Data/Variable Types is a particular kind of data item, as defined by the values it can take, the programming language used, or the operations that can be performed on it Data/Variable Types Quantitative quantitative variables can be either: continuous - discrete - quantitative variables can be either: interval - ratio - Qualitative qualitative variables can be either: binomial/binary - have only two values multinomial/n-ary - having 2 or more values qualitative variables can be either: factor - values are not ordered ordinal - having at least three values that are ordered Subpages Data／Variable Types - Levels (Base - Flat - Complex) Data／Variable Types - Measurement Scales (Nominal／Categorical／Factor - Ordinal - Interval - Ratio)