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Risk Management Library (including copulas)
Author: Thierry Roncalli
Date: various
Abstract: The library and the programs used to illustrate the "La gestion des Risques Financiers". 250 Programs : Basel II and Cooke Ratio (Market risk / Credit Risk / Operational Risk) Multiple risks management (Copula functions / Multiple risks agregation) Credit risk management (Credit derivatives / PD / LGD / Default Correlations / CPM / RAROC)
Archived 20050630: library (zipped)
Note: see also http://gro.creditlyonnais.fr/content/rd/home_copulas.htm
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DISTRIB (Library for Statistical Distributions)
Author: Schlittgen
Date: 200111..
Abstract: Library for Statistical Distributions
Note: see documentation.
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Stable random number generator subroutine rndKMsta for GAUSS 3.6+ is based on the GAUSS 3.6+ "Kiss Monster" rndKMu random number generator. (McCulloch May01)
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Extreme Value Theory and Estimation (Roncalli Feb01)
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Uunstandardized, truncated normal distributions & random numbers (King 97)
(check for update)
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Laplace-Distributed Random Numbers using the inverse-cdf technique (Loretan Aug99)
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General PDFs
Author: David Baird
Date: 199908..
Abstract: Probability Distributions and related functions: Normal, Students T, Chi square, F, Poisson, Binomial, Negative Binomial, Gamma, Beta amd Multinomial.
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Cauchy generator
Author: David Baird
Date: 19960712
Abstract: Create normalized cauchy distributed random variables
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Derivatives of Loggamma
Author: Paul Fackler
Date: 199805..
Abstract: Calculates the first four derivatives of the loggamma function.
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integrate the multivariate normal density
Author: Geert Molenberghs
Date: 199004..
Abstract: GAUSS-version of the algorithm by M. Shervish
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complementary error function
Author: Allen Wilkinson
Date: 199508..
Abstract: lower fractional error (everywhere less than 1.2e-7) "based on Chebyshev fitting to an inspired guess as to the functional form".
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Bivariate Normal (van der Ende, Jun96 )
calculates cdfbvn with increased accuracy (with more approximating
coeffcients).
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Symmetric Stable PDF (McCulloch 95)
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Gamma Distributed Random Numbers
by Ronald Schoenberg (Jul95)
is a transcription of a Fortran program, appearing in
Principles of
Random Variate Generation by John Dagpunar, for
generating gamma distributed random variables.
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Gamma-Distributed Random Numbers
(Mittelhammer Dec92; Heckelei Jun93)
generaties gamma-distributed random numbers
using various methods depending on the value of the alpha parameter.
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ANURAG.SRC by Anurag Banerjee (Apr97)
inludes two procedures: IMHOF1(A,B,x) computes the distribution
function P(u'Au/u'Bu < x) where u dist as N(0,I) and A sym matrix and B is a
psd matrix; IMHOFINV(A,B,X1,PROB) computes the inverse.
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Stable Random Number Generators (McCulloch, Aug96).
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Inverse Normal Distribution (Suzuki, May95)
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Inverse CDFN (Mackin Nov96; Inkmann Nov96)
computes the inverse function of CDFN using the approximation
method based on Abramowitz and Stegun (1970).
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Loggamma Function And Its Derivatives (Fackler, Aug95)
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Integrate Multivariate Normal (Molenberghs Sep96)
implements the Shervish algorithm to integrate the multivariate normal density.
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Risk Neutral Density Estimation Cameroon Rookley