Confidence is a ratio that takes the support number and divides it by the number of instances where the rule may hold true.

Support is the number of data points that meets a collection guidelines or […]

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Over the past semester, I have enjoyed working at Human Services, Inc. All of the employees were very nice and helpful; I felt accepted and able to ask questions for clarification or verification. […]

Data mining would be useful for companies to better analyze products/services. A company could see which products/services it is making profit on and which products/services are not contributing as much. This […]

To classify, you assign objects to classes (groups) on the basis of measurements made on the objects. To cluster, is to group observations that are “similar”based on predefined criteria.

Data mining software provides the analyst/user with patterns and relationships, but the results from data mining do not provide insight into these patterns. For example, if an analyst uses data mining software to […]

One of the major issues with data mining is that the data is ‘dirty.’ This could mean that the data is incomplete; for example, there is a missing attribute or value. It could also mean that the data is […]

The most useful class yet has been Business Communications. Writing in a concise manner for emails or memos has been extremely helpful. Information Systems in Organizations, Data Analytics and Cyberspace courses […]

How can candidates change their strategy in response to insights offered by business analytics?

Candidates can use insights offered by business analytics to adjust their campaign according to people’s […]

How can candidates change their strategy in response to insights offered by business analytics?
Candidates can use insights from business analytics to target markets. The data can show candidates where they […]

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The most important skill I have learned from my internship thus far is communication. I am constantly asking my supervisor questions to clarify and understand exactly what she expects of me […]

Alter command is for DDL. This is when you alter a table or schema. For example, you may alter an entire column. In syntax this would read: ALTER TABLE suppliers RENAME TO vendors.

Insert command is for DML. […]

To evaluate the usage of a college campus meal plan, you many might to join multiple tables. To analyze the information, it would be useful to join a student table with a meal plan table.

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Because I intern at a health services organization, I researched decision support systems and similar EMR systems, which medical facilities have implemented. I analyzed the pros and cons of […]

To retrieve unique values in SQL use “distinct” command. For example, SELECT DISTINCT ‘column name’ FROM `schema name`. `table name`

If you choose the wrong cardinality (1-to-many, many-to-many) this may exclude data, create billing problems, make redundancies, and make the data less valuable. For example, say a 1-to-many is created between one […]

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This semester I am involved in a ‘project-based’ internship at a mental/behavioral health facility, Human Services, Inc that is located in Downingtown, PA. I am assisting the project manager with […]

I agree with you that requirements are needed a project, to outline the entire process. Even further, requirements are necessary for the system as a whole. Requirements are necessary to know what system to use for […]

An entity is a noun (person, place or thing) that can exist on its own. A relationship details how two or more entities are connected to each other; it links the nouns. Attributes are distinctive characteristics […]