Linghan Peng

A data-driven service I use is Netease Music, which is a online music service in China. They provides daily music recommendations to me based on what types of music I have already listened. If let me to design the database, each row would represent a record of music playing. The columns would be how many times you have already listened to this…[Read more]

https://www.theguardian.com/news/datablog/2017/oct/31/terror-trends-what-are-the-most-common-phobias-among-us-adults
I found this very interesting article. The survey took in 2007 shows that most of people develop their fear at about 9 years old. It also shows that most of people have at least one type of fear, and for the types of fear, the fear…[Read more]

The KPI most related to our students is GPA(Grade Point Average). It is specific and measurable since it is calculated by your letter grades and credit hours. It is achievable, one can study harder and seek for help in order to improve her grade. It is relevant to one’s future career because most of companies would look at your college GPA on your…[Read more]

I haven’t made any mistakes on this list, because before I start working, I noticed some of them are really important. I agree with the most of people, mistake #3 is very common and may lead to frustrating result. It won’t harm you to save and backup more! Do it as frequently as you can. There is one convenience to backup data, it is not only…[Read more]

https://fivethirtyeight.com/features/is-your-dd-character-rare/
I found this interesting article. It is about the game Dungeon&Dragon. From this data we can see that most of people are tend to create the character related to themselves or at least from an existed prototype. For example, the most used type of character is Human Fighter, which is…[Read more]

I think “attend” principle is the most important . A good data visualization should not focus on too many topics, thus there would be a most important topic in one data visualization. If the data visualization provides too much details that have a little to do with the main topic, the visualization would lost its focus. People who cannot attend…[Read more]

I think “attend” principle is the most important principle. A good data visualization should not focus on too many topics, thus there would be a most important topic in one data visualization. If the data visualization provides too much details that have a little to do with the main topic, the visualization would lost its focus. People who cannot…[Read more]

I think Insurance industry have lots of things to do with data science. Usually, the wealth of an insurance company is mostly depends on the ability of the Actuaries they employ. Actuaries do a bunch of works in order to maximize the profit to the company, and these works is highly related to data science, such as risk controlling or probability…[Read more]

https://www.reuters.com/article/us-apple-iphone-china/lucky-8-1000-price-tag-dampens-iphone-enthusiasm-in-china-idUSKCN1BM0LN
Just a few days ago, Apple released the new model of iPhone, and there is a significant price leap. According to the passage, the price leap is not going to impact America as deeply as in China. There is an interesting…[Read more]

There is a conventional wisdom in some area says that putting a ball cactus plant besides one’s computer screen could absorb the “harmful radiation” which would affect the human. And it is because many cactus survives in the high-radiation environment. To test this, use a Geiger Counter to examine the radiation level of the same distance in front…[Read more]