I am using package in R (smatr) and applying major axis regression, I get a series of statistical values but I don't understand the correlation coefficient (r) if it was calculated based on Pearson or based on another?
Here are my results:
Call: sma(formula = RPP2 ~ RPP1, data = dat, slope.test = 1)
Fit using Standardized Major Axis
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Coefficients:
elevation slope
estimate -0.4426533 0.9489647
lower limit -0.6243337 0.9430954
upper limit -0.2609728 0.9548706
H0 : variables uncorrelated
R-squared : 0.86427
P-value : < 2.22e-16
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H0 : slope not different from 1
Test statistic : r= -0.1408 with 13548 degrees of freedom under H0
P-value : < 2.22e-16