Table of Contents

The concept of k-fold cross-validation

Introduction. FIXME

Animation

Demonstration of the k-fold Cross Validation
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This is a naive demonstration for the k-fold cross validation. The k rectangles in the plot denote the k folds of data. Each time a fold will be used as the test set and the rest parts as the training set.

R code

oopt = ani.options(ani.height = 400, ani.width = 600, outdir = getwd(), interval = 2,
    nmax = 10, title = "Demonstration of the k-fold Cross Validation",
    description = "This is a naive demonstration for the k-fold cross
    validation. The k rectangles in the plot denote the k folds of data.
    Each time a fold will be used as the test set and the rest parts
    as the training set.")
ani.start()
par(mar = c(3, 3, 1, 0.5), mgp = c(1.5, 0.5, 0), tcl = -0.3)
cv.ani(bty = "l")
ani.stop()
ani.options(oopt)