get_su-deprecated: Symmetrical Uncertainty diagnostic
In lubianat/FCBF: Fast Correlation Based Filter for Feature Selection

This functions runs symmetrical uncertainty for a feature table and a class, returning the scores of symmetrical uncertainty for all features

`x`	A table of features (observations in rows, variables in columns)
`y`	A target vector, factor containing classes of the observations. Note: the observations must be in the same order as the parameter x.
`samples_in_rows`	A flag for the case in which samples are in rows and variables/genes in columns. Defaults to FALSE.
`bar_of_progress`	A flag to show progress. Defaults to FALSE.