Man Shu Wong

The most important takeaway from this class is how to present the data, and identifying good/bad data. Management of data is not as easy as it sounds, after this class I learned a lot with managing data in many ways and which is the best to present it. Through this course, I can identify bad data and visualize it. I also feel that I am more…[Read more]

A data-driven service that i use is Yahoo Finance. It stores the stocks price, %change in price, bet/ ask price, and etc. You will be able to view a history of a stock from the day of IPO, as well as currency of other countries.

Our group will consist of Fei Qing, Yaning Wang, Yixuan Zhou, and Man Shu Wong. We will be analyzing the 2016 presidential campaign fundraising. Our data source will download from the federal election commission, the goal of the assignment is to examine the financial strategy being used during the campaign by using data analysis tools such as…[Read more]

Hackers are targeting Amazon’s third-party seller; they have changed the bank-deposit information on Amazon accounts of active sellers to steal tens of thousands of dollars from each. It is a problem for Amazon for a long time until recently hackers are aggressively targeting Amazon’s seller who hasn’t used them recently to post nonexistent…[Read more]

One important KPI example that I use all the time is the gas mileages of my car, it gives me an idea of actual gas efficiency as well as vehicle condition and style of driving, among other factors, can influence mileage.
Specific: Record the amount of gas it took to refill the tank.
Measurable: actual gas efficiency, measured in mileage (mpg…[Read more]

A very common mistake I have made before is number 3: start working on the database without doing a full backup. Often I start work right after receiving the job, and I always assume autosave would save any accident happen when working on the database. However, sometimes the system does not save all of the data you have, and in order to ensure you…[Read more]

https://www.wsj.com/articles/how-a-cyberattack-overwhelmed-the-911-system-1488554972?mod=e2fb
The article is about a recent cyber attack on the 911 emergency call center. During the cyber attack, at least a dozen U.S states were affected by the “largest-ever cyberattack” on the country emergency-response systems. Apparently, the 911 system is…[Read more]

Simplify is for sure the most important principle because in the trend of “big data”, we need to find a way to understand what it means and transfer it into a story for people to understand it. For example, NYSE They use visualization for all of their data to show how the market change every second. In order to do so, they are simplifying all of…[Read more]

The insurance industry is most affected by data science in my opinion, because it changes the ways that how the insurance company prices their policy. Insurance industry heavily depends on data collection to calculate the pricing of the policy, in today’s insurers have an enormous advantage through a judicious analysis of big data. Insurance c…[Read more]

https://www.wsj.com/articles/facebook-and-google-step-up-efforts-to-combat-fake-news-1486396476?mod=e2fb

Google and Facebook are working to take down fake new on the internet. With European countries heading into pivotal election campaigns in coming months, Facebook and Google are rolling out initiatives and tools aimed at slowing the spread of…[Read more]

One conventional wisdom I have heard is that the millennials are lazy, selfish, and unproductive. I think this is completely wrong because older generation are failing to understand the way we think and find ways to engage with millennials. We no longer value the traditional workplace rules. We just want to get maximum result in the most…[Read more]