Man pages for smatr
(Standardised) Major Axis Estimation and Testing Routines

alpha.funUtility functions for robust fitting
b.com.estCommon slope estimation
coef.smaExtract coefficients from a 'sma' or 'ma' fit
com.ciCalculates a confidence interval for a common slope (called...
confint.smaReturns confidence intervals for sma object
elev.comTest for equal elevation among several lines fitted with...
elev.testOne-sample test of a (standardised) major axis elevation
fitted.smaReturns fitted values
gamma.funGamma function used in robust factor calculations
get_coefExtract a fitted coefficient for one level of the grouping...
ggplot.smaPlot a (S)MA fit using ggplot2
leaflifeLeaf longevity and leaf mass per area for plant species from...
leafmeasLeaf mass per area and photosynthetic rate for plant species...
line.cisSlope and elevation of a (standardised) major axis, with...
lr.b.comLikelihood ratio statistic, assuming a common slope (called...
maMajor axis estimation and testing for one or several samples
makeLogMinorGenerate spacing for minor tick marks on a plot with...
make_plot_dataBuild point and fitted-line data for plotting an sma fit
meas.estMeasurement error variance estimation from repeated measures
multcompmatrixMultiple comparisons graphical matrix
plot.smaDraw an X-Y plot
plotutilsUtility plotting functions
predict.smaPredicting from an (Standardized) major axis estimation
print.smaPrint an object of class 'sma'.
residuals.smaExtract model residuals
robust.factorComputers robust factor for elevation, slope and CI
seqLogSequence Generation
shift.comTest for no mean shift along a common (standardised) major...
slope.comCommon slope test amongst several allometric lines
slope.testOne-sample test of a (standardised) major axis slope
sma(Standardized) major axis estimation and testing for one or...
smatr-package(Standardised) Major Axis Estimation and Testing Routines
summary.smaPrint a summary
smatr documentation built on Oct. 7, 2026, 1:08 a.m.