Response Surface Analysis

Advanced response surface analysis. The main function RSA computes and compares several nested polynomial regression models (full second- or third-order polynomial, shifted and rotated squared difference model, rising ridge surfaces, basic squared difference model, asymmetric or level-dependent congruence effect models). The package provides plotting functions for 3d wireframe surfaces, interactive 3d plots, and contour plots. Calculates many surface parameters (a1 to a5, principal axes, stationary point, eigenvalues) and provides standard, robust, or bootstrapped standard errors and confidence intervals for them.


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install.packages("RSA")

0.10.4 by Felix Schönbrodt, 6 months ago


Browse source code at https://github.com/cran/RSA


Authors: Felix Schönbrodt [cre, aut] , Sarah Humberg [aut]


Documentation:   PDF Manual  


GPL (>= 2) license


Imports plyr, RColorBrewer, aplpack, methods

Depends on lavaan, ggplot2, lattice

Suggests fields, rgl, qgraph, tcltk, tkrplot, testthat, covr


See at CRAN