SSRA: Sakai Sequential Relation Analysis

Takeya Semantic Structure Analysis (TSSA) and Sakai Sequential Relation Analysis (SSRA) for polytomous items for examining whether each pair of items has a sequential or equal relation. Package includes functions for generating a sequential relation table and a treegram to visualize sequential or equal relations between pairs of items.

Install the latest version of this package by entering the following in R:
AuthorTakuya Yanagida [cre, aut], Keiko Sakai [aut]
Date of publication2016-08-22 10:00:17
MaintainerTakuya Yanagida <>

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