BCOR 2205 final
what are the 4 V's of data?
Velocity, veracity, volume, variety
Velocity
the analysis of streaming data as it travels around the internet
veracity
the uncertainty of data, including biases, noise, and abnormalities; the untrustworthiness of data
volume
the scale of data
v...
BCOR 2205 final
what are the 4 V's of data?
Velocity, veracity, volume, variety
Velocity
the analysis of streaming data as it travels around the internet
veracity
the uncertainty of data, including biases, noise, and abnormalities; the
untrustworthiness of data
volume
the scale of data
variety
different forms of structured and unstructured data
big data
a collection of large, complex data sets, including structure & unstructured data, which
cannot be analyzed using traditional database methods and tools
data
raw facts that describe the characteristics of an event or object (order date, amount
sold, customer #)
information
data converted into a meaningful and useful context (best selling product, best
customer, worst selling product, etc.)
Business Intelligence
information collected from multiple sources that analyzes patterns, trends, and
relationships for strategic decision making (best selling product by month compared to
sports seasons and city team wins & losses)
knowledge
the skills, experience, and expertise coupled with information and intelligence that
create a person's intellectual resources (choosing not to fire a sales rep who is
underperforming, knowing that person is experiencing family problems)
regression model
a statistical process for estimating the relationships among variables (predicting the
winners of a marathon based on gender, hight, weight, hours of training)
optimization model
a statistical process that finds the way to make a design, system, or decision as
effective as possible (choose a combination of projects to maximize overall earnings)
forecasting model
predictions based on time-series information, allowing users to manipulate the time
series for forecasting activities
classification analysis
assigns records to one of a predefined set of classes
estimation analysis
determines values for an unknown continuous variable behavior or estimated future
value
affinity grouping analysis
, determines which things go together
clustering analysis
segments a heterogenous population of records into a number of more homogenous
subgroups
data mining
the process on analyzing data to extract information not offered by the raw data alone
data profiling
the process of collecting statistics and information about data in an existing source
descriptive analytics
use techniques that describe past performance history
predictive analytics
use techniques that extract information from data to predict future trends and identify
behavioral patterns
prescriptive analytics
use techniques to create models indicating the best decision to make or course of
action to take
structured data
stored in a traditional system such as a relational database or spreadsheet
unstructured data
not defined and does not follow a specific format
internet of things (IoT)
a world where interconnected internet-enabled devices or things have the ability to
collect and share data without human intervention
collaboration outside the organization
Crowdsourcing and Crowdfunding
blog
an online journal that allows users to post their own comments, graphics, and video
wiki
collaborative website that allows users to add, remove, and change content (wikipedia)
mashup
content from more than one source to create a new product or service (zilow)
Digital Subscriber Line (DSL)
provides high speed digital data transmission over standard telephone lines using
broadband modem technology
bandwidth
the maximum amount of data that can pass from one point to another in a unit of time
broadband
A high-speed Internet connection that is always connected
Wireless Fidelity (Wi-Fi)
a means by which portable devices can connect wirelessly to a local area network,
using access points that send and receive data via radio waves
packet
a single unit of binary data routed through a network
worm
a type of virus that spreads itself, not only from file to file, but also from computer to
computer
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 QUICKEXAMINER. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.98. You're not tied to anything after your purchase.
