Data matrix
Encyclopedia
Data matrix can refer to:
- Matrix (mathematics)Matrix (mathematics)In mathematics, a matrix is a rectangular array of numbers, symbols, or expressions. The individual items in a matrix are called its elements or entries. An example of a matrix with six elements isMatrices of the same size can be added or subtracted element by element...
- A rectangular array of elements - Data matrix (computer) - An encoded barcode.
- Data setData setA data set is a collection of data, usually presented in tabular form. Each column represents a particular variable. Each row corresponds to a given member of the data set in question. Its values for each of the variables, such as height and weight of an object or values of random numbers. Each...
- A collection of data in tabular form. - Data matrix (multivariate statistics)Data matrix (multivariate statistics)In multivariate statistics, a data matrix is a mathematical matrix of data whose rows represent different repetition of an experiment, and whose columns represent different types of datum . For example, suppose an experiment is run where 10 people are pulled off the street and asked four...
- A mathematical matrixMatrix (mathematics)In mathematics, a matrix is a rectangular array of numbers, symbols, or expressions. The individual items in a matrix are called its elements or entries. An example of a matrix with six elements isMatrices of the same size can be added or subtracted element by element...
of dataDataThe term data refers to qualitative or quantitative attributes of a variable or set of variables. Data are typically the results of measurements and can be the basis of graphs, images, or observations of a set of variables. Data are often viewed as the lowest level of abstraction from which...
whose rows represent different repetition of an experiment, and whose columns represent different kinds of datum taken for each repetition.