Minimizing rStress using Majorization http://rpubs.com/deleeuw/142619
Differentiability of rStress at a Local Minimum http://rpubs.com/deleeuw/143341
Second Derivatives of rStress, with Applications http://rpubs.com/deleeuw/143844
Full-dimensional Scaling http://rpubs.com/deleeuw/146548
Inverse Multidimensional Scaling http://rpubs.com/deleeuw/148292
Singularities and Zero Distances in Multidimensional Scaling http://rpubs.com/deleeuw/153221
Minimizing qStress for small q http://rpubs.com/deleeuw/160351
Pictures of Stress http://rpubs.com/deleeuw/192385
Gower Rank http://rpubs.com/deleeuw/187962
An Alternating Least Squares Approach to Squared Distance Scaling http://rpubs.com/deleeuw/223506
Convergence Rate of ELEGANT Algorithms http://rpubs.com/deleeuw/227793
Multidimensional Scaling with Anarchic Distances http://rpubs.com/deleeuw/238109
Multidimensional Scaling with Upper Bounds http://rpubs.com/deleeuw/239882
Multidimensional Scaling with Lower Bounds http://rpubs.com/deleeuw/241619
Multidimensional Scaling with Distance Bounds http://rpubs.com/deleeuw/242254
Shepard Non-metric Multidimensional Scaling http://rpubs.com/deleeuw/243040
These Rpubs anticipate updates of the CRAN aspect and homals packages.
Aspect of Correlation Matrices http://rpubs.com/deleeuw/83572
Homogeneity Analysis http://rpubs.com/deleeuw/87298
Multiset Canonical Correlation Analysis http://rpubs.com/deleeuw/126462
Croissants and Wedges in Multiple Correspondence Analysis http://rpubs.com/deleeuw/133786
Factor Analysis as Matrix Decomposition and Approximation: I http://rpubs.com/deleeuw/273692
These Rpubs are about general optimization techniques
Block Relaxation as Majorization http://rpubs.com/deleeuw/221060
Zangwill/Ostrowski Descent Algorithms http://rpubs.com/deleeuw/223532
Derivatives of Low Rank PSD Approximation http://rpubs.com/deleeuw/229752
Majorizing Cubics on Intervals http://rpubs.com/deleeuw/234646
Discrete Minimax by Quadratic Majorization http://rpubs.com/deleeuw/234837
Least Squares Solutions of Linear Inequality Systems http://rpubs.com/deleeuw/237729
Quadratic Programming with Quadratic Constraints http://rpubs.com/deleeuw/239135
Infeasible Primal-Dual Quadratic Programming with Box Constraints http://rpubs.com/deleeuw/274616
These Rpubs describe .C() and .Fortran() interfaces to compiled C and Fortran routines useful in the gifi and smacof projects.
Regression with Linear Inequality Restrictions on Predicted Values http://rpubs.com/deleeuw/78897
Exceedingly Simple B-spline Code http://rpubs.com/deleeuw/79161
Exceedingy Simple Gram-Schmidt Code http://rpubs.com/deleeuw/84866
Exceedingly Simple Isotone Regression with Ties http://rpubs.com/deleeuw/144316
Exceedingly Simple Permutations and Combinations http://rpubs.com/deleeuw/155024
In Praise of QR http://rpubs.com/deleeuw/156981
APL in R http://rpubs.com/deleeuw/158476
Exceedingly Simple Principal Pivot Transforms http://rpubs.com/deleeuw/166869
Exceedingly Simple Sorting with Indices http://rpubs.com/deleeuw/261074
Exceedingly Simple Monotone Regression http://rpubs.com/deleeuw/262795
Exceedingly Simple Monotone Regression (with Ties) http://rpubs.com/deleeuw/264597
Computing and Fitting Monotone Splines http://rpubs.com/deleeuw/268327