Sorting trees
Sometimes it's easiest to understand data when it is sorted according to the value you are most interested in. Your new research task is to create an array containing the trunk diameters in the New York City tree census, sorted in order from smallest to largest.
numpy
is loaded as np
, and the tree_census
2D array is available.
This exercise is part of the course
Introduction to NumPy
Exercise instructions
- Create an array called
sorted_trunk_diameters
which selects only the trunk diameter column fromtree_census
and sorts it so that the smallest trunk diameters are at the top of the array and the largest at the bottom.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Extract trunk diameters information and sort from smallest to largest
sorted_trunk_diameters = ____
print(sorted_trunk_diameters)