Exam (elaborations)
BAN1106 Data Mining and Warehousing (Data) questions and answers.
- Course
- Institution
BAN1106 Data Mining and Warehousing (Data) questions and answers.
[Show more]
Content preview
BAN1106: Data Mining andWarehousing (Data) questions
and answers
Types of Data Sets - answer 1. Record
2. Graph and Network
3. Ordered
4. Spatial, image, and multimedia
Important Characteristics of Structured Data - answer 1.
Dimensionality
2. Sparsity
3. Resolution
4. Distribution
Data Object - answer -represents an entity
-also called samples, examples, instances, data points, objects,
tuples
-described by attributes
Attribute - answer -A data field, representing a characteristic or
feature of a data object.
-Also called dimensions, features, variables
Attribute Types - answer 1. Nominal
2. Binary
3. Ordinal`
, Nominal - answer Categories, states, or "names of things"
Binary - answer Nominal attribute with only 2 states (0 and 1)
Two Types of Binary - answer 1. Symmetric Binary
2. Asymmetric Binary
Symmetric Binary - answer Both outcomes equally important (ex:
gender)
Asymmetric Binary - answer Outcomes not equally important. (ex:
medical test; positive vs. negative)
Ordinal - answer Values have a meaningful order (ranking) but
magnitude between successive values is not known.
Numeric Attribute Types - answer 1. Quantity
2. Interval
3. Ratio
Quantity - answer Integer or real-valued
Interval - answer -Measured on a scale of equal-sized units
-Values have order
-No true zero-point
Ratio - answer -Inherent zero-point
-We can speak of values as being an order of magnitude larger than
the unit of measurement
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BRAINBOOSTERS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now