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diff --git a/DESCRIPTION b/DESCRIPTION
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+Package: gensvm
+Version: 0.0.1
+Date: 2017-07-26
+Title: GenSVM
+Authors@R: c(person("Gertjan", "van den Burg", role=c("aut", "cre"),
+			email="gertjanvandenburg@gmail.com"),
+		person("Patrick", "Groenen", email="groenen@ese.eur.nl", role="ctb"))
+Description: TBD
+License: GPL (>= 2)
+Depends:
+    R (>= 3.0.0)
+URL: https://github.com/GjjvdBurg/RGenSVM
+BugReports: https://github.com/GjjvdBurg/RGenSVM
+RoxygenNote: 5.0.1
diff --git a/LICENSE b/LICENSE
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--- /dev/null
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+
+  15. Disclaimer of Warranty.
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+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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+  16. Limitation of Liability.
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+SUCH DAMAGES.
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+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
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+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
+
diff --git a/R/coef.gensvm.R b/R/coef.gensvm.R
new file mode 100644
index 0000000..19ab0aa
--- /dev/null
+++ b/R/coef.gensvm.R
@@ -0,0 +1,33 @@
+#' @title Get the coefficients of the fitted GenSVM model
+#'
+#' @description Returns the model coefficients of the GenSVM object
+#'
+#' @param object a \code{gensvm} object
+#' @param \dots further arguments are ignored
+#'
+#' @return The coefficients of the GenSVM model. This is a matrix of size
+#' \eqn{(n_{features} + 1) x (n_{classes} - 1)}. This matrix is used to project 
+#' the input data to a low dimensional space using the equation: \eqn{XW + t} 
+#' where \eqn{X} is the input matrix, \eqn{t} is the first row of the matrix 
+#' returned by this function, and \eqn{W} is the \eqn{n_{features} x 
+#' (n_{classes} - 1)} matrix formed by the remaining rows.
+#'
+#' @author
+#' Gerrit J.J. van den Burg, Patrick J.F. Groenen
+#' Maintainer: Gerrit J.J. van den Burg <gertjanvandenburg@gmail.com>
+#'
+#' @references
+#' Van den Burg, G.J.J. and Groenen, P.J.F. (2016). \emph{GenSVM: A Generalized 
+#' Multiclass Support Vector Machine}, Journal of Machine Learning Research, 
+#' 17(225):1--42. URL \url{http://jmlr.org/papers/v17/14-526.html}.
+#'
+#' @method coef gensvm
+#' @export
+#'
+#' @examples
+#'
+#'
+coef.gensvm <- function(object, ...)
+{
+    return(object$V)
+}
diff --git a/R/gensvm-kernels.R b/R/gensvm-kernels.R
new file mode 100644
index 0000000..8e445c0
--- /dev/null
+++ b/R/gensvm-kernels.R
@@ -0,0 +1,10 @@
+#' Kernels in GenSVM
+#'
+#' GenSVM can be used for both linear multiclass support vector machine 
+#' classification and for nonlinear classification with kernels. In general, 
+#' linear classification will be faster but depending on the dataset higher 
+#' classification performance can be achieved using a nonlinear kernel.
+#'
+#' The following nonlinear kernels are implemented in the GenSVM package:
+#' \describe{
+#'  \item{RBF}{The Radial Basis Function kernel is a commonly used kernel. 
diff --git a/R/gensvm-package.R b/R/gensvm-package.R
new file mode 100644
index 0000000..13c2c31
--- /dev/null
+++ b/R/gensvm-package.R
@@ -0,0 +1,56 @@
+#' GenSVM: A Generalized Multiclass Support Vector Machine
+#'
+#' The GenSVM classifier is a generalized multiclass support vector machine 
+#' (SVM). This classifier simultaneously aims to find decision boundaries that 
+#' separate the classes with as wide a margin as possible. In GenSVM, the loss 
+#' functions that measures how misclassifications are counted is very flexible.  
+#' This allows the user to tune the classifier to the dataset at hand and 
+#' potentially obtain higher classification accuracy. Moreover, this 
+#' flexibility means that GenSVM has a number of alternative multiclass SVMs as 
+#' special cases. One of the other advantages of GenSVM is that it is trained 
+#' in the primal, allowing the use of warm starts during optimization. This 
+#' means that for common tasks such as cross validation or repeated model 
+#' fitting, GenSVM can be trained very quickly.
+#'
+#' This package provides functions for training the GenSVM model either as a 
+#' separate model or through a cross-validated parameter grid search. In both 
+#' cases the GenSVM C library is used for speed. Auxiliary functions for 
+#' evaluating and using the model are also provided.
+#'
+#' @section GenSVM functions:
+#' The main GenSVM functions are:
+#' \describe{
+#' \item{\code{\link{gensvm}}}{Fit a GenSVM model for specific model 
+#' parameters.}
+#' \item{\code{\link{gensvm.grid}}}{Run a cross-validated grid search for 
+#' GenSVM.}
+#' }
+#'
+#' Other available functions are:
+#' \describe{
+#' \item{\code{\link{plot}}}{Plot the low-dimensional \emph{simplex} space 
+#' where the decision boundaries are fixed.}
+#' \item{\code{\link{predict}}}{Predict the class labels of new data using the 
+#' GenSVM model.}
+#' \item{\code{\link{coef}}}{Get the coefficients of the GenSVM model}
+#' \item{\code{\link{print}}}{Print a short description of the fitted GenSVM 
+#' model}
+#' }
+#'
+#' @author
+#' Gerrit J.J. van den Burg, Patrick J.F. Groenen
+#' Maintainer: Gerrit J.J. van den Burg <gertjanvandenburg@gmail.com>
+#'
+#' @references
+#' Van den Burg, G.J.J. and Groenen, P.J.F. (2016). \emph{GenSVM: A Generalized 
+#' Multiclass Support Vector Machine}, Journal of Machine Learning Research, 
+#' 17(225):1--42. URL \url{http://jmlr.org/papers/v17/14-526.html}.
+#'
+#' @examples
+#'
+#'
+#' @name gensvm-package
+#' @docType package
+#' @import
+NULL
+#>NULL
diff --git a/R/gensvm.R b/R/gensvm.R
new file mode 100644
index 0000000..1923f06
--- /dev/null
+++ b/R/gensvm.R
@@ -0,0 +1,128 @@
+#' @title Fit the GenSVM model
+#'
+#' @description Fits the Generalized Multiclass Support Vector Machine model 
+#' with the given parameters.
+#'
+#' @param X data matrix with the predictors
+#' @param y class labels
+#' @param p parameter for the L_p norm of the loss function (1.0 <= p <= 2.0)
+#' @param lambda regularization parameter for the loss function (lambda > 0)
+#' @param kappa parameter for the hinge function in the loss function (kappa > 
+#' -1.0)
+#' @param weights type of instance weights to use. Options are 'unit' for unit 
+#' weights and 'group' for group size correction weight (eq. 4 in the paper).
+#' @param kernel the kernel type to use in the classifier. It must be one of 
+#' 'linear', 'poly', 'rbf', or 'sigmoid'.
+#' @param gamma kernel parameter for the rbf, polynomial, and sigmoid kernel.  
+#' If gamma is 'auto', then 1/n_features will be used.
+#' @param coef parameter for the polynomial and sigmoid kernel.
+#' @param degree parameter for the polynomial kernel
+#' @param kernel.eigen.cutoff Cutoff point for the reduced eigendecomposition 
+#' used with kernel-GenSVM. Eigenvectors for which the ratio between their 
+#' corresponding eigenvalue and the largest eigenvalue is smaller than this 
+#' cutoff value will be dropped.
+#' @param verbose Turn on verbose output and fit progress
+#' @param random.seed Seed for the random number generator (useful for 
+#' reproducible output)
+#' @param max.iter Maximum number of iterations of the optimization algorithm.
+#'
+#' @return A "gensvm" S3 object is returned for which the print, predict, coef, 
+#' and plot methods are available. It has the following items:
+#' \item{call}{The call that was used to construct the model.}
+#' \item{lambda}{The regularization parameter used in the model.}
+#' \item{kappa}{The hinge function parameter used.}
+#' \item{epsilon}{The stopping criterion used.}
+#' \item{weights}{The instance weights type used.}
+#' \item{kernel}{The kernel function used.}
+#' \item{gamma}{The value of the gamma parameter of the kernel, if applicable}.
+#' \item{coef}{The value of the coef parameter of the kernel, if applicable}
+#' \item{degree}{The degree of the kernel, if applicable}
+#' \item{kernel.eigen.cutoff}{The cutoff value of the reduced 
+#' eigendecomposition of the kernel matrix}
+#' \item{random.seed}{The random seed used to seed the model.}
+#' \item{max.iter}{Maximum number of iterations of the algorithm.}
+#'
+#' @author
+#' Gerrit J.J. van den Burg, Patrick J.F. Groenen
+#' Maintainer: Gerrit J.J. van den Burg <gertjanvandenburg@gmail.com>
+#'
+#' @references
+#' Van den Burg, G.J.J. and Groenen, P.J.F. (2016). \emph{GenSVM: A Generalized 
+#' Multiclass Support Vector Machine}, Journal of Machine Learning Research, 
+#' 17(225):1--42. URL \url{http://jmlr.org/papers/v17/14-526.html}.
+#'
+#' @seealso
+#' \code{\link{coef}}, \code{\link{print}}, \code{\link{predict}}, 
+#' \code{\link{plot}}, and \code{\link{gensvm.grid}}.
+#'
+#' @export
+#'
+#' @examples
+#' X <- 
+#'
+gensvm <- function(X, y, p=1.0, lambda=1e-5, kappa=0.0, epsilon=1e-6, 
+                   weights='unit', kernel='linear', gamma='auto', coef=0.0, 
+                   degree=2.0, kernel.eigen.cutoff=1e-8, verbose=0, 
+                   random.seed=NULL, max.iter=1e8, seed.V=NULL)
+{
+    call <- match.call()
+
+
+    # TODO: generate the random.seed value in R if it is NULL. Then you can 
+    # return it and people can still reproduce even if they forgot to set it 
+    # explicitly.
+
+    # TODO: Store a labelencoder in the object, preferably as a partially 
+    # hidden item. This can then be used with prediction.
+
+    n.objects <- nrow(X)
+    n.features <- ncol(X)
+    n.classes <- length(unique(y))
+
+
+    # Convert labels to integers
+    y.clean <- label.encode(y)
+
+    # Convert weights to index
+    weight.idx <- which(c("unit", "group") == weights)
+    if (length(weight.idx) == 0) {
+        stop("Incorrect weight specification. ",
+             "Valid options are 'unit' and 'group'")
+    }
+
+    # Convert kernel to index
+    kernel.idx <- which(c("linear", "poly", "rbf", "sigmoid") == kernel)
+    if (length(kernel.idx) == 0) {
+        stop("Incorrect kernel specification. ",
+             "Valid options are 'linear', 'poly', 'rbf', and 'sigmoid'")
+    }
+
+
+    out <- .Call("R_gensvm_train",
+                  as.matrix(t(X)),
+                  as.integer(y.clean),
+                  p,
+                  lambda,
+                  kappa,
+                  epsilon,
+                  weight.idx,
+                  kernel.idx,
+                  gamma,
+                  coef,
+                  degree,
+                  kernel.eigen.cutoff,
+                  verbose,
+                  max.iter,
+                  random.seed,
+                  seed.V)
+
+
+    object <- list(call = call, lambda = lambda, kappa = kappa, 
+                   epsilon = epsilon, weights = weights, kernel = kernel, 
+                   gamma = gamma, coef = coef, degree = degree, 
+                   kernel.eigen.cutoff = kernel.eigen.cutoff, 
+                   random.seed = random.seed, max.iter = max.iter, 
+                   V = out$V, n.iter = out$n.iter, n.support = out$n.support)
+    class(object) <- "gensvm"
+    return(object)
+}
diff --git a/R/gensvm.grid.R b/R/gensvm.grid.R
new file mode 100644
index 0000000..37e2f7f
--- /dev/null
+++ b/R/gensvm.grid.R
@@ -0,0 +1,116 @@
+#' @title Cross-validated grid search for GenSVM
+#'
+#' @description This function performs a cross-validated grid search of the 
+#' model parameters to find the best hyperparameter configuration for a given 
+#' dataset. This function takes advantage of GenSVM's ability to use warm 
+#' starts to speed up computation. The function also uses the GenSVM C library 
+#' for speed. 
+#'
+#' There are two ways to use this function: either by providing a data frame 
+#' with the parameter configurations to try or by giving each of the function 
+#' inputs a vector of values to evaluate. In the latter case all combinations 
+#' of the provided values will be used (i.e. the product set).
+#'
+#' @param X training data matrix. We denote the size of this matrix by 
+#' n_samples x n_features.
+#' @param y training vector of class labes of length n_samples. The number of 
+#' unique labels in this vector is denoted by n_classes.
+#' @param df Data frame with parameter configurations to evaluate.  
+#' If this is provided it overrides the other parameter ranges provided. The 
+#' data frame must provide *all* required columns, as described below.
+#' @param p vector of values to try for the \eqn{p} hyperparameter 
+#' for the \eqn{\ell_p} norm in the loss function. All values should be on the 
+#' interval [1.0, 2.0].
+#' @param lambda vector of values for the regularization parameter 
+#' \eqn{\lambda} in the loss function. All values should be larger than 0.
+#' @param kappa vector of values for the hinge function parameter in 
+#' the loss function. All values should be larger than -1.
+#' @param weights vector of values for the instance weights. Values 
+#' should be either 'unit', 'group', or both.
+#' @param kernel vector of values for the kernel type. Possible 
+#' values are: 'linear', 'rbf', 'poly', or 'sigmoid', or any combination of 
+#' these values. See the article \link[=gensvm-kernels]{Kernels in GenSVM} for 
+#' more information.
+#' @param gamma kernel parameter for the 'rbf', 'poly', and 'sigmoid' kernels.  
+#' If it is 'auto', 1/n_features will be used. See the article 
+#' \link[=gensvm-kernels]{Kernels in GenSVM} for more information.
+#' @param coef kernel parameter for the 'poly' and 'sigmoid' 
+#' kernels. See the article \link[=gensvm-kernels]{Kernels in GenSVM} for more 
+#' information.
+#' @param degree kernel parameter for the 'poly' kernel. See the 
+#' article \link[=gensvm-kernels]{Kernels in GenSVM} for more information.
+#' @param max.iter maximum number of iterations to run in the 
+#' optimization algorithm.
+#' @param refit boolean variable. If true, the best model from cross validation 
+#' is fitted again on the entire dataset.
+#' @param scoring metric to use to evaluate the classifier performance during 
+#' cross validation. The metric should be an R function that takes two 
+#' arguments: y_true and y_pred and that returns a float such that higher 
+#' values are better. If it is NULL, the accuracy score will be used.
+#' @param cv the number of cross-validation folds to use or a vector with the 
+#' same length as \code{y} where each unique value denotes a test split.
+#' @param verbose boolean variable to indicate whether training details should 
+#' be printed.
+#'
+#' @return A "gensvm.grid" S3 object with the following items:
+#' \item{cv.results}{A data frame with the cross validation results}
+#' \item{best.estimator}{If refit=TRUE, this is the GenSVM model fitted with 
+#' the best hyperparameter configuration, otherwise it is NULL}
+#' \item{best.score}{Mean cross-validated score for the model with the best 
+#' hyperparameter configuration}
+#' \item{best.params}{Parameter configuration that provided the highest mean 
+#' cross-validated score}
+#' \item{best.index}{Row index of the cv.results data frame that corresponds to 
+#' the best hyperparameter configuration}
+#' \item{n.splits}{The number of cross-validation splits}
+#'
+#'
+#'
+#' @section Using a DataFrame:
+#' ...
+#'
+#'
+#' @author
+#' Gerrit J.J. van den Burg, Patrick J.F. Groenen
+#' Maintainer: Gerrit J.J. van den Burg <gertjanvandenburg@gmail.com>
+#'
+#' @references
+#' Van den Burg, G.J.J. and Groenen, P.J.F. (2016). \emph{GenSVM: A Generalized 
+#' Multiclass Support Vector Machine}, Journal of Machine Learning Research, 
+#' 17(225):1--42. URL \url{http://jmlr.org/papers/v17/14-526.html}.
+#'
+#' @seealso
+#' \code{\link{coef}}, \code{\link{print}}, \code{\link{predict}}, 
+#' \code{\link{plot}}, and \code{\link{gensvm.grid}}.
+#'
+#'
+#' @export
+#'
+#' @examples
+#' X <- 
+#'
+
+gensvm.grid <- function(X, y,
+                        df=NULL,
+                        p=c(1.0, 1.5, 2.0), 
+                        lambda=c(1e-8, 1e-6, 1e-4, 1e-2, 1),
+                        kappa=c(-0.9, 0.5, 5.0),
+                        weights=c('unit', 'group'),
+                        kernel=c('linear'),
+                        gamma=c('auto'),
+                        coef=c(0.0),
+                        degree=c(2.0),
+                        max.iter=c(1e8),
+                        refit=TRUE,
+                        scoring=NULL,
+                        cv=3,
+                        verbose=TRUE)
+{
+    call <- match.call()
+
+
+
+    object <- list(...)
+    class(object) <- "gensvm.grid"
+    return(object)
+}
diff --git a/R/predict.gensvm.R b/R/predict.gensvm.R
new file mode 100644
index 0000000..6cc8851
--- /dev/null
+++ b/R/predict.gensvm.R
@@ -0,0 +1,36 @@
+#' @title Predict class labels with the GenSVM model
+#'
+#' @description This function predicts the class labels of new data using a 
+#' fitted GenSVM model.
+#'
+#' @param object Fitted \code{gensvm} object
+#' @param newx Matrix of new values for \code{x} for which predictions need to 
+#' be made.
+#' @param \dots further arguments are ignored
+#'
+#' @return a vector of class labels, with the same type as the original class 
+#' labels.
+#'
+#' @export
+#' @aliases predict
+#'
+#' @author
+#' Gerrit J.J. van den Burg, Patrick J.F. Groenen
+#' Maintainer: Gerrit J.J. van den Burg <gertjanvandenburg@gmail.com>
+#'
+#' @references
+#' Van den Burg, G.J.J. and Groenen, P.J.F. (2016). \emph{GenSVM: A Generalized 
+#' Multiclass Support Vector Machine}, Journal of Machine Learning Research, 
+#' 17(225):1--42. URL \url{http://jmlr.org/papers/v17/14-526.html}.
+#'
+#' @examples
+#'
+#'
+#'
+predict.gensvm <- function(object, newx, ...)
+{
+    # TODO: C library fitting prediction here (or not? with the column-major 
+    # order it may be faster to do it directly in R)
+
+    return(yhat)
+}
diff --git a/R/print.gensvm.R b/R/print.gensvm.R
new file mode 100644
index 0000000..8d17b0c
--- /dev/null
+++ b/R/print.gensvm.R
@@ -0,0 +1,34 @@
+#' @title Print the fitted GenSVM model
+#'
+#' @description Prints a short description of the fitted GenSVM model
+#'
+#' @param object A \code{gensvm} object to print
+#' @param \dots further arguments are ignored
+#'
+#' @return returns the object passed as input
+#'
+#' @author
+#' Gerrit J.J. van den Burg, Patrick J.F. Groenen
+#' Maintainer: Gerrit J.J. van den Burg <gertjanvandenburg@gmail.com>
+#'
+#' @references
+#' Van den Burg, G.J.J. and Groenen, P.J.F. (2016). \emph{GenSVM: A Generalized 
+#' Multiclass Support Vector Machine}, Journal of Machine Learning Research, 
+#' 17(225):1--42. URL \url{http://jmlr.org/papers/v17/14-526.html}.
+#'
+#' @method print gensvm
+#' @export
+#'
+#' @examples
+#'
+#'
+print.gensvm <- function(object, ...)
+{
+    cat("\nCall:\n")
+    dput(object$call)
+
+    # TODO: fill this out
+    #
+    #
+    invisible(object)
+}
diff --git a/R/util.labelencoder.R b/R/util.labelencoder.R
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/R/util.labelencoder.R
@@ -0,0 +1 @@
+