Course Content

# R Introduction: Part I

R Introduction: Part I

## Summary

If you're looking to count the occurrences of each value within a vector, the `summary()`

function is precisely what you need.

To tally the frequency of each level within a factor, invoke the `summary()`

function with the factor as its argument. This will enumerate the occurrences for each level that the factor can take. For instance:

Remember, the sequence of the levels reported by `summary()`

corresponds to the order defined when you employed the `factor()`

function (without a defined order, it defaults to numerical order or alphabetical order).

# Task

For the grades data mentioned earlier compute the frequency of each grade within the `grades_f`

factor.

Everything was clear?

Section 3. Chapter 4