Support is the frequency that a particular item appears in the data set.
Confidence is the strength of the association.
Lift tells us if the confidence is accurate.

When first assessed it was descriptive analysis. Based off of their experience though, it is now predictive analysis.

Data Mining is useful in any store that sells products or services.

After analysis of their sales, Wal-Mart assessed that sales in Beer and Strawberry Pop-Tarts rose significantly prior to a natural disaster […]

Classification is the process of determining groups that data elements belongs to. This is done based on the data contained in the element.

Clustering is the process of grouping data so that the elements will […]

A Chi-squared test is makes sure that groups are different so as to provide more effective results. The Gini test is a low results test. It allows the leaf nodes to become smaller as more branches are added. This […]

Data Mining extracts info in order to discover patterns and trends in data. Data Mining does not analyze business statistics like profitability and sales margins

Because Facebook, Twitter, Tumblr, Instagram, and more have been the popular networking sites lately, Presidential candidates would be able to assess user interests based off of their daily activity on these […]

Ancy Thomas

Choosing the Business Process – determine what the data cube is about by asking the organization questions

Decide level of granularity – focus of the data cube

Identify the Dimensions- determine key elements […]

Delete is a command under Data Manipulation Language, therefore adjusting records/information. This would be a command that removes information that was in a table. Drop is a command under Data Definition […]

Data Manipulation Language has 4 commands – select, update, delete, and insert into. These commands do not change the physical condition of the table, they just edit specific information/records.

Data […]

Forward engineering is going from a concept and following steps to create the product. Reverse engineering is taking a product and retracing steps to understand the original concept behind it.

As a correction: Forward engineering exists when ERD creates and SQL and reverse engineering exists when SQL creates an ERD

ERD and SQL have 2 relationships, forward and reverse engineering. Forward engineering exists when SQL creates an ERD. Reverse engineering exists when ERD creates an SQL.

In an M:M relationship, the relationship must be resolved and a new entity must be created. For example, many customers can order many products, thus creating an M:M relationship. A new entity titled […]

Requirements are necessary because they provide steps that will help guide you through what is expected of you. Any project has it’s own set of requirements. Without learning and understanding what is expected […]

Megan Taylor, Jacqueline hakun. Jason Lee, Steph Markman, ancy thomas

1.Location- Specials/deals near the consumer, new restaurant openings
2.Occupation-Job openings and available opportunities
3.School […]

An entity is an organization that has a legal and identifiable existence. This can be constructed of a person, partnership, or business. A relationship connects entities together/amongst one another. An attribute […]