polychoricadj.

Brit.

/ˌpɒlɪˈkɔːrɪk/,

/ˌpɒlɪˈkɒrɪk/, U.S.

/ˌpɑliˈkɔrɪk/

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek πολύχωρος , -ic suffix.

Etymology: < Hellenistic Greek πολύχωρος divided into many compartments (recorded in an inscription in this sense; recorded in Hellenistic Greek authors in sense ‘spacious, extensive’; < ancient Greek πολυ- poly- comb. form + χῶρος place: see chorography n.¹) + -ic suffix. Compare earlier tetrachoric adj.

Statistics.

Designating a table in which data are divided into three or more classes by each of two or more criteria; of or relating to such a table; esp. designating an estimate of the product-moment coefficient derived from such a table, and concepts used in obtaining such an estimate.

ΘΚΠ

the world > relative properties > number > probability or statistics > [adjective] > relating to grouping > spec statistical table

tetrachoric1910

polychoric1918

1918 Biometrika 12 93 (heading) The correlation co~efficient of a polychoric table.

1922 Biometrika 14 149 What we actually desire is to compare the observations and the regression lines as given by the present polychoric method with those obtained by product-moment methods.

1964 Psychometrika 29 386 The tetrachoric series method is generalized to produce a new polychoric estimate of ρ.

2001 Amer. Jrnl. Polit. Sci. 45 663/2 Polychoric correlations..are specifically designed to measure relationships among categorical variables.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polychoric
释义	polychoricadj. Brit. /ˌpɒlɪˈkɔːrɪk/, /ˌpɒlɪˈkɒrɪk/, U.S. /ˌpɑliˈkɔrɪk/ Origin: A borrowing from Greek, combined with an English element. Etymons: Greek πολύχωρος , -ic suffix. Etymology: < Hellenistic Greek πολύχωρος divided into many compartments (recorded in an inscription in this sense; recorded in Hellenistic Greek authors in sense ‘spacious, extensive’; < ancient Greek πολυ- poly- comb. form + χῶρος place: see chorography n.¹) + -ic suffix. Compare earlier tetrachoric adj. Statistics. Designating a table in which data are divided into three or more classes by each of two or more criteria; of or relating to such a table; esp. designating an estimate of the product-moment coefficient derived from such a table, and concepts used in obtaining such an estimate. ΘΚΠ the world > relative properties > number > probability or statistics > [adjective] > relating to grouping > spec statistical table tetrachoric1910 polychoric1918 1918 Biometrika 12 93 (heading) The correlation co~efficient of a polychoric table. 1922 Biometrika 14 149 What we actually desire is to compare the observations and the regression lines as given by the present polychoric method with those obtained by product-moment methods. 1964 Psychometrika 29 386 The tetrachoric series method is generalized to produce a new polychoric estimate of ρ. 2001 Amer. Jrnl. Polit. Sci. 45 663/2 Polychoric correlations..are specifically designed to measure relationships among categorical variables. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1918
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