Reference

Estimating a (Standardised) Major Axis Functions used to fit allometric lines
ma()	Major axis estimation and testing for one or several samples
sma()	(Standardized) major axis estimation and testing for one or several samples
meas.est()	Measurement error variance estimation from repeated measures
summary(<sma>)	Print a summary
coef(<sma>)	Extract coefficients from a 'sma' or 'ma' fit
print(<sma>)	Print an object of class 'sma'.
predict(<sma>)	Predicting from an (Standardized) major axis estimation
fitted(<sma>)	Returns fitted values
confint(<sma>)	Returns confidence intervals for sma object
residuals(<sma>)	Extract model residuals
Testing and making inferences about (S)MA Functions used to perform hypothesis testing using estimated lines
slope.test()	One-sample test of a (standardised) major axis slope
slope.com()	Common slope test amongst several allometric lines
elev.test()	One-sample test of a (standardised) major axis elevation
elev.com()	Test for equal elevation among several lines fitted with (standardised) major axes of common slope.
shift.com()	Test for no mean shift along a common (standardised) major axis
line.cis()	Slope and elevation of a (standardised) major axis, with confidence intervals
Looking at your estimated (S)MA Functions for visualisation axes
plot(<sma>)	Draw an X-Y plot
multcompmatrix()	Multiple comparisons graphical matrix
Datasets Example datasets included with smatr
leaflife	Leaf longevity and leaf mass per area for plant species from different sites
leafmeas	Leaf mass per area and photosynthetic rate for plant species from different sites