Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders . ... 2002, ApJ, 571, 545) , here is a formal expression for the Likelihood Ratio Test Statistic, . ... Tags: EotW , Equation , Equation of the Week , F-test , likelihood , likelihood ratio test , LRT , Protassov , Rostislav Protassov . ... Likelihood-ratio type tests are actually the basis of many common tests; for example, the one-sided Z test is equivalent to a likelihood ratio test. ...

... Up: Data Analysis Tools, Techniques, and Software . Previous: Starfinder: a Code for Crowded Stellar Fields Analysis . Table of Contents - Subject Index - Author Index - PS reprint - . ... 216, Astronomical Data Analysis Software and Systems IX, eds. N. Manset, C. Veillet, D. Crabtree (San Francisco: ASP), 627 . ... Kitt Peak National Observatory, National Optical Astronomy Observatories, P.O. Box 26732, Tucson, AZ 85726 . ...

Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...

... use frames summary class fields routine details file attributes . ... AUTHOR: Craig B. Markwardt, NASA/GSFC Code 662, Greenbelt, MD 20770 craigm@lheamail.gsfc.nasa.gov UPDATED VERSIONs can be found on my WEB PAGE: http://cow.physics.wisc.edu/~craigm/idl/idl.html . PURPOSE: Compute confidence limits for chi-square statistic . ... CALLING SEQUENCE: DELCHI = MPCHILIM(PROB, DOF, [/SIGMA, /CLEVEL, /SLEVEL ]) . ... result = mpchilim( p , dof , sigma= sigma , clevel= clevel , slevel= slevel ) . ...

Next: Introduction Up: No Title Previous: DAOPHOT II: The . Introduction . Basic principles of time series analysis . ... Test statistics . ... Power of test statistics . Time domain analysis . ... Fourier analysis: The sine model . ... The power spectrum and covariance statistics . ... MIDAS utilities for time series analysis . ... Input data format . Output data format . Fourier analysis . Time series analysis in the frequency domain . Analysis in the time domain . ...

... A list of spectrum files from a set of observations, referring to one RGS instrument and one spectral order. These spectra files must be produced using the attstyle=user and associated parameters from a call to rgsproc . ... A list of accompanying event list files, in the same order as the spectra files. ... If this parameter is set to yes, the spectra files of the input lists will be combined to produced a combined spectrum file each for both spectra and background spectra files. filermf . ...

... In brief: the frequency-dependent radiative transfer equation is solved for a dust under assumption of spherically-symmetric geometry for its distribution taking into account particle size distribution and quantum heating effects for the very small dust particles. ... Table: Model parameters for IRAS04296+3429. ... parameter . ... hot dust shell) . ... The best fit to the spectral energy distribution of IRAS04296 is shown by heavy solid line (see Table2 for details concerning parameters of the model...

The following tasks belong to the category ANALYSIS: . Data Analysis'' In parentheses the name of the source file is given. ... Combine sets to create new sets using mathematical expressions. ( combin.shl ) . ... Programme fits an ellipse to an user defined bunch of points. ( ellfit.c ) . ... Add noise to sets. ... Fit parameters of a standard Gauss function, the Gauss-Hermite series or a Voigt lineshape to data from GIPSY sets or ASCII files See also: XGAUPROF Supplementary documentation . ...

Some peculiarities of orbits of observed comets. ... Icarus, 2005 Simulation and reality Distribution of anti-perihelia of short-period comets with e 0.9 ( ecliptic coordinates ) Distribution of anti-perihelia of short-period comets with e 0.9 ( ecliptic coordinates ) Distribution of anti-perihelia of long-period comets with 0.9 e 1 ( ecliptic coordinates ) ­ ...

The Redshift Distribution of Flat-Spectrum Radio Sources at Low Flux-Densities J.P. McKean et al. ... The relative size and completeness of CLASS coupled with its stringent search criteria make it ideal for performing a lens statis- tics analysis. ... These results, as well as forming a vital part of the CLASS lens statistics analysis, will also contribute to our understanding of the at-spectrum radio source population at low ux-densities.. ...