Big data Flashcards

(7 cards)

1
Q

What is big data?

A
  • Larger complex data sets compromising structured and unstructured data from a variety of sources
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2
Q

Why is big data important?

A
  • Enhance business efficiency
  • Real time analytics
  • For developing products that meet customer needs
  • Gauge customer satisfaction in real time through analytics
  • Develop innovative new products based on changing needs.
  • Cost reduction
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3
Q

What aret the three v’s of big data?

A
  • Volume
  • velocity
  • Variety

+
- Value
- Veracity

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4
Q

What is Data mining?

A
  • Use of statistics to analyse large volumes of data
  • Driven by programmatic statistical packages
  • Discover patterns in the data
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5
Q

What are the data mining methods?

A
  • Netural network
  • Sentiment analysis
  • Market basket analysis
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6
Q

What is sentiment analysis?

A

Involves determining wether a piece of text express a positive, netural or negative sentiment. Trynna figure out the mood of customers.

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7
Q

What is market basket analysis?

A

Look at what products are bought together to find associations or patterns in purchasing behaviour

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