Design of Experiments (DoE) & Analysis of Experimental Data

This task view collects information on R packages for experimental design and analysis of data from experiments. With a strong increase in the number of relevant packages, packages that focus on analysis only and do not make relevant contributions for design creation are no longer added to this task view. Please feel free to suggest enhancements, and please send information on new packages or major package updates if you think they belong here. Contact details are given on my Web page.

Experimental design is applied in many areas, and methods have been tailored to the needs of various fields. This task view starts out with a section on the most general packages, continues with specific sections on agricultural and industrial experimentation, computer experiments, and experimentation in the clinical trials contexts, and closes with a section on various special experimental design packages that have been developed for other specific purposes. Of course, the division into fields is not always clear-cut, and some packages from the more specialized sections can also be applied in general contexts.
You may also notice that my own experience is mainly from industrial experimentation (in a broad sense), which may explain a somewhat biased view on things.

Experimental designs for agricultural and plant breeding experiments

Package agricolae is by far the most-used package from this task view (status: August 2016). It offers extensive functionality on experimental design especially for agricultural and plant breeding experiments, which can also be useful for other purposes. It supports planning of lattice designs, factorial designs, randomized complete block designs, completely randomized designs, (Graeco-)Latin square designs, balanced incomplete block designs and alpha designs. There are also various analysis facilities for experimental data, e.g. treatment comparison procedures and several non-parametric tests, but also some quite specialized possibilities for specific types of experiments. Package desplot is made for plotting the layout of agricultural experiments. Package agridat offers a large repository of useful agricultural data sets.

Experimental designs for general purposes

There are a few packages for creating and analyzing experimental designs for general purposes: First of all, the standard (generalized) linear model functions in the base package stats are of course very important for analyzing data from designed experiments (especially functions lm(), aov() and the methods and functions for the resulting linear model objects). These are concisely explained in Kuhnert and Venables (2005, p. 109 ff.); Vikneswaran (2005) points out specific usages for experimental design (using function contrasts(), multiple comparison functions and some convenience functions like model.tables(), replications() and plot.design()). Lawson (2014) is a good introductory textbook on experimental design in R, which gives many example applications. Lalanne (2012) provides an R companion to the well-known book by Montgomery (2005); he so far covers approximately the first ten chapters; he does not include R's design generation facilities, but mainly discusses the analysis of existing designs. Package GAD handles general balanced analysis of variance models with fixed and/or random effects and also nested effects (the latter can only be random); they quote Underwood 1997 for this work. The package is quite valuable, as many users have difficulties with using the R packages for handling random or mixed effects. Package granova offers some interesting non-standard graphical representations for results of simply-structured experiments (one-way and two-way layouts, paired data), package ez aims at supporting intuitive analysis and visualization of factorial experiments based on package "ggplot2".

  • Package AlgDesign creates full factorial designs with or without additional quantitative variables, creates mixture designs (i.e., designs where the levels of factors sum to 1=100%; lattice designs are created only) and creates D-, A-, or I-optimal designs exactly or approximately, possibly with blocking, using the Federov (1972) algorithm. Package OptimalDesign likewise calculates unblocked D-, A-, or I-optimal designs (they use "IV-optimal" instead of "I-optimal") exactly or approximately, treating quantitative variables only, including mixture designs; this package uses different algorithms (e.g. Atkinson, Donev and Tobias 2007, Harman and Filova 2014), some of which rely on the availability of the gurobi software (http://www.gurobi.com/, free for academics and academic institutions) and its accompanying R package "gurobi" (not on CRAN).
  • Package ICAOD implements the "Imperialist Competitive Algorithm for Optimal Designs" for nonlinear models according to Masoudi, Holling and Wong (2016). Package LDOD implements locally D-optimal designs for some nonlinear and generalized linear models, package designGLMM locally optimal designs for completely randomized or blocked Poisson models, and package PopED optimal designs for nonlinear mixed effect models.
  • There are various further packages that deal with optimal designs of different types: package oapackage allows to generate (not necessarily orthogonal) optimal fractional factorial 2-level designs with the possibility to prioritize main effects higher than interactions. Package rodd provides T-optimal designs, also called optimal discriminating designs (Dette, Melas and Shpilev 2013, Dette, Melas and Guchenko 2014), Package acebayes calculates optimal Bayesian designs using an approcimate coordinate exchange algorithm, package OBsMD provides "Objective Bayesian Model Discrimination in Follow-Up Designs" according to Consonni and Deldossi (2015). Further optimal design packages for very specific purposes are listed at the end of this view.
  • Package conf.design allows to create a design with certain interaction effects confounded with blocks (function conf.design()) and allows to combine existing designs in several ways (e.g., useful for Taguchi's inner and outer array designs in industrial experimentation).
  • Package planor allows to generate regular fractional factorial designs with fixed and mixed levels and quite flexible randomization structures. The packages flexibility comes at the price of a certain complexity and - for larger designs - high computing time.
  • Package ibd creates and analyses incomplete block designs. Packages PGM2, RPPairwiseDesign and CombinS all produce designs related to (resolvable) (partially) balanced incomplete block designs.
  • Package crossdes creates and analyses cross-over designs of various types (including latin squares, mutually orthogonal latin squares and Youden squares) that can for example be used in sensometrics. Package Crossover also provides crossover designs; it offers designs from the literature and algorithmic designs, makes use of the functionality in crossdes and in addition provides a GUI.
  • Package DoE.base provides full factorial designs with or without blocking (function fac.design) and orthogonal arrays (function oa.design) for main effects experiments (those listed by Kuhfeld 2009 up to 144 runs, plus a few additional ones). There is also some functionality for assessing the quality of orthogonal arrays, related to Groemping and Xu (2014), and some analysis functionality with half-normal effects plots in quite general form (Groemping 2015).
    Package DoE.base also forms the basis of a suite of related packages (cf. Groemping 2009). Together with FrF2 (cf. below) and DoE.wrapper, it provides the work horse of the GUI package RcmdrPlugin.DoE (beta version; tutorial available in Groemping 2011), which integrates design of experiments functionality into the R-Commander (package "Rcmdr", Fox 2005) for the benefit of those R users who cannot or do not want to do command line programming. The role of package DoE.wrapper in that suite is to wrap functionality from other packages into the input and output structure of the package suite (so far for response surface designs with package rsm (cf. also below), design of computer experiments with packages lhs and DiceDesign (cf. also below), and , and D-optimal designs with package AlgDesign (cf. also above).
  • Package dae provides various utility functions around experimental design and R factors, e.g. a randomization routine that can handle various nested structures (according to Bailey 1981) and functions for combining several factors into one or dividing one factor into several factors. Furthermore, the package provides features for post-processing objects returned by the aov() function, e.g. extraction of Yates effects for 2-level experiments.
  • Package daewr accompanies the book Design and Analysis of Experiments with R by Lawson (2014) and does not only provide data sets from the book but also some standalone functionality that is not available elsewhere in R, e.g. definitive screening designs.
  • Package OPDOE accompanies the book Optimal Experimental Design with R by Rasch et al. (2011). It has some interesting sample size estimation functionality, but is almost unusable without the book (the first edition of which I would not recommend buying).
  • Package blockTools assigns units to blocks in order to end up with homogeneous sets of blocks in case of too small block sizes; package blocksdesign permits the creation of nested block structures.
  • There are several packages for determining sample sizes in experimental contexts, some of them quite general, others very specialized. All of these are mentioned here: packages powerAnalysis, powerbydesign and easypower deal with estimating the power, sample size and/or effect size for factorial experiments. Package JMdesign deals with the power for the special situation of jointly modeling longitudinal and survival data, package PwrGSD with the power for group sequential designs, package powerGWASinteraction with the power for interactions in genome wide association studies, package ssizeRNA with sample size for RNA sequencing experiments, and package ssize.fdr for sample sizes in microarray experiments (requesting a certain power while limiting the false discovery rate).

Experimental designs for industrial experiments

Some further packages especially handle designs for industrial experiments that are often highly fractionated, intentionally confounded and have few extra degrees of freedom for error.

Fractional factorial 2-level designs are particularly important in industrial experimentation.

  • Package FrF2 (Groemping 2014) is the most comprehensive R package for their creation. It generates regular Fractional Factorial designs for factors with 2 levels as well as Plackett-Burman type screening designs. Regular fractional factorials default to maximum resolution minimum aberration designs and can be customized in various ways, supported by an incorporated catalogue of designs (including the designs catalogued by Chen, Sun and Wu 1993, and further larger designs catalogued in Block and Mee 2005 and Xu 2009; the additional package FrF2.catlg128 provides a very large complete catalogue for resolution IV 128 run designs with up to 23 factors for special purposes). Analysis-wise, FrF2 provides simple graphical analysis tools (normal and half-normal effects plots (modified from BsMD, cf. below), main effects plots and interaction plot matrices similar to those in Minitab software, and a cube plot for the combinations of three factors). It can also show the alias structure for regular fractional factorials of 2-level factors, regardless whether they have been created with the package or not.
    Fractional factorial 2-level plans can also be created by other R packages, namely BHH2 and qualityTools (but do not use function pbDesign from version 1.54 of that package!), or with a little bit more complication by packages conf.design, planor or AlgDesign. Package oapackage allows to generate (not necessarily orthogonal) optimal fractional factorial 2-level designs with the possibility to prioritize main effects higher than interactions. Package ALTopt provides optimal designs for accelerated life testing.
  • Package BHH2 accompanies the 2nd edition of the book by Box, Hunter and Hunter and provides various of its data sets. It can generate full and fractional factorial two-level-designs from a number of factors and a list of defining relations (function ffDesMatrix(), less comfortable than package FrF2). It also provides several functions for analyzing data from 2-level factorial experiments: The function anovaPlot assesses effect sizes relative to residuals, and the function lambdaPlot() assesses the effect of Box-Cox transformations on statistical significance of effects.
  • BsMD provides Bayesian charts as proposed by Box and Meyer (1986) as well as effects plots (normal, half-normal and Lenth) for assessing which effects are active in a fractional factorial experiment with 2-level factors; package OBsMD provides the functionality for follow- up experiments for resolving ambiguities after applying the Bayesian analysis of package BsMD.
  • Package pid accompanies an online book by Dunn (2010-2016) and also makes heavy use of the Box, Hunter and Hunter book; it provides various data sets, which are mostly from fractional factorial 2-level designs.

Apart from tools for planning and analysing factorial designs, R also offers support for response surface optimization for quantitative factors (cf. e.g. Myers and Montgomery 1995):

  • Package rsm supports sequential optimization with first order and second order response surface models (central composite or Box-Behnken designs), offering optimization approaches like steepest ascent and visualization of the response function for linear model objects. Also, coding for response surface investigations is facilitated.
  • Package DoE.wrapper enhances design creation from package rsm with the possibilities of automatically choosing the cube portion of central composite designs and of augmenting an existing (fractional) factorial 2-level design with a star portion.
  • Package OptimaRegion provides functionality for inspecting the optimal region of a response surface for quadratic polynomials and thin-plate spline models and can compute a confidence interval for the distance between two optima.
  • Package Vdgraph implements a variance dispersion graph (Vining 1993) for response surface designs created by package rsm. Packages VdgRsm and vdg provide similar functionality with more variety.
  • Package qualityTools can also create central composite designs and can visualize response surfaces.
  • Package EngrExpt provides a collection of data sets from the book Introductory Statistics for Engineering Experimentation by Nelson, Coffin and Copeland (2003).

In some industries, mixtures of ingredients are important; these require special designs, because the quantitative factors have a fixed total. Mixture designs are handled by packages AlgDesign (function gen.mixture, lattice designs), qualityTools (function mixDesign, lattice designs and simplex centroid designs), and mixexp (several small functions for simplex centroid, simplex lattice and extreme vertices designs as well as for plotting).

Occasionally, supersaturated designs can be useful. The two small packages mkssd and mxkssd provide fixed level and mixed level k-circulant supersaturated designs.

Experimental designs for computer experiments

Computer experiments with quantitative factors require special types of experimental designs: it is often possible to include many different levels of the factors, and replication will usually not be beneficial. Also, the experimental region is often too large to assume that a linear or quadratic model adequately represents the phenomenon under investigation. Consequently, it is desirable to fill the experimental space with points as well as possible (space-filling designs) in such a way that each run provides additional information even if some factors turn out to be irrelevant. The lhs package provides latin hypercube designs for this purpose. Furthermore, the package provides ways to analyse such computer experiments with emphasis on what follow-up experiments to conduct. Another package with similar orientation is the DiceDesign package, which adds further ways to construct space-filling designs and some measures to assess the quality of designs for computer experiments. The package DiceKriging provides the kriging methodology which is often used for creating meta models from computer experiments, the package DiceEval creates and evaluates meta models (among others Kriging ones), and the package DiceView provides facilities for viewing sections of multidimensional meta models.

Package MaxPro provides maximum projection designs as introduced by Joseph, Gul and Ba(2015). Package SLHD provides optimal sliced latin hypercube designs according to Ba et al. (2015) Package simrel allows creation of designs for computer experiments according to the Multi-level binary replacement (MBR) strategy by Martens et al. (2010). Package minimaxdesign provides minimax designs and minimax projection designs according to Mak and Joseph (2016).

Package tgp is another package dedicated to planning and analysing computer experiments. Here, emphasis is on Bayesian methods. The package can for example be used with various kinds of (surrogate) models for sequential optimization, e.g. with an expected improvement criterion for optimizing a noisy blackbox target function. Packages plgp and dynaTree enhance the functionality offered by tgp with particle learning facilities and learning for dynamic regression trees.

Package BatchExperiments is also designed for computer experiments, in this case specifically for experiments with algorithms to be run under different scenarios. The package is described in a technical report by Bischl et al. (2012).

Experimental designs for clinical trials

This task view only covers specific design of experiments packages; there may be some grey areas. Please, also consult the ClinicalTrials task view.

  • Package experiment contains tools for clinical experiments, e.g., a randomization tool, and it provides a few special analysis options for clinical trials.
  • Package ThreeArmedTrials provides design and analysis tools for three-armed superiority or non-inferiority trials. Beside the standard functionality, the package includes the negative Binomial response situation discussed in Muetze et al. (2016).
  • Package gsDesign implements group sequential designs, package GroupSeq gives a GUI for probability spending in such designs, package OptGS near-optimal balanced group sequential designs. Package gsbDesign evaluates operating characteristics for group sequential Bayesian designs. Package gset handles group sequential equivalence testing. Package seqDesign handles group sequential two-stage treatment efficacy trials with time-to-event endpoints.
  • Package asd implements adaptive sequential designs.
  • Package OptInterim is for two- and three-stage designs for longterm binary endpoints.
  • Packages bcrm and crmPack offer Bayesian CRM designs.
  • Package MAMS offers designs for multi-arm multi stage studies, BayesMAMS provides a Bayesian sample size calculations for these.
  • Package BOIN provides Bayesian optimal interval designs, which are used in phase I clinical trials for finding the maximum tolerated dose.
  • The DoseFinding package provides functions for the design and analysis of dose-finding experiments (for example pharmaceutical Phase II clinical trials); it combines the facilities of the "MCPMod" package (maintenance discontinued; described in Bornkamp, Pinheiro and Bretz 2009) with a special type of optimal designs for dose finding situations (MED-optimal designs, or D-optimal designs, or a mixture of both; cf., Dette et al. 2008).
  • Package VNM provides multi-objective optimal designs for simultaneously optimizing inference about the shape of the dose-response curve, ED50 and minimum effective dose (MED) for certain classes of logistic models.
  • Package TEQR provides toxicity equivalence range designs (Blanchard and Longmate 2010) for phase I clinical trials, package pipe.design so-called product of independent beta probabilities dose escalation (PIPE) designs for phase I. Package dfpk implements a Bayesian dose-finding design using pharmacokinetics for phase I trials. Package dfcrm provides designs for classical or TITE continual reassessment trials in phase I.
  • Packages dfcomb and dfmta provide phase I/II adaptive dose-finding designs for combination studies or single-agent molecularly targeted agent, respectively. Packages ph2bayes and ph2bye are concerned with Bayesian single arm phase II trials, and package binseqtest handles sequential single arm binary response trials.
  • Package sp23design claims to offer seamless integration of phase II to III.

Experimental designs for special purposes

Various further packages handle special situations in experimental design:

  • Package desirability provides ways to combine several target criteria into a desirability function in order to simplify multi-criteria analysis; desirabilities are also offered as part of package qualityTools.
  • osDesign designs studies nested in observational studies, designmatch can also be useful for this purpose.
  • qtlDesign is for quantitative trait locus designs,
  • toxtestD creates optimal designs for binary toxicity tests,
  • hiPOD provides optimal designs for pooled next generation sequencing experiments,
  • designGG creates optimal designs for genetical genomics experiments (see Li et al. 2009),
  • Package docopulae implements optimal designs for copula models according to Perrone and Mueller (2016),
  • optDesignSlopeInt provides an optimal design for the estimation of the ratio of slope to intercept, and
  • geospt allows to optimize spatial networks of sampling points (see e.g. Santacruz, Rubiano and Melo 2014).
  • Package SensoMineR contains special designs for sensometric studies, e.g., for the triangle test.
  • Package choiceDes creates choice designs with emphasis on discrete choice models and MaxDiff functionality; it is based on optimal designs. Package support.CEs provides tools for creating stated choice designs for market research investigations, based on orthogonal arrays.

Key references for packages in this task view

  • Atkinson, A.C. and Donev, A.N. (1992). Optimum Experimental Designs. Oxford: Clarendon Press.
  • Atkinson, A.C., Donev, A.N. and Tobias, R.D. (2007). Optimum Experimental Designs, with SAS. Oxford University Press, Oxford.
  • Ba,S., Brenneman, W.A. and Myers, W.R. (2015). Optimal Sliced Latin Hypercube Designs. Technometrics 57 479-487.
  • Bailey, R.A. (1981). A unified approach to design of experiments. Journal of the Royal Statistical Society, Series A 144 214-223.
  • Ball, R.D. (2005). Experimental Designs for Reliable Detection of Linkage Disequilibrium in Unstructured Random Population Association Studies. Genetics 170 859-873.
  • Bischl, B., Lang, M., Mersmann, O., Rahnenfuehrer, J. and Weihs, C. (2012). Computing on high performance clusters with R: Packages BatchJobs and BatchExperiments. Technical Report 1/2012, TU Dortmund, Germany.
  • Blanchard, M.S. and Longmate, J.A. (2010). Toxicity equivalence range design (TEQR): A practical Phase I design. Contemporary Clinical Trials doi:10.1016/j.cct.2010.09.011.
  • Block, R. and Mee, R. (2005). Resolution IV Designs with 128 Runs. Journal of Quality Technology 37 282-293.
  • Bornkamp B., Pinheiro J. C., and Bretz, F. (2009). MCPMod: An R Package for the Design and Analysis of Dose-Finding Studies. Journal of Statistical Software 29(7) 1-23.
  • Box G. E. P, Hunter, W. C. and Hunter, J. S. (2005). Statistics for Experimenters (2nd edition). New York: Wiley.
  • Box, G. E. P and R. D. Meyer (1986). An Analysis for Unreplicated Fractional Factorials. Technometrics 28 11-18.
  • Box, G. E. P and R. D. Meyer (1993). Finding the Active Factors in Fractionated Screening Experiments. Journal of Quality Technology 25 94-105.
  • Chasalow, S., Brand, R. (1995). Generation of Simplex Lattice Points. Journal of the Royal Statistical Society, Series C 44 534-545.
  • Chen, J., Sun, D.X. and Wu, C.F.J. (1993). A catalogue of 2-level and 3-level orthogonal arrays. International Statistical Review 61 131-145.
  • Consonni, G. and Deldossi, L. (2015), "Objective Bayesian model discrimination in follow-up experimental designs" DOI 10.1007/s11749-015-0461-3. TEST.
  • Collings, B. J. (1989). Quick Confounding. Technometrics 31 107-110.
  • Cornell, J. (2002). Experiments with Mixtures. Third Edition. Wiley.
  • Daniel, C. (1959). Use of Half Normal Plots in Interpreting Two Level Experiments. Technometrics 1 311-340.
  • Derringer, G. and Suich, R. (1980). Simultaneous Optimization of Several Response Variables. Journal of Quality Technology 12 214-219.
  • Dette, H., Bretz, F., Pepelyshev, A. and Pinheiro, J. C. (2008). Optimal Designs for Dose Finding Studies. Journal of the American Statisical Association 103 1225-1237.
  • Dette, H., Melas, V.B. and Shpilev, P. (2013). Robust T-optimal discriminating designs. The Annals of Statistics 41 1693-1715.
  • Dette H., Melas V.B. and Guchenko R. (2014). Bayesian T-optimal discriminating designs. ArXiv link.
  • Dunn, K. (2010-2016). Process Improvement Using Data. Online book.
  • Federov, V.V. (1972). Theory of Optimal Experiments. Academic Press, New York.
  • Fox, J. (2005). The R Commander: A Basic-Statistics Graphical User Interface to R. Journal of Statistical Software 14(9) 1-42.
  • Gramacy, R.B. (2007). tgp: An R Package for Bayesian Nonstationary, Semiparametric Nonlinear Regression and Design by Treed Gaussian Process Models. Journal of Statistical Software 19(9) 1-46.
  • Groemping, U. (2009). Design of Experiments in R. Presentation at UseR! 2009 in Rennes, France.
  • Groemping, U. (2011). Tutorial for designing experiments using the R package RcmdrPlugin.DoE. Reports in Mathematics, Physics and Chemistry, Department II, Beuth University of Applied Sciences Berlin.
  • Groemping, U. (2014). R Package FrF2 for Creating and Analysing Fractional Factorial 2-Level Designs. Journal of Statistical Software 56(1) 1-56.
  • Groemping, U. and Xu, H. (2014). Generalized resolution for orthogonal arrays. The Annals of Statistics 42 918-939.
  • Groemping, U. (2015). Augmented Half Normal Effects Plots in the Presence of a Few Error Degrees of Freedom. Quality and Reliability Engineering International online early DOI: 10.1002/qre.1842.
  • Harman R., Filova L. (2014). Computing efficient exact designs of experiments using integer quadratic programming, Computational Statistics and Data Analysis, 71, 1159-1167
  • Hoaglin D., Mosteller F. and Tukey J. (eds., 1991). Fundamentals of Exploratory Analysis of Variance. Wiley, New York.
  • Jones, B. and Kenward, M.G. (1989). Design and Analysis of Cross-Over Trials. Chapman and Hall, London.
  • Johnson, M.E., Moore L.M. and Ylvisaker D. (1990). Minimax and maximin distance designs. Journal of Statistical Planning and Inference 26 131-148.
  • Joseph, V. R., Gul, E., and Ba, S. (2015). Maximum Projection Designs for Computer Experiments. Biometrika 102 371-380.
  • Kuhfeld, W. (2009). Orthogonal arrays. Website courtesy of SAS Institute Inc., accessed August 4th 2010. URL http://support.sas.com/techsup/technote/ts723.html.
  • Kuhnert, P. and Venables, B. (2005) An Introduction to R: Software for Statistical Modelling & Computing. URL http://CRAN.R-project.org/doc/contrib/Kuhnert+Venables-R_Course_Notes.zip. (PDF document (about 360 pages) of lecture notes in combination with the data sets and R scripts)
  • Kunert, J. (1998). Sensory Experiments as Crossover Studies. Food Quality and Preference 9 243-253.
  • Lalanne, C. (2012). R Companion to Montgomerys Design and Analysis of Experiments. Manuscript, downloadable at URL http://www.aliquote.org/articles/tech/dae/dae.pdf. (The file accompanies the book by Montgomery 2005 (cf. below).)
  • Lawson, J. (2014). Design and Analysis of Experiments with R. Chapman and Hall/CRC, Boca Raton.
  • Lenth, R.V. (1989). Quick and Easy Analysis of Unreplicated Factorials. Technometrics 31 469-473.
  • Lenth, R.V. (2009). Response-Surface Methods in R, Using rsm. Journal of Statistical Software 32(7) 1-17.
  • Y. Li, M. Swertz, G. Vera, J. Fu, R. Breitling, and R.C. Jansen. designGG: An R-package and Web tool for the optimal design of genetical genomics experiments. BMC Bioinformatics 10:188
  • Mak, S., and Joseph, V.R. (2016). Minimax designs using clustering. Journal of Computational and Graphical Statistics. In revision.
  • Martens, H., Mage, I., Tondel, K., Isaeva, J., Hoy, M. and Saebo, S. (2010). Multi-level binary replacement (MBR) design for computer experiments in high-dimensional nonlinear systems, J. Chemom. 24 748-756.
  • Masoudi, E., Holling, H. and Wong, W.-K. (2016). Application of imperialist competitive algorithm to find minimax and standardized maximin optimal designs. Computational Statistics and Data Analysis, in press. DOI: 10.1016/j.csda.2016.06.014
  • Mee, R. (2009). A Comprehensive Guide to Factorial Two-Level Experimentation. Springer, New York.
  • Montgomery, D. C. (2005, 6th ed.). Design and Analysis of Experiments. Wiley, New York.
  • Muetze,T., Munk, A. and Friede, T. (2016). Design and analysis of three-arm trials with negative binomially distributed endpoints. Statistics in Medicine 35(4) 505-521.
  • Myers, R. H. and Montgomery, D. C. (1995). Response Surface Methodology: Process and Product Optimization Using Designed Experiments. Wiley, New York.
  • Nelson, P.R., Coffin, M. and Copeland, K.A.F. (2003). Introductory Statistics for Engineering Experimentation.Academic Press, San Diego.
  • Perrone, E. and Mueller, W.G. (2016) Optimal designs for copula models, Statistics 50(4), 917-929. DOI: 10.1080/02331888.2015.1111892
  • Plackett, R.L. and Burman, J.P. (1946). The design of optimum multifactorial experiments. Biometrika 33 305-325.
  • Rasch, D., Pilz, J., Verdooren, L.R. and Gebhardt, A. (2011). Optimal Experimental Design with R. Chapman and Hall/CRC. (caution, does not live up to its title!)
  • Rosenbaum, P. (1989). Exploratory Plots for Paired Data. The American Statistician 43 108-109.
  • Sacks, J., Welch, W.J., Mitchell, T.J. and Wynn, H.P. (1989). Design and analysis of computer experiments. Statistical Science 4 409-435.
  • Santacruz, A., Rubiano, Y., Melo, C., 2014. Evolutionary optimization of spatial sampling networks designed for the monitoring of soil carbon. In: Hartemink, A., McSweeney, K. (Eds.). Soil Carbon. Series: Progress in Soil Science. (pp. 77-84). Springer, New York.
  • Santner T.J., Williams B.J. and Notz W.I. (2003). The Design and Analysis of Computer Experiments. Springer, New York.
  • Sen S, Satagopan JM and Churchill GA (2005). Quantitative Trait Locus Study Design from an Information Perspective. Genetics 170 447-464.
  • Stein, M. (1987). Large Sample Properties of Simulations Using Latin Hypercube Sampling. Technometrics 29 143-151.
  • Stocki, R. (2005). A Method to Improve Design Reliability Using Optimal Latin Hypercube Sampling. Computer Assisted Mechanics and Engineering Sciences 12 87-105.
  • Underwood, A.J. (1997). Experiments in Ecology: Their Logical Design and Interpretation Using Analysis of Variance. Cambridge University Press, Cambridge.
  • Vikneswaran (2005). An R companion to "Experimental Design". URL http://CRAN.R-project.org/doc/contrib/Vikneswaran-ED_companion.pdf. (The file accompanies the book "Experimental Design with Applications in Management, Engineering and the Sciences" by Berger and Maurer, 2002.)
  • Vining, G. (1993). A Computer Program for Generating Variance Dispersion Graphs. Journal of Quality Technology 25 45-58. Corrigendum in the same volume, pp. 333-335.
  • Xu, H. (2009). Algorithmic Construction of Efficient Fractional Factorial Designs With Large Run Sizes. Technometrics 51 262-277.

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Ulrike Groemping