Deprecated methods

Here is a list of methods, which are deprecated, meaning they still work but it is recommended to replace them with the alternatives.

• prep.autoscale() — use prep.center() and prep.scale() instead.
• prep.snv() — use prep.norm() with parameter type = "snv" as an alternative.
• prep.msc() — use prep.emsc() with parameter degree = 0.
• employ.prep() — use prep.apply() instead.