Answer Posted / Hemant Dhanvik

In R, a tree is a recursive data structure composed of nodes where each node either represents a simple value or has branches to smaller trees. Common examples include decision trees and recursive partitioning trees.

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

148

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

103

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

118