Benefiting from social media, our lives are full of texts, photos and videos. However, the fast developing technology somehow aggravates people’s feeling of loneliness. The reason…


The successful prediction of a stock’s future price could yield significant profit. However, many people believe that stock market is not predictable. Why? Because stock market is the everyday summation of human opinions and world events that investors observe and react to on a minute by minute basis. There are too many factors to take into account that affect stock price. Even so, tons of people are still obsessed with building models that can capture those complicated features of stock market. From my perspective, there are three reasons why people keep doing so: 1) along with development of technology, many…


In the last article “Social Network Visualization in Field of Breast Cancer on Twitter”, we talked about how to generate social network from tweets extracted by applying Twitter API. At first we found out the nodes of Twitter users and edges among them, and then calculated PageRank for each node. The nodes with high PageRank were plotted on network graph. In this article, we will continue to research on what can be inferred, in another word, the attributes of this network.

When look at the network graph below, you may want to ask “is it possible to predict that if…


Social Network Analysis (SNA) has existed for decades, but until recent years companies and organizations are beginning to appreciate the meaningful insights. The rising popularity of SNA closely associated with the explosion of online social media. Using mathematical tools to systematically understand networks, SNA provides the most important influencers in a network, subgroups of people who tightly connected, and overview of the network structure. The network data is represented as nodes (people, accounts, etc.) and edges (friendship, partnership, etc.). Many interesting insights can be identified through the visualization of social network.

The objective in this article is to visualize the…


It is very common to invest in stock on the basis of suggestions from professional stock traders online. Many of stock traders have several social media accounts to post their thoughts, conjecture and comments. As one of the biggest social media platforms, Twitter creates an online community for people to follow many specific topics. Some famous stock traders such as Peter Brandt and Steve Burns have got tens of thousands of followers and tweets posted. They pass along their attitude to their followers and others who may see their tweets. What powerful in this process is that every tweet can…

Francis Zhang

Student

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