Learn
Finding the median of a dataset becomes increasingly time-consuming as the size of your dataset increases — imagine finding the median of an unsorted dataset with 10,000 observations.
The R median()
function can do the work of sorting, then finding the median for you. In the example below, we use median()
to calculate the median of a dataset with ten values:
example_data = c(24, 16, 30, 10, 12, 28, 38, 2, 4, 36, 42) example_median = median(example_data) print(example_median)
The code above prints the median of the dataset, 24
. The mean of this dataset is 22
. It’s worth noting these two values are close to one another, but not equal.
Instructions
1.
Use R to find the median of the author_ages
array. Save the result to median_age
.
Does the median age of the authors surprise you? If so, how? Is it older, or younger than you expected?
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