RockHard

Data from RockHard Magazine: In this German Heavy Metal Magazine around 50 records are rated by the writers
on a scale from (0 ... worst to 10 ... best) each month. The dataset contains all ratings from 2013. 


datasets

Provides the following approaches for multidimensional scaling (MDS) based on stress minimization by means of majorization (smacof): basic MDS on symmetric dissimilarity matrices,
MDS with external constraints on the configuration, individual difference scaling (idioscal, indscal, and friends), MDS with spherical restrictions, and unfolding. The MDS type can be ratio, interval, ordinal, and monotone splines.
Various tools and extensions like jackknife MDS, permutation tests, gravity models, inverse MDS, unidimensional scaling, classical scaling, and Procrustes.

Patrick Mair

smacof

Multidimensional Scaling

RockHard function

Data frame with raters in the colums, bands/albums in the rows.

RockHard: RockHard Ratings

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