path.matrix.chart: Plot optimization path of textreg.
Description
Plot the sequence of features as they are introduced with the textreg gradient descent
program.
Usage
path.matrix.chart(path.matrix, xlab = "step", ylab = "beta", bty = "n", ...)
Arguments
path.matrix
Either a textreg.result object or a matrix from the make.path.matrix call.
...
Arguments to be passed to the matplot() command.