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  "Author": "Michail Tsagris [aut, cre]",
  "Maintainer": "Michail Tsagris <mtsagris@uoc.gr>",
  "Description": "Constrained ordinary least squares is performed. One\nconstraint is that all beta coefficients (including the\nconstant) cannot be negative. They can be either 0 or strictly\npositive. Another constraint is that the sum of the beta\ncoefficients equals a constant. References: Hansen, B. E.\n(2022). Econometrics, Princeton University Press.\n<ISBN:9780691235899>.",
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