What is the first step a consultant should take after the data is loaded?

A dataset is ready for analysis in Einstein Discovery.

What is the first step a consultant should take after the data is loaded?
A . Identify data types and define the appropriate data as numeric.
B . Analyze data columns and decide which, if any, to drop.
C . Produce a graph of the data to analyze.
D . Load the data into Einstein Analytics

Answer: A