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
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
3
Q
What aret the three v’s of big data?
A
- Volume
- velocity
- Variety
+
- Value
- Veracity
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
5
Q
What are the data mining methods?
A
- Netural network
- Sentiment analysis
- Market basket analysis
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.
7
Q
What is market basket analysis?
A
Look at what products are bought together to find associations or patterns in purchasing behaviour