Answer Posted / Ashutosh Kumar Singh Raghuvans

Extended examples of connections in R refer to connecting with external resources beyond simple data files or databases. This can include web APIs, remote databases, and other network services. For instance, using the `httr` package, you can make HTTP requests to fetch data from a website, such as `GET()` or `POST()` functions.

Given a vector of numbers, how would you turn the values into scientific notation?

102

How can you verify if a given object “X” is a matrix data object?

118

How will you convert a factor variable to numeric in r language?

148