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longCatEDA (version 0.31)

lunique:

Description

Function to find the unique number of factors in a matrix or data frame of categorical data. Used internally by longCat.

Usage

lunique(y)

Arguments

y
see y for longCat.

References

Tueller, S. J., Van Dorn, R. A., & Bobashev, G. V. (2016). Visualization of categorical longitudinal and times series data (Report No. MR-0033-1602). Research Triangle Park, NC: RTI Press. http://www.rti.org/publication/visualization-categorical-longitudinal-and-times-series-data