Exemple #1
0
        /// <summary>
        /// Executes the program
        /// </summary>
        /// <param name="args">The arguments.</param>
        public static void Main(string[] args)
        {
            using (var s = new RConnection(new System.Net.IPAddress(new byte[] { 192, 168, 37, 10 }), port: 6311, user: "******", password: "******"))
            {
                // Generate some example data
                var x = Enumerable.Range(1, 20).ToArray();
                var y = (from a in x select(0.5 * a * a) + 2).ToArray();

                // Build an R data frame
                var d = Sexp.MakeDataFrame();
                d["x"] = Sexp.Make(x);
                d["y"] = Sexp.Make(y);
                s["d"] = d;

                // Run a linear regression, obtain the summary, and print the result
                var linearModelSummary = s["summary(lm(y ~ x, d))"];
                Console.WriteLine(linearModelSummary.Count);
                var coefs    = linearModelSummary["coefficients"];
                var rSquared = ( double )linearModelSummary["r.squared"];
                Console.WriteLine("y = {0} x + {1}. R^2 = {2,4:F}%", coefs[1, 0], coefs[0, 0], rSquared * 100);

                // Make a chart and transfer it to the local machine
                s.VoidEval("library(ggplot2)");
                s.VoidEval("pdf(\"outfile.pdf\")");
                s.VoidEval("print(qplot(x,y, data=d))");
                s.VoidEval("dev.off()");

                using (var f = File.Create("Data Plot.pdf"))
                {
                    s.ReadFile("outfile.pdf").CopyTo(f);
                }

                s.RemoveFile("outfile.pdf");

                // Now let's do some linear algebra
                var matA = new double[, ] {
                    { 14, 9, 3 }, { 2, 11, 15 }, { 0, 12, 17 }, { 5, 2, 3 }
                };
                var matB = new double[, ] {
                    { 12, 25 }, { 9, 10 }, { 8, 5 }
                };
                s["a"] = Sexp.Make(matA);
                s["b"] = Sexp.Make(matB);
                Console.WriteLine(s["a %*% b"].ToString());
            }

            Console.WriteLine("Done");
        }
Exemple #2
0
        /// <summary>
        /// Executes the program
        /// </summary>
        /// <param name="args">The arguments.</param>
        public static void Main(string[] args)
        {
            using (var s = new RConnection(new System.Net.IPAddress(new byte[] { 127, 0, 0, 1 })))
            {
                // Generate some example data
                var x = Enumerable.Range(1, 20).ToArray();
                var y = (from a in x select(0.5 * a * a) + 2).ToArray();

                // Build an R data frame
                var d = Sexp.MakeDataFrame();
                d["x"] = Sexp.Make(x);
                d["y"] = Sexp.Make(y);
                s["d"] = d;

                // Run a linear regression, obtain the summary, and print the result
                s.VoidEval("linearModelSummary = summary(lm(y ~ x, d))");
                var coefs    = s["linearModelSummary$coefficients"];
                var rSquared = s["linearModelSummary$r.squared"].AsDouble;
                Console.WriteLine("y = {0} x + {1}. R^2 = {2,4:F}%", coefs[1, 0], coefs[0, 0], rSquared * 100);

                // Now let's do some linear algebra
                var matA = new double[, ] {
                    { 14, 9, 3 }, { 2, 11, 15 }, { 0, 12, 17 }, { 5, 2, 3 }
                };
                var matB = new double[, ] {
                    { 12, 25 }, { 9, 10 }, { 8, 5 }
                };
                s["a"] = Sexp.Make(matA);
                s["b"] = Sexp.Make(matB);
                Console.WriteLine(s["a %*% b"].ToString());
            }
            Console.WriteLine("Done");
        }
        /// <summary>
        /// Executes the program
        /// </summary>
        /// <param name="args">The arguments.</param>
        public static void Main( string[] args )
        {
            using ( var s = new RConnection( new System.Net.IPAddress( new byte[] { 127 , 0 , 0 , 1 } ) ) )
            {
                // Generate some example data
                var x = Enumerable.Range( 1 , 20 ).ToArray();
                var y = ( from a in x select ( 0.5 * a * a ) + 2 ).ToArray();

                // Build an R data frame
                var d = Sexp.MakeDataFrame();
                d[ "x" ] = Sexp.Make( x );
                d[ "y" ] = Sexp.Make( y );
                s[ "d" ] = d;

                // Run a linear regression, obtain the summary, and print the result
                s.VoidEval( "linearModelSummary = summary(lm(y ~ x, d))" );
                var coefs = s[ "linearModelSummary$coefficients" ];
                var rSquared = s[ "linearModelSummary$r.squared" ].AsDouble;
                Console.WriteLine( "y = {0} x + {1}. R^2 = {2,4:F}%" , coefs[ 1 , 0 ] , coefs[ 0 , 0 ] , rSquared * 100 );

                // Now let's do some linear algebra
                var matA = new double[ , ] { { 14 , 9 , 3 } , { 2 , 11 , 15 } , { 0 , 12 , 17 } , { 5 , 2 , 3 } };
                var matB = new double[ , ] { { 12 , 25 } , { 9 , 10 } , { 8 , 5 } };
                s[ "a" ] = Sexp.Make( matA );
                s[ "b" ] = Sexp.Make( matB );
                Console.WriteLine( s[ "a %*% b" ].ToString() );
            }
            Console.WriteLine( "Done" );
        }
        /// <summary>
        /// Executes the program
        /// </summary>
        /// <param name="args">The arguments.</param>
        public static void Main( string[] args )
        {
            using ( var s = new RConnection( new System.Net.IPAddress( new byte[] { 192 , 168 , 37 , 10 } ) , port: 6311 , user: "******" , password: "******" ) )
            {
                // Generate some example data
                var x = Enumerable.Range( 1 , 20 ).ToArray();
                var y = ( from a in x select ( 0.5 * a * a ) + 2 ).ToArray();

                // Build an R data frame
                var d = Sexp.MakeDataFrame();
                d[ "x" ] = Sexp.Make( x );
                d[ "y" ] = Sexp.Make( y );
                s[ "d" ] = d;

                // Run a linear regression, obtain the summary, and print the result
                var linearModelSummary = s[ "summary(lm(y ~ x, d))" ];
                Console.WriteLine( linearModelSummary.Count );
                var coefs = linearModelSummary[ "coefficients" ];
                var rSquared = ( double )linearModelSummary[ "r.squared" ];
                Console.WriteLine( "y = {0} x + {1}. R^2 = {2,4:F}%" , coefs[ 1 , 0 ] , coefs[ 0 , 0 ] , rSquared * 100 );

                // Make a chart and transfer it to the local machine
                s.VoidEval( "library(ggplot2)" );
                s.VoidEval( "pdf(\"outfile.pdf\")" );
                s.VoidEval( "print(qplot(x,y, data=d))" );
                s.VoidEval( "dev.off()" );

                using ( var f = File.Create( "Data Plot.pdf" ) )
                {
                    s.ReadFile( "outfile.pdf" ).CopyTo( f );
                }

                s.RemoveFile( "outfile.pdf" );

                // Now let's do some linear algebra
                var matA = new double[ , ] { { 14 , 9 , 3 } , { 2 , 11 , 15 } , { 0 , 12 , 17 } , { 5 , 2 , 3 } };
                var matB = new double[ , ] { { 12 , 25 } , { 9 , 10 } , { 8 , 5 } };
                s[ "a" ] = Sexp.Make( matA );
                s[ "b" ] = Sexp.Make( matB );
                Console.WriteLine( s[ "a %*% b" ].ToString() );
            }

            Console.WriteLine( "Done" );
        }