(1)Basic Terms ·Data a set of values of qualitative or quantitative variables; restated,pieces of data are individual pieces of information; ●Dataset a collection of data,lists values for each of the variables; Data object a location in memory having a value and possibly referenced by an identifier; Points,vectors,patterns,samples,observations.... DATA 8 Copyright 2019 by Xiaoyu Li.Copyright © 2019 by Xiaoyu Li. 8 （1）Basic Terms  Data a set of values of qualitative or quantitative variables; restated, pieces of data are individual pieces of information;  Dataset a collection of data, lists values for each of the variables;  Data object a location in memory having a value and possibly referenced by an identifier; Points, vectors, patterns, samples, observations…