✍ Scribed by W. J. French
No coin nor oath required. For personal study only.
Multiple linear regression analysis has been used in an attempt to relate temperatures of first appearance of olivine, pyroxene, and plagioclase in basic and intermediate rocks, at atmospheric pressure, to the composition of the rocks. Equations are given that permit these temperatures to be obtained with a mean error of ll~ and the partial success of these equations suggests that a more refined analysis of the data would be well justified.
W.J. French: Table 2. Regression equation constants/or calculation o/ temperatures at Atmospheric pressure
(Pi (Xi--Xi)) where Tc=caleulated temperature, To=mean temperature of standard data, Pi = Vector of estimated parameter for component "i", Xi = concentration of component "i", in weight percent., Xi = mean concentration of component "i ", in standard data.
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