Instruction: Demonstrate how to connect to and consume data from an API in R.
Context: This question assesses the candidate's ability to integrate R with external data sources via APIs, a useful skill for accessing and analyzing live data.
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Firstly, it's essential to understand that working with APIs in R involves sending HTTP requests to the API's endpoints and processing the responses. The httr and jsonlite packages in R are indispensable tools for this purpose. httr simplifies HTTP requests, while jsonlite assists in parsing JSON data, the most common format for API responses.
"To initiate, you'll need to install and load the httr and jsonlite packages if you haven't already. This can be done using install.packages("httr") and install.packages("jsonlite"), followed by library(httr) and library(jsonlite)."...