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Fisher forecasts are a common tool in cosmology with applications ranging from survey planning to the development of new cosmological probes. While frequently adopted, they are subject to numerical instabilities that need to be carefully…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-15 Naren Bhandari , C. Danielle Leonard , Markus Michael Rau , Rachel Mandelbaum

The Fisher information matrix is used widely in astronomy (and presumably other fields) to forecast the precision of future experiments while they are still in the design phase. Although many sources describe the mathematics of the…

Instrumentation and Methods for Astrophysics · Physics 2025-10-14 David Wittman

The Fisher information matrix is a quantity of fundamental importance for information geometry and asymptotic statistics. In practice, it is widely used to quickly estimate the expected information available in a data set and guide…

Methodology · Statistics 2023-06-06 William R. Coulton , Benjamin D. Wandelt

The Fisher Matrix is the backbone of modern cosmological forecasting. We describe the Fisher4Cast software: a general-purpose, easy-to-use, Fisher Matrix framework. It is open source, rigorously designed and tested and includes a Graphical…

Cosmology and Nongalactic Astrophysics · Physics 2012-03-29 Bruce A. Bassett , Yabebal Fantaye , Renée Hlozek , Jacques Kotze

Fisher matrices play an important role in experimental design and in data analysis. Their primary role is to make predictions for the inference of model parameters - both their errors and covariances. In this short review, I outline a…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-24 Alan Heavens

The planning and design of future experiments rely heavily on forecasting to assess the potential scientific value provided by a hypothetical set of measurements. The Fisher information matrix, due to its convenient properties and low…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-10 Joseph Ryan , Brandon Stevenson , Cynthia Trendafilova , Joel Meyers

Theoretical studies in gravitational wave astronomy often require the calculation of Fisher Information Matrices and Likelihood functions, which in a direct approach entail the costly step of computing gravitational waveforms. Here I…

General Relativity and Quantum Cosmology · Physics 2013-02-07 Neil J. Cornish

The Fisher Information Matrix formalism is extended to cases where the data is divided into two parts (X,Y), where the expectation value of Y depends on X according to some theoretical model, and X and Y both have errors with arbitrary…

Cosmology and Nongalactic Astrophysics · Physics 2015-02-20 A. F. Heavens , M. Seikel , B. D. Nord , M. Aich , Y. Bouffanais , B. A. Bassett , M. P. Hobson

The Fisher matrix formalism has in recent times become the standard method for predicting the precision with which various cosmological parameters can be extracted from future data. This approach is fast, and generally returns accurate…

The Fisher information matrix summarizes the amount of information in a set of data relative to the quantities of interest. There are many applications of the information matrix in statistical modeling, system identification and parameter…

Computation · Statistics 2014-05-08 Xumeng Cao

The Fisher-matrix formalism is used routinely in the literature on gravitational-wave detection to characterize the parameter-estimation performance of gravitational-wave measurements, given parametrized models of the waveforms, and…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Michele Vallisneri

Fisher-matrix methods are widely used to predict how accurately parameters can be estimated. Being computationally efficient, this approach is prompted by the large number of signals simulated in forecast studies for future…

General Relativity and Quantum Cosmology · Physics 2026-04-14 Ulyana Dupletsa , Jan Harms , Ken K. Y. Ng , Jacopo Tissino , Filippo Santoliquido , Andrea Cozzumbo

The Euclid space telescope will measure the shapes and redshifts of galaxies to reconstruct the expansion history of the Universe and the growth of cosmic structures. Estimation of the expected performance of the experiment, in terms of…

Cosmology and Nongalactic Astrophysics · Physics 2020-11-26 Euclid Collaboration , A. Blanchard , S. Camera , C. Carbone , V. F. Cardone , S. Casas , S. Clesse , S. Ilić , M. Kilbinger , T. Kitching , M. Kunz , F. Lacasa , E. Linder , E. Majerotto , K. Markovič , M. Martinelli , V. Pettorino , A. Pourtsidou , Z. Sakr , A. G. Sánchez , D. Sapone , I. Tutusaus , S. Yahia-Cherif , V. Yankelevich , S. Andreon , H. Aussel , A. Balaguera-Antolínez , M. Baldi , S. Bardelli , R. Bender , A. Biviano , D. Bonino , A. Boucaud , E. Bozzo , E. Branchini , S. Brau-Nogue , M. Brescia , J. Brinchmann , C. Burigana , R. Cabanac , V. Capobianco , A. Cappi , J. Carretero , C. S. Carvalho , R. Casas , F. J. Castander , M. Castellano , S. Cavuoti , A. Cimatti , R. Cledassou , C. Colodro-Conde , G. Congedo , C. J. Conselice , L. Conversi , Y. Copin , L. Corcione , J. Coupon , H. M. Courtois , M. Cropper , A. Da Silva , S. de la Torre , D. Di Ferdinando , F. Dubath , F. Ducret , C. A. J. Duncan , X. Dupac , S. Dusini , G. Fabbian , M. Fabricius , S. Farrens , P. Fosalba , S. Fotopoulou , N. Fourmanoit , M. Frailis , E. Franceschi , P. Franzetti , M. Fumana , S. Galeotta , W. Gillard , B. Gillis , C. Giocoli , P. Gómez-Alvarez , J. Graciá-Carpio , F. Grupp , L. Guzzo , H. Hoekstra , F. Hormuth , H. Israel , K. Jahnke , E. Keihanen , S. Kermiche , C. C. Kirkpatrick , R. Kohley , B. Kubik , H. Kurki-Suonio , S. Ligori , P. B. Lilje , I. Lloro , D. Maino , E. Maiorano , O. Marggraf , N. Martinet , F. Marulli , R. Massey , E. Medinaceli , S. Mei , Y. Mellier , B. Metcalf , J. J. Metge , G. Meylan , M. Moresco , L. Moscardini , E. Munari , R. C. Nichol , S. Niemi , A. A. Nucita , C. Padilla , S. Paltani , F. Pasian , W. J. Percival , S. Pires , G. Polenta , M. Poncet , L. Pozzetti , G. D. Racca , F. Raison , A. Renzi , J. Rhodes , E. Romelli , M. Roncarelli , E. Rossetti , R. Saglia , P. Schneider , V. Scottez , A. Secroun , G. Sirri , L. Stanco , J. -L. Starck , F. Sureau , P. Tallada-Crespí , D. Tavagnacco , A. N. Taylor , M. Tenti , I. Tereno , R. Toledo-Moreo , F. Torradeflot , L. Valenziano , T. Vassallo , G. A. Verdoes Kleijn , M. Viel , Y. Wang , A. Zacchei , J. Zoubian , E. Zucca

We consider the problems of clustering, classification, and visualization of high-dimensional data when no straightforward Euclidean representation exists. Typically, these tasks are performed by first reducing the high-dimensional data to…

Machine Learning · Statistics 2009-09-29 Kevin M. Carter , Raviv Raich , William G. Finn , Alfred O. Hero

This is the Users' Manual for the Fisher Matrix software Fisher4Cast and covers installation, GUI help, command line basics, code flow and data structure, as well as cosmological applications and extensions. Finally we discuss the extensive…

Instrumentation and Methods for Astrophysics · Physics 2009-11-12 Bruce A. Bassett , Yabebal Fantaye , Renée Hlozek , Jacques Kotze

Upcoming cosmological surveys will achieve increasingly precise constraints in cosmological parameter estimation. To guarantee the robustness of cosmological analyses, it is essential to account for and model systematic effects that can…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-20 Biancamaria Sersante , Christos Georgiou , Nora Elisa Chisari

An observational program focused on the high redshift ($2<z<6$) Universe has the opportunity to dramatically improve over upcoming LSS and CMB surveys on measurements of both the standard cosmological model and its extensions. Using a…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-04 Noah Sailer , Emanuele Castorina , Simone Ferraro , Martin White

A common approach to analyzing categorical correlated time series data is to fit a generalized linear model (GLM) with past data as covariate inputs. There remain challenges to conducting inference for short time series length. By treating…

Statistics Theory · Mathematics 2018-10-23 Xu Gao , Hernando Ombao , Daniel Gillen

The Fisher matrix is a widely used tool to forecast the performance of future experiments and approximate the likelihood of large data sets. Most of the forecasts for cosmological parameters in galaxy clustering studies rely on the Fisher…

Cosmology and Nongalactic Astrophysics · Physics 2017-06-28 Alberto Bailoni , Alessio Spurio Mancini , Luca Amendola

We describe a method for forecasting errors in interferometric measurements of polarization of the cosmic microwave background (CMB) radiation, based on the use of the Fisher matrix calculated from the visibility covariance and relation…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-27 Haonan Liu , Emory F. Bunn
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