Slide 28
Slide 28 text
Now, About That Fraction
Triangles Tell The Tale
That was all very interesting but it hasn’t really explained where the
1/2 comes from in the standard Apdex definition.
Suppose we simply divide the time-axis by the lower threshold T:
0, T, 2T, 3T, 4T, 5T.
The Tolerating Zone covers: T, 2T, 3T, 4T, terminating at F = 4T,
consistent with the Apdex definition.
We also suppose that the Satisfied Zone has some counts in it.
Here’s what that might look like for some arbitrary counts.
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