Yu Su

The most important takeaway from this course is understanding well the relation of data and information. The tools we practiced to use like MySQL, pivot table, R language and basic ERD graph, they are all designed for easiest and fastest data processing. But all of tools are based on understanding of materials, excerpt information to simpler…[Read more]

User name: lukwithme
E-mail: tuf68876@temple.edu
Group member: Tom Couser

Name and describe a business question that you could answer using a decision tree. What data would you collect to perform the analysis?
My examples is whether or not the company uses the new applications or system for internal management. So it will test the compatibility on the devices (like portable laptops, smartphones, computers and…[Read more]

5 real-world uses of big data

The National Institute of Science and Technology (NIST) used R language in BP’s oil leak case. To help US government have accurate and effective response to public, NIST used R language to run an uncertainty analysis that supply estimated evidences to US Government for best control the…[Read more]

Hone Your Chops: A Chef’s Guide To Knives

This graphic does good job in data visualization. This knife graphic uses lots of graphic elements as “spiral”–represent different types of chef’s knife and specific parts for materials, “camber”–focus on the chop skill and dice precise. This graphic also uses clear…[Read more]

Describe a situation where you could use a join to retrieve information from a set of tables
When a customer wants to make an order for an incoming movie ticket in nearest theater, so there should have many queries. Very first step is finding out which theaters would have this movie on schedule, filter the position where customer lives in and…[Read more]

Q: What do you think is the trickiest thing about creating an ERD from a problem description?
A: I think the trickiest thing about creating an ERD from a problem description is to identify one to more or more to more relationship between entities. And sometimes the descriptions would interrupt your thoughts, you might be circle a wrong…[Read more]

The most recent experience I have had about collection of raw data that is when I watch some video clips on YouTube, and you may log in a YouTube account for subscribing some channels, adding your favorite clips on files, or uploading videos made by yourself. So the system would recommend similar clips or some-like channels on your homepage based…[Read more]

Yu Su tuf68876