Answer Posted / Ram Pyara Singh

In R programming, a matrix is a two-dimensional array of numbers arranged in rows and columns. Matrices can be created using various R functions like `matrix()`, `cbind()`, and `rbind()`.nnThe matrix functions in R are used for matrix operations such as arithmetic (addition, subtraction, multiplication, division), manipulation (transpose, extracting rows or columns, reshaping), and statistical analysis.nnSome common matrix functions include `dim()`, `colnames()`, `rownames()`, `apply()`, `det()`, `eig()`, and `svd()`.

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?

102

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

117