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Peng Cui commented on the post, Week 15 Question: Due May 3, on the site MIS2502 – Data Analytics (Section 003) 1 year ago
The most important take away from this class is that how to use MySQL . Because the MySQL database has become the world’s most popular open source database because of its high performance, high reliability and […]
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Peng Cui commented on the post, Week 13 Question: Due April 19, on the site MIS2502 – Data Analytics (Section 003) 1 year, 1 month ago
The example of using, the example clustering is if you running an ebay store to selling computers, in order to find out how many you sell per month and which model is the most popular. The information that could […]
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Peng Cui commented on the post, Week 12 Question: Due April 12, on the site MIS2502 – Data Analytics (Section 003) 1 year, 1 month ago
A bixuness question that you could answer using a decision tree is if you are trying to open a luxury restaurent in a city then you may have to collect data on what is the average income about that city, how many […]
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Peng Cui commented on the post, Week 10 Question: Due March 29, on the site MIS2502 – Data Analytics (Section 003) 1 year, 1 month ago
The Spotcrime Web site is an example of OLAP analysis. Because when I type in the zipcode to search crimes, the result I got is a real time data. I can slice the data to find out what specific crimes took place in […]
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Peng Cui commented on the post, Week 9 Question: Due March 22, on the site MIS2502 – Data Analytics (Section 003) 1 year, 2 months ago
2. one example of how the same piece of data could be represented multiple ways is If a company is seeking for oversea business then they will face a currency conversion. For example if ebay would extend their […]
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Peng Cui commented on the post, Week 7 Question: Due March 15, on the site MIS2502 – Data Analytics (Section 003) 1 year, 2 months ago
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Yes I agree with Ralph Kimball the star schema is organized around a business event also it is the arrangement of the data even an important issue. Because in data warehousing and business intelligence, a star […] -
Peng Cui commented on the post, Week 4 Question: Due February 16, on the site MIS2502 – Data Analytics (Section 003) 1 year, 3 months ago
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As my own experience of using a join would be when I working at a newspaper company last year, they using a join in a member ship data base. One of the table has the customer’s ID with the newspaper’s name and […] -
Peng Cui commented on the post, Week 3 Question: Due February 9, on the site MIS2502 – Data Analytics (Section 003) 1 year, 3 months ago
An entity-relationship diagram is a data modeling technique that creates a graphical representation of the entities, and the relationships between entities, within an information system. A schema is a cognitive […]
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Peng Cui and Wenjuan Yuan are now friends 1 year, 3 months ago
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Peng Cui commented on the post, Week 2 Question: Due February 2, on the site MIS2502 – Data Analytics (Section 003) 1 year, 3 months ago
In my opinion TUid number can make a good primary key for a student database. TUID is a unique nine-digit number that Temple now uses as our primary identifier to instead of SSN. Also TUID can provide all types of […]
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Peng Cui commented on the post, Week 1 Question: Due January 26, on the site MIS2502 – Data Analytics (Section 003) 1 year, 4 months ago
I think information is more important than data because, Data is a collection of facts, such as values or measurements. It can be numbers, words, measurements, observations or even just descriptions of things. On […]
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