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Hui Gao commented on the post, Weekly Question #10: Complete by Nov. 30, 2017, on the site 6 years, 10 months ago
A data-driven service I use daily is Amazon.com. The first column would be dates I have bought goods from Amazon. The rows would be what I have bought from Amazon in different dates and how many time I shopped in a day. Another column can also be good names, the rows can be how many times I bought the same item and price of the item.
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Hui Gao commented on the post, Weekly Question #8: Complete by Nov. 9, 2017, on the site 6 years, 11 months ago
https://projects.fivethirtyeight.com/trump-approval-ratings/?ex_cid=rrpromo
This is found from FiveThirtyEight website. It illustrates presidents’ approval rate, accounting for each polls’ quality. It shows that since February to now, Trump’s approval rating decrease continuously. Compared to past presidents, like Obama, Bush, Clinton and…[Read more]
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Hui Gao commented on the post, Weekly Question #7: Complete by Oct. 26, 2017, on the site 6 years, 11 months ago
A KPI that I use regularly is body fat rate. It can help me to know my body fat and regulate my body fat in a constant level when I workout. It’s measurable to use the machine to measure it. It’s useful when I want to achieve different aims in muscle-increasing period and fat-reducing period. It’s time-phased, usually one month, three month or…[Read more]
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Hui Gao commented on the post, Weekly Question #6: Complete by Oct. 19, 2017, on the site 7 years ago
I have made several mistakes in the list. The most usually mistake is put values in fields that are supposed to be pointers or references. It usually results in a confusing date. I am careless. Sometimes when I have done a spreadsheet, but I feel the data looks strange. After I review it, I find it’s because I put values in the wrong place. It’s a…[Read more]
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Hui Gao commented on the post, Progress Report for Week Ending, February 23, on the site 7 years ago
The article talks about entrepreneurial activities in United States. Data shows that in 2015 the number of new firms created in America was nearly a fifth lower than the annual average between 1998 and 2008, and just half…[Read more]
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Hui Gao posted a new activity comment 7 years ago
I think “Be skeptical” is the most important. If blindly accept all answer form data, it’s easy to be misguided. And it will lead to a lack of innovation. Nowadays, there are too much data encompass us, it’s hard to said whether the data we get is accurate or not. Be skeptical is an essential characteristic, it encourages people to question the…[Read more]
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Hui Gao posted a new activity comment 7 years, 1 month ago
I think logistics industry is deeply affected by data science. Data science helps logistics industry to set up national wide logistics network and collects data form each branches in the network. And then with these data, it can help logistics industry to understand how much transport capacity they need in different places. With these…[Read more]
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Hui Gao posted a new activity comment 7 years, 1 month ago
https://www.theguardian.com/inequality/datablog/2017/apr/26/inequality-index-where-are-the-worlds-most-unequal-countries
The article discusses inequality in several aspects with data charts. It meausres not only Financial inequality but also Living standards inequality. According to both Gini Index and Palmo ratio, Ukrain, Slovenia, Norway are…[Read more] -
Hui Gao posted a new activity comment 7 years, 1 month ago
People usually think hot breakfast is healthier than cold breakfast. We can test it by collecting health reports from people who are used to eat cold breakfast and those who are used to eat hot breakfast. Then, we can compare data from these health reports and draw a conclusion.
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Hui Gao changed their profile picture 7 years, 8 months ago
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Hui Gao's profile was updated 7 years, 8 months ago
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Hui Gao changed their profile picture 7 years, 8 months ago
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Hui Gao's profile was updated 7 years, 9 months ago