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It contains functions that solve least squares linear regression problems under linear equality/inequality constraints. It is developed based on the 'Fortran' program of Lawson and Hanson (1974, 1995), which is public domain and available at http://www.netlib.org/lawsonhanson.
Package details 


Author  Yong Wang [aut, cre], Charles L. Lawson [aut], Richard J. Hanson [aut] 
Date of publication  20151007 09:13:29 
Maintainer  Yong Wang <[email protected]> 
License  GPL (>= 2) 
Version  1.11 
URL  https://www.stat.auckland.ac.nz/~yongwang 
Package repository  View on CRAN 
Installation 
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