Applying Bayes’ Theorem to Cornell Demographics
Bayes’ Theorem is an essential tool in statistics. Named after Thomas Bayes, it describes the conditional probability of the occurrence of an event given the prior knowledge of the conditions of another event. In Chapter 16 of the textbook, Bayes’ Theorem is introduced to analyze information cascades. However, besides networks, Bayes’ Theorem is useful to […]
Social Networks and Cascade Behavior
Suppose you and your friends were snapchat users and a new application came to the tech market. Let’s call the new app TikTok. your friends start using the TikTok, then you change your entail opinion and begin using the new app and after a while you see a lot more other people join the app […]
Critisim on Game theory
https://www.newyorker.com/news/john-cassidy/the-triumph-and-failure-of-john-nashs-game-theory https://onlinelibrary.wiley.com/doi/abs/10.1002/bs.3830040107 We learned a lot about the game theory, and many of the following algorithms are based on game theory. When I try to apply them to my poker games, it does not work that well. We have GTO in poker that is basically the subgame nash equilibrium for the game, but when I […]
Why Did Google Retire the PageRank Toolbar?
Google released the first version of its Google PageRank Toolbar for Internet Explorer, and it was a huge success. When our course Infor 2040 first discuss page rank, I was so excited. I do not have a future career plan in Silicon Valley, but getting to know some basic logic behind these currently most popular […]
Applying Bayes’ Rule in Drug Screening
Many jobs in the workplace require a drug-free environment and a common way companies implement this is through drug screening. Drug screening can be done in different ways but it is often done using urine or blood samples. Looking at the statistics that are provided by testing sites present this process as highly accurate, meaning […]
Matching Markets in the Ballet Industry
Source: https://www.dancemagazine.com/ballet-job-market/ In this article, Olivia Hartzell likens the process of finding a job in the ballet world to a matching market in that both the dancers and the companies are sizing each other up — to be hired, the dancer and the company must mutually choose each other. However, the hiring system in ballet […]
A Downwards Trend of the Housing Market
https://www.cnbc.com/2022/10/28/pending-home-sales-fell-10percent-in-september-from-august.html It’s no new news. As people experience inflation and higher interest rates, their inclination to purchase goods goes down; bigger investments, specifically homes, has drastically felt the impact of this buyer trend. With the information of user trends and where the economy is hypothesized to go towards, economists have predicted a 4% decrease in […]
Musk’s Twitter Takeover and Information Cascades
When Elon Musk officially took over Twitter this past week, racist tweets quickly surfaced. In fact, “use of the n-word on the app spiked nearly 500 percent over the 12 hours after Musk’s deal was finalized.” (Harwell). In addition, “misogynistic and anti-LGBTQ messages had become increasingly prominent, including from accounts calling for the harassment and […]
Information Cascades as an Explanation for Election Behavior
With Election Day fast approaching, it is interesting to consider how information cascades affect voter behavior. While we may think electorates act individually, there are certainly confounding factors at play affecting individuals’ voting patterns. In an increasingly technological world dominated by social media posts and campaigns, one’s “true” beliefs can get muddied quite easily. Indeed, […]
The Effects of Social Network Structure on the Brain
The Proceedings of the National Academy of Sciences (PNAS) published a study in which they examined the effect of social network structure on brain activity. The study was conducted on 80 teenage boys in which the participants engaged in a simulated game. The simulation starts with a ball being tossed around a group of friends, […]
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