„An innovative discussion of building empirical models and the fitting of surfaces to data. Introduces the general philosophy of response surface methodology, and details least squares for response surface work, factorial designs at two levels, fitting second-order models, adequacy of estimation and the use of transformation, occurrence and elucidation of ridge systems, and more. Some results are presented for the first time. Includes real-life exercises, nearly all with solutions.“

—  George Box

Introduction, book summary
Empirical Model-Building and Response Surfaces (1987)

Übernommen aus Wikiquote. Letzte Aktualisierung 3. Juni 2021. Geschichte
George Box Foto
George Box
britischer Statistiker 1919 - 2013

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Michael Crichton Foto
Anthony Watts Foto

„One advantage of exhibiting a hierarchy of systems in this way is that it gives us some idea of the present gaps in both theoretical and empirical knowledge. Adequate theoretical models extend up to about the fourth level, and not much beyond. Empirical knowledge is deficient at practically all levels.“

—  Kenneth E. Boulding British-American economist 1910 - 1993

Quelle: 1950s, General Systems Theory - The Skeleton of Science, 1956, p. 201, quoted in: John P. Cole, Cuchlaine A. M. King (1969) Quantitative geography: techniques and theories in geography. p. 575

Bertrand Russell Foto

„First of all: what is work? Work is of two kinds: first, altering the position of matter at or near the earth's surface relatively to other such matter; second, telling other people to do so. The first kind is unpleasant and ill paid; the second is pleasant and highly paid.“

—  Bertrand Russell logician, one of the first analytic philosophers and political activist 1872 - 1970

Quelle: 1930s, In Praise of Idleness and Other Essays (1935), Ch. 1: In Praise of Idleness

A. Wayne Wymore Foto

„[The process of system design is]… consisting of the development of a sequence of mathematical models of systems, each one more detailed than the last.“

—  A. Wayne Wymore American mathematician 1927 - 2011

A. Wayne Wymore (1970) Systems Engineering Methodology. Department of Systems Engineering, The University of Arizona, p. 14/2; As cited in: J.C. Heckman (1973) Locating traveler support facilities along the interstate system--a simulation using general systems theory. p. 43.

Peace Pilgrim Foto
David Bohm Foto

„The universe according to Bohm actually has two faces, or more precisely, two orders. One is the explicate order, corresponding to the physical world as we know it in day-to-day reality, the other a deeper, more fundamental order which Bohm calls the implicate order. The implicate order is the vast holomovement. We see only the surface of this movement as it presents or "explicates" itself from moment to moment in time and space. What we see in the world — the explicate order — is no more than the surface of the implicate order as it unfolds.“

—  David Bohm American theoretical physicist 1917 - 1992

Synchronicity: Science, Myth, and The Trickster (1990) by Allan Combs & Mark Holland
Kontext: The universe according to Bohm actually has two faces, or more precisely, two orders. One is the explicate order, corresponding to the physical world as we know it in day-to-day reality, the other a deeper, more fundamental order which Bohm calls the implicate order. The implicate order is the vast holomovement. We see only the surface of this movement as it presents or "explicates" itself from moment to moment in time and space. What we see in the world — the explicate order — is no more than the surface of the implicate order as it unfolds. Time and space are themselves the modes or forms of the unfolding process. They are like the screen on the video game. The displays on the screen may seem to interact directly with each other but, in fact, their interaction merely reflects what the game computer is doing. The rules which govern the operation of the computer are, of course, different from those that govern the behavior of the figures displayed on the screen. Moreover, like the implicate order of Bohm's model, the computer might be capable of many operations that in no way apparent upon examination of the game itself as it progresses on the screen.

August-Wilhelm Scheer Foto
Camille Pissarro Foto

„Each one of us [artists] has several facets. The surface often appears more important than what is inside, hence the errors of those who judge carelessly. How many times has that not happened to me! The surface is often complete in some people from the very beginning, but not the possession of their own sensations. From this come errors. Some natures achieve the surface very slowly j this is the least danger an artist runs. So one should not think of the surface or the appearance, but concentrate on what is inner!“

—  Camille Pissarro French painter 1830 - 1903

Quote of Camille Pissarro, Eragny, 17 November 1890, in a letter to his son Lucien; from Camille Pissarro - Letters to His Son Lucien ed. John Rewald, with assistance of Lucien Pissarro; from the unpublished French letters; transl. Lionel Abel; Pantheon Books Inc. New York, second edition, 1943, pp. 139-140
1890's

Hans Reichenbach Foto

„The surfaces of three-dimensional space are distinguished from each other not only by their curvature but also by certain more general properties. A spherical surface, for instance, differs from a plane not only by its roundness but also by its finiteness. Finiteness is a holistic property. The sphere as a whole has a character different from that of a plane. A spherical surface made from rubber, such as a balloon, can be twisted so that its geometry changes…. but it cannot be distorted in such a way as that it will cover a plane. All surfaces obtained by distortion of the rubber sphere possess the same holistic properties; they are closed and finite. The plane as a whole has the property of being open; its straight lines are not closed. This feature is mathematically expressed as follows. Every surface can be mapped upon another one by the coordination of each point of one surface to a point of the other surface, as illustrated by the projection of a shadow picture by light rays. For surfaces with the same holistic properties it is possible to carry through this transformation uniquely and continuously in all points. Uniquely means: one and only one point of one surface corresponds to a given point of the other surface, and vice versa. Continuously means: neighborhood relations in infinitesimal domains are preserved; no tearing of the surface or shifting of relative positions of points occur at any place. For surfaces with different holistic properties, such a transformation can be carried through locally, but there is no single transformation for the whole surface.“

—  Hans Reichenbach American philosopher 1891 - 1953

The Philosophy of Space and Time (1928, tr. 1957)

Grady Booch Foto

„Model Driven Architecture is a style of enterprise application development and integration, based on using automated tools to build system independent models and transform them into efficient implementations.“

—  Grady Booch American software engineer 1955

Attributed to Grady Booch in: Tarek M. Sobh (2008) Advances in Computer and Information Sciences and Engineering. p. 457

„A conceptual level view of an object design describes the key abstractions. While someone might think of key abstractions as being nothing more or nothing less than high-level descriptions of "candidate classes", I prefer to consider a conceptual design from a slightly different angle--I'm thinking about design at a slightly different level.
An object-oriented application is a set of interacting objects. Each object is an implementation of one or more roles. A role supports a set of related (cohesive) responsibilities. A responsibility is an obligation to perform a task or know certain information. And objects don't work in isolation, they collaborate with others in a community to perform the overall responsibilities of the application. So a conceptual view, at least to start, is a distillation of the key object roles and their responsibilities (stated at a fairly high level). More than likely (unless you form classification hierarchies and use inheritance and composition techniques) many candidates you initially model will map directly to a single class in some inheritance hierarchy. But I like to open up possibilities by think first of roles and responsibilities, and then as a second step towards a specification-level view, mapping these candidates to classes and interfaces.“

—  Rebecca Wirfs-Brock American software engineer 1953

Rebecca Wirfs-Brock (2003) in " An Interview with Rebecca Wirfs-Brock Author of Object Design http://www.objectsbydesign.com/books/RebeccaWirfs-Brock.html" 2003-2005 Objects by Design, Inc: Answer to the question Can you clarify what you consider to be the essential elements of a "conceptual view".

„This use of building blocks to generate internal models is a pervasive feature of complex adaptive systems.“

—  John H. Holland US university professor 1929 - 2015

Quelle: Hidden Order - How Adaptation Builds Complexity (1995), Ch 1. Basic Elements, p. 37

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