Select the correct statement about data preparation.
a. Data preparation cannot be accelerated through automation.
b. Data preparation involves dealing with missing improperly coded data and can include using text analysis to structure unstructured or semi-structured text data.
c. Data preparation is typically the least time-consuming methodological step. d. All of the above. e. None of the above.

The answer is "Option b"

Explanation:

Data preparation is the method of purification and analysis of raw information before scanning and review. It is a major step before processing, which frequently includes information system restore, database correction and the combination of data sets, which enhance data result, in this question except option b all choices were incorrect, which can be described as follows: