The symbol that the analyst can put at the end of the end of code to add a layer to the plot is B. The plus sign (+).
Syntax is the set of rules that define what various symbol combinations mean. This instructs the computer on how to interpret the code. Syntax is a concept in programming that deals with a very specific set of words and their order when we give the computer instructions.
In this situation, the data analyst creates a bar chart with the diamonds dataset and they begin with the following line of code:ggplot(data = diamonds. It should be noted that according to syntax rules + sign is used.
Therefore, based on the information given, the correct option is B.
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