public SymbolicExpression Create(R Engine, Varnames variable) { // check if string starts with comma, if true remove string dastring = string.Empty; if (constraintString.ToString().StartsWith(",")) { dastring = constraintString.ToString().Remove(0, 1); } else { dastring = constraintString.ToString(); } if (dastring.Length > 1) { Engine.Workspace.SetVariable(variable.Constr, "\"" + dastring + "\""); } else { Engine.Workspace.SetVariable(variable.Constr, "c(\"" + dastring + "\")"); } //Console.WriteLine("Creating constraints object {0} in R...", variable.Constr); }
internal void Execute(R Engine, Varnames variable) { string spec = variable.Spec; //Console.WriteLine("Creating specification object {0} in R...", spec); // Load all the necessary variables into R Environment (all the non-string parameters) portfInfo.Create(Engine, variable); // Execute PortfolioSpec in R Engine.Workspace.SetVariable(spec, this.ToRValue(variable)); // R version and this version of portfoliospec is in sync this.ChangedFlag = false; }