DOF Formulas
The basis of these formulas is given in the section Derivation of the DOF formulas; refer to the diagram in that section for illustration of the quantities discussed below.
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“That’s the great danger of sectarian opinions, they always accept the formulas of past events as useful for the measurement of future events and they never are, if you have high standards of accuracy.”
—John Dos Passos (1896–1970)