Count of substrings >= 2 chars that are contained in file

Source: R/frame.R

Find the count of all possible substrings >= 2 chars that are contained in the specified line-separated text file.

h2o.num_valid_substrings(x, path)

Arguments

x	The column on which to calculate the number of valid substrings.
path	Path to text file containing line-separated strings to be referenced.