1 for a model with intercept and 0 for a model without intercept.
alpha
significance level to hypotheses tests.
print
1 to print response variables, fitted values and residuals, 0 to don't print.
Value
outliers
A vector with outliers indices.
.
References
Dielman, T. E. (2005) Least absolute value regression: recent contributions.
Journal of Statistical Computational and Simulation, 75(4), 263<U+2013>286. 10.1080/0094965042000223680