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Aalen model

Aalen model   Quick reference

A Dictionary of Statistics (3 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
56 words
Illustration(s):
1

A *linear regression model describing the manner in which the *expected value of a response variable, Z(...

absolute value

absolute value   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
41 words
Illustration(s):
1

For any real number the absolute value (also called the *modulus) of denoted by is itself if and ...

acceptance–rejection algorithm

acceptance–rejection algorithm   Quick reference

A Dictionary of Statistics (3 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
179 words
Illustration(s):
1

A method for generating values of a *continuous random variable for use in a *simulation. Suppose that the random variable ...

access vector

access vector   Quick reference

A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Science and technology, Mathematics and Computer Science
Length:
90 words
Illustration(s):
1

A vector that is used in the representation of a *ragged array. For example, the elements of a

adder

adder   Quick reference

A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Science and technology, Mathematics and Computer Science
Length:
202 words
Illustration(s):
1

In its simplest form, a digital electronic device that performs the operation of addition on two binary digits, the augend

addition

addition ((of complex numbers))   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
121 words
Illustration(s):
1

Let the complex numbers z 1 and z 2, where z 1=a+bi and z 2=...

addition

addition ((of vectors))   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
189 words
Illustration(s):
1

Given vectors a and b, let and be *directed line segments that represent a and b, with the same initial point ...

addition law for probabilities

addition law for probabilities   Quick reference

A Dictionary of Statistics (3 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
161 words
Illustration(s):
5

Law stating that if two events (see sample space) A and B are *mutually exclusive thenFor example, the ...

adjacency matrix

adjacency matrix   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
95 words
Illustration(s):
1

For a *simple graph G, with n vertices v 1, v 2,…, v n , the adjacency matrix A...

adjacent angles

adjacent angles   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
24 words
Illustration(s):
1

A pair of angles on a straight line formed by a line or half-line meeting it. Adjacent angles will add to 180°....

adjoint

adjoint   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
137 words
Illustration(s):
2

The adjoint of a square matrix A, denoted by adj A, is the transpose of the matrix of cofactors of ...

agglomerative clustering methods

agglomerative clustering methods   Quick reference

A Dictionary of Statistics (3 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
193 words
Illustration(s):
1
Methods for grouping *multivariate data into clusters (see cluster analysis). Suppose there are n data items. The agglomerative clustering methods start by regarding these as ... More
alternating renewal process

alternating renewal process   Quick reference

A Dictionary of Statistics (3 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
93 words
Illustration(s):
1

A *renewal process in which the process alternates between states A and B. Let the average length of a period in state ...

ambiguous case

ambiguous case   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
153 words
Illustration(s):
1
The case where two sides of a triangle are known, and an acute angle which is not the angle between the known sides. There can often be two possible triangles which satisfy all the given ... More
ambiguous grammar

ambiguous grammar   Quick reference

A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Science and technology, Mathematics and Computer Science
Length:
98 words
Illustration(s):
1

A *context-free grammar that derives the same word by different *derivation trees, or equivalently by different *

Anderson–Darling test

Anderson–Darling test   Quick reference

A Dictionary of Statistics (3 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
184 words
Illustration(s):
1

A general test, published in 1952, that compares the fit of the observed *cumulative distribution function with that expected. It was derived by ...

AND gate

AND gate   Quick reference

A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Science and technology, Mathematics and Computer Science
Length:
69 words
Illustration(s):
1

An electronic *logic gate whose output is logic 1 (true) only when all (two or more) inputs are logic

AND operation

AND operation   Quick reference

A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Science and technology, Mathematics and Computer Science
Length:
134 words
Illustration(s):
1

The logical *connective combining two statements, truth values, or formulas P and Q in such a way that the

Andrews plot

Andrews plot   Quick reference

A Dictionary of Statistics (3 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
164 words
Illustration(s):
2

A plot suggested in 1972 by the American David Andrews as an alternative method to *Chernoff faces for representing ...

angle

angle ((between lines in the plane))   Quick reference

The Concise Oxford Dictionary of Mathematics (5 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Mathematics and Computer Science
Length:
102 words
Illustration(s):
1

In coordinate geometry of the plane, the angle α between two lines with gradients m 1 and m 2 is given by ...

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