Answer Posted / Ashok Kumar

A factor variable is a type of discrete data in R, which allows categorical data to be stored and manipulated. You would use it when your data consists of categories or labels instead of numerical values. It helps in data analysis and modeling, especially for statistical tests that require nominal or ordinal data.

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

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

148