R functions (L)

The list of new R functions introduced in this Machine learning lab component are below:

Function_name	Package_name	Use
fancyRpartPlot	rattle	To plot an rpart object
fviz_nbclust	factoextra	To visualize the optimal number of clusters
kmeans	base/stats	To conduct K-Means cluster analysis
lowess	base/stats	To perform scatter plot smoothing aka lowess smoothing
rpart	rpart	To fit a classification tree (CART)
terms	base/stats	To extarct terms objects
varImp	caret	To calculate the variable importance measure