Answer Posted / Sabhajeet Sonkar

Debuggers in R help identify and fix errors (or bugs) in your code. Techniques include using the browser() function, which allows you to step through your code one line at a time; setting breakpoints with the breakpoint() function; and using print statements to monitor variable values.

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