Answer Posted / Ram Yagya Pal

To create an S3 class in R, you need to define a function with a specific name pattern (i.e., `new_classname<-`). This function should include the `inherits` argument to specify the parent class and the `initialization` part for defining methods.

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

212

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

187

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

171