---
title: "Rpubs by Jan"
author: "Jan de Leeuw"
date: "May 09, 2017"
output:
  html_document: default
  pdf_document: default
---
#mds project

* 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

# gifi project

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

# BRAS project

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

# auxilaries/miscellaneous

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