Q. What are the types of data available in Enterprises?
A. Structured data
Unstructured data
Big data from social media, surveys, pictures, audio, video, drawings, maps.
Machine generated data from instruments
Real time data feeds.
Q. What are the various types of analysis on type of data?
A. Univariate – 1 variable
bivariate – 2 variables
multivariate – more than 2 variables.
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Q. What is difference between primary data and secondary data ?
A. Data collected by the interested/self is primary data. This data is collected afresh and first time.
Someone else has collected the data and being used by you is secondary data.
Q. Explain the difference between qualitative & quantitative in Data Science?
A. Quantitative method analyses the data based on numbers. Qualitative method analyses the data by attributes.
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