JAR Analysis using SensoMineR Package

General
1

Hello there,

I have tried using R for Just-About-Right analysis with the default data provided, but I have difficulty replacing the data with the data I have.

My data contain 6 columns (Panelists, Liking Score, Coffee Aroma, Coffee Taste, Sweetness, and Sourness) with 50 rows (panelist).
When I use my data as a data frame and following the syntax:

res.jar <- JAR("file name", col.p=6, col.j=1, col.pref=2)

The result is:
Error in relevel .default(x[, i], jarlevel):
'relevel' only for (unorder) factors

Anyone can help me? I'm new to R.
Thank you.

2

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