arr2vbt: Convert a structured character array to double list
Description
Convert a structured character array to a vector binary tree. All character elements in array will be splited by
a specific pattern then sorted intrinsically in each layer of the vector binary tree.
# NOT RUN {#Write the column names of datatest into a array:arr <- dl2arr(chrvec2dl(colnames(datatest)))
#Recover the vector binary tree from character array:arr2vbt(arr)
# }