polychoric

词形变化

polychorics 复数 polychorics

释义与例句

n.
  1. 1.

    A polychoric correlation

adj.
  1. 1.

    Of or pertaining to the use of more than one chorus; that uses or is intended to use more than one chorus.

    音乐
  2. 1.

    Of or pertaining to the relationship between two latent variables, each assumed to have a normal distribution and associated with an ordinal variable.

    数学

    2007, Bruno D. Zumbo, 3: Validity: Foundation Issues and Statistical Methodology, C. R. Rao, S. Sinharay (editors), Handbook of Statistics, Volume 26: Psychometrics, page 66, Because the CES-D items are ordinal in nature (i.e., in our case a four-point response scale, and hence not continuous), a polychoric covariance matrix was used as input for the analyses.

词源

From pol-y + Ancient Greek χώρα (khṓra, “field”) + -ic.

来源：wiktionary