Rachel C. Bitting

This class was extremely helpful. Learning the basics of SAS and SQL will not only be beneficial in my future careers, but it has already helped me in other classes. The homeworks were actually very helpful as […]

I am a Marketing major. Data-driven decision making can be used to help identify target market segments in order to gain the maximum amount of customers who would be interested in the brand. It can also be used to […]

The guest lecture was very useful because it showed how class concepts can be applied to real world situations. It was very interesting to have a speaker from such a well known company speak to us as well. These […]

Data-driven decisions made by Wawa include where to add new stores, what products to stock, and where to place all their products in their store. I think a scientific, dat-driven approach to decision-making is […]

Separation separates clusters that are different in order to ensure that they are not grouped into the same one.
Cohesion minimizes the differences between data points and shows how similar they are.

The Sum of Squared Error shows the nearest clustering data. The data is more accurate if it is closer to the center line.

Google uses segmentation by gathering data from your recent searches to provide you with relevant advertisements. Using this tactic they are able to specifically target your exact needs and wants and can be sure […]

Association would be best for bob so that he can figure out the best placement for his products in his store and make better decisions based on his sales.

We learned that association mining consists of discovering relationships between variables and forecasting the occurrence of other items. If the lift is higher than one, then those two variables have a strong […]

The two ways to cluster info is by partition (non-overlapping subsets) and hierarchical (nested clusters in a hierarchical tree). Clustering is very useful in making business decisions.

A data warehouse takes many forms and is just a repository for data. Data mart is more focused and specifically designed for analysis. A data cube is the organization of data as a multidimensional matrix and the […]

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This week we mainly learned about ERD models and how they can be used in business. By the end of the week we started an introduction to mySQL. It seems like it is be a very important tool in the business world I’m […]

This week I learned about the entity relationship diagram (ERD). The ERD shows the relationship between two entities (ex. order, customer, etc.) and the attributes (ex. order number, price, name, city, etc.) to […]

The components of using data are to gather the data, store it, retrieve it, and interpret it. The two types of of data are transactional and analytical. Transactional data is captured when generated in the […]