A single number we can calculate from a list of paired values.
It tells us if the paired values tend to rise or fall together:
• positive says they rise and fall together
• negative says that one rises as the other falls
Copyright © 2025 Rod Pierce
A single number we can calculate from a list of paired values.
It tells us if the paired values tend to rise or fall together:
• positive says they rise and fall together
• negative says that one rises as the other falls