Definition

1. Noun:
   • Classification according to more than one attribute at the same time: A method of organizing or analyzing data by simultaneously considering two or more different categories or variables.

Usage

• Noun:
  • The term is used primarily in academic, statistical, and research contexts to describe a specific analytical technique.
  • It is often used with the preposition "of" (e.g., cross-classification of data).
  • It describes a table or matrix that displays the intersection of categories from two or more variables.

Examples

• Noun:
  • The researcher used cross-classification to analyze the survey results by both income level and educational attainment.
  • A cross-classification of the patient data by age and symptom severity revealed new patterns.
  • The report included a cross-classification table showing employment status by region and gender.

Advanced Usage

• "To perform a cross-classification": To carry out the process of classifying data by multiple variables.
  • We need to perform a cross-classification to understand the interaction between these two factors.
• Statistical Cross-Classification: In statistics, this often refers to a contingency table or crosstab, which summarizes the relationship between categorical variables.
  • The chi-squared test was applied to the statistical cross-classification.

Variants and Related Words

• Cross-classify (verb): To classify something according to multiple criteria simultaneously.
  • The data can be cross-classified in several ways.
• Cross-tabulation (noun): A synonym often used in statistics, referring specifically to the tabular presentation of cross-classified data.
  • The cross-tabulation of votes by age and party affiliation was insightful.

Synonyms

• Multivariate classification: Classification involving multiple variables.
• Contingency table analysis: The examination of data in a cross-classified table.
• Crosstab: A common abbreviation for cross-tabulation.

Related Phrases

• Cross-classification analysis: The process of studying data that has been organized by multiple attributes.
  • The cross-classification analysis provided a more nuanced understanding than a single-variable study.
• Cross-classified data: Data that has been organized according to a cross-classification scheme.
  • Working with cross-classified data requires specific statistical models.

Noun

1. classification according to more than one attribute at the same time
   • the cross-classification of cases was done by age and sex