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На этой странице приведены все страницы сервера hea-www.harvard.edu ,которые мы индексируем. Показаны документы 941 - 960 из 7508.

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941. The AstroStat Slog Edgeworth expansion
... Posts tagged ?Edgeworth expansion? ... This paper might be an interest for those: Interval Estimation in Exponential Families by Brown, Cai,and DasGupta ; Statistica Sinica (2003), 13 , pp. ... The authors investigated issues in interval estimation of the mean in the exponential family, such as binomial, Poisson, negative binomial, normal, gamma, and a sixth distribution. ... Comment . ... Entries RSS . Comments RSS . ... vlk on [MADS] Parallel Coordinates . ... Entries (RSS) and Comments (RSS) . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/edgeworth-expansion/index.html -- 20.5 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/tag/edgeworth-expansion/index.html -- 20.5 Кб -- 01.03.2014
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942. The AstroStat Slog distance estimation
... Posts tagged ?distance estimation? ... Since I began to subscribe arxiv/astro-ph abstracts, from an astrostatistical point of view, one of the most frequent topics has been photometric redshifts . ... Tags: cosmology , distance estimation , Lutz-Kelker bias , machine learning , Malmquist bias , Photometric Redshift , spectrum , survey , VO . ... Comment . ... Entries RSS . Comments RSS . ... General comments . ... vlk on [MADS] Parallel Coordinates . ... Entries (RSS) and Comments (RSS) . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/distance-estimation/index.html -- 20.0 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/tag/distance-estimation/index.html -- 20.0 Кб -- 01.03.2014
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943. The AstroStat Slog dimension reduction
... Posts tagged ?dimension reduction? ... Prof. Bickel?s comment during his plenary lecture at the IMS-APRM particularly on sparse matrix and philosophical issues on choosing principal components led me to wonder why astronomers do not discuss astroinformatics . ... Tags: astroinformatics , bioinformatics , catalog , dimension reduction , journals , penalize , regularization , sparse matrix , variable selection . ... 1 Comment . ... Entries RSS . Comments RSS . ... Entries (RSS) and Comments (RSS) . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/dimension-reduction/index.html -- 22.0 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/tag/dimension-reduction/index.html -- 22.0 Кб -- 01.03.2014
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944. The AstroStat Slog convex hull peeling
... People . Posts tagged ?convex hull peeling? ... From arxiv/astro-ph:0707.3413 . The Sixth Data Release of the Sloan Digital Sky Survey by ? many people ? The sixth data release of the Sloan Digital Sky Survey (SDSS DR6) is available at http://www.sdss.org/dr6 . ... ArXiv] SDSS DR6, July 23, 2007? Tags: catalog , convex hull peeling , density estimation , DR6 , massive data , multivariate analysis , nonparametric , SDSS , SQL , voronoi tessellation . ... Entries RSS . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/convex-hull-peeling/index.html -- 20.2 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/tag/convex-hull-peeling/index.html -- 20.2 Кб -- 01.03.2014
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945. The AstroStat Slog confidence interval
... Posts tagged ?confidence interval? ... Posted by hlee . ... Category: Bad AstroStat , Cross-Cultural , Data Processing , Jargon , Uncertainty | ... ArXiv] 1st week, June 2008? ... Category: arXiv , Data Processing , gamma-ray , High-Energy , Methods , Stat | ... 2007 Vol 24 Issue 4: Bootstrap methods in signal processing . ... Tags: bias , confidence interval , confidence region , coverage , Errors , Estimation , inference , Model Selection . ... ArXiv] Classical confidence intervals, June 25, 2007?...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/confidence-interval/index.html -- 37.7 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/tag/confidence-interval/index.html -- 37.7 Кб -- 01.03.2014
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946. The AstroStat Slog logistic regression
... Posts tagged ?logistic regression? ... Although a bit of time has elapsed since my post space weather, saying that logistic regression is used for prediction, it looks like still true that logistic regression is rarely used in astronomy. ... MADS] logistic regression? Tags: logistic regression , MADS , model . ... Tags: classifier , forecast , logistic regression , machine learning , predictor , response , space weather , Sun , sunspot , SVM , test data , training data , weather . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/logistic-regression/index.html -- 22.2 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/tag/logistic-regression/index.html -- 22.2 Кб -- 01.03.2014
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947. The AstroStat Slog fiducial likelihood
... People . Posts tagged ?fiducial likelihood? ... country A has nukes with 80% chance ? ... One of the statements in that episode is that people will not eat lettuce only if the 1% chance of e coli is reported, even lower. ... Tags: chances , chi-square statistic , composite likelihood , delta chi-square , F-test , fiducial likelihood , likelihood , LRT , p-value , posterior , prior . ... Comment . ... Entries RSS . Comments RSS . ... General comments . ... Entries (RSS) and Comments (RSS) . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/fiducial-likelihood/index.html -- 20.6 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/tag/fiducial-likelihood/index.html -- 20.6 Кб -- 01.03.2014
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948. The AstroStat Slog experimental design
... Posts tagged ?experimental design? ... arxiv:0906.3662] The Statistical Analysis of fMRI Data by Martin A. Lindquist . ... ArXiv] Statistical Analysis of fMRI Data? Tags: data aquisition , experimental design , fMRI , ICA , image analysis , image processing , localization , modeling , pipeline , preprocessing , similarities , Spatial , temporal , time series , voxel . Category: arXiv , Cross-Cultural , Data Processing , Imaging , Jargon , Methods , Stat | ... ArXiv] 1st week, Feb. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/experimental-design/index.html -- 25.6 Кб -- 01.03.2014
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949. The AstroStat Slog Blog Archive [MADS] Kalman Filter
... Archives . ... I decide to discuss Kalman Filter a while ago for the slog after finding out that this popular methodology is rather underrepresented in astronomy. ... When I learned ?Kalman filter? for the first time, I was not sure how to distinguish it from ?Yule-Walker equation? (time series), ?Pade approximant, (unfortunately, the wiki page does not have its matrix form). ... Tags: Cressie , inference , Kalman filter , kriging , MADS , spatial statistics . ... Comment ( RSS ) | ... Chandra Blog ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2009/mads-kalman-filter/index.html -- 23.1 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/2009/mads-kalman-filter/index.html -- 23.1 Кб -- 01.03.2014
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950. The AstroStat Slog Blog Archive [MADS] Chernoff face
... Archives . ... I cannot remember when I first met Chernoff face but it hooked me up instantly. ... Alas, another absent mindedness: I don?t understand why I didn?t realize that I already have the data, XAtlas for trying Chernoff faces until today. ... There are other variations and other data analysis systems offer different fashioned tools for drawing Chernoff faces to explore multivariate data. ... Tags: calibration , Capella , Chandra , Chernoff face , EDA , line ratios , MADS , XAtlas . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2009/mads-chernoff-face/index.html -- 26.0 Кб -- 01.03.2014
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951. The AstroStat Slog Blog Archive All models are wrong, but some are useful
... Archives . ... All models are wrong, but some are useful. ... One of the most frequently cited quotes appeared in an article, titled The End of Theory: The Data Deluge Makes the Scientific Method Obsolete which I liked it very much because it cited the updated maxim by Peter Norvig, Google?s research director, . ... The article addressed perspectives of the new Petabyte data analysis era, where the traditional modeling and testing are not likely feasible. ... Chandra Blog . ... SAMSI AstroStat Prog....
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/useful-wrong-model/index.html -- 22.8 Кб -- 01.03.2014
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952. The AstroStat Slog Blog Archive [Q] systematic error
... V. measurement error and EM . ... What is systematic error ? ... Astronomers sometimes call it measurement error . ... Statisticians? measurement error generally corresponds to astronomers? statistical error , not systematic error. This systematic error could be related to nuisance parameters, profile likelihoods, hierarchical Bayesian modeling, or a fixed bias (empirically known or other source provides its estimate ? ... Tags: measurement error , statistical error , systematic error . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/q-systematic-error/index.html -- 24.0 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/2008/q-systematic-error/index.html -- 24.0 Кб -- 01.03.2014
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953. The AstroStat Slog Blog Archive NR, the 3rd edition
... Archives . ... Talking about limits in Numerical Recipes in my PyIMSL post, I couldn?t resist checking materials, particularly updates in the new edition of Numerical Recipes by Press, et al. ... Maximum Entropy Image Restoration, I didn?t know this topic was in Numerical Recipes in other editions. The third edition looks very modern to me compared to the second edition. ... Tags: book , computing , methods and techniques , new edition , Numerical Recipes . ... Comment ( RSS ) | ... Chandra Blog . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/nr-the-3rd-edition/index.html -- 20.5 Кб -- 01.03.2014
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954. The AstroStat Slog Blog Archive Open and Shut [Equation of the Week]
... Archives . ... Discontinuation of weekly [arXiv] series . ... For a discipline that relies so heavily on images, it is rather surprising how little use astronomy makes of the vast body of work on image analysis carried out by mathematicians and computer scientists. ... images. ... Images may be Opened and Closed with different structure elements. ... Tags: close , dilate , EotW , Equation , Equation of the Week , erode , Morphological operator , open , set theory . Category: Imaging , Jargon | ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/eotw-open-and-shut/index.html -- 24.3 Кб -- 01.03.2014
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955. The AstroStat Slog Blog Archive Likelihood Ratio Test Statistic [Equation of
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. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/eotw-lrt-statistic/index.html -- 23.9 Кб -- 01.03.2014
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956. The AstroStat Slog Blog Archive Line Emission [EotW]
... Archives . ... This week, we explore the special case of optically thin emission from low-density and high-temperature plasma, and consider the component factors that determine the line intensity. ... The ion balance i(T e ,Z,I)=N Z,I /N Z is strongly variable, as is the so-called emission measure, EM = N e 2 dV , which btw is also a function of T e . ... Tags: abundance , emission , emission measure , emissivity , EotW , Equation , Equation of the Week , flux , ion balance , line . ... Chandra Blog...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/eotw-line-emission/index.html -- 28.0 Кб -- 01.03.2014
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957. The AstroStat Slog Blog Archive Too many syllables?
... Archives . ... ArXiv] 5th week, Nov. 2007 . ArXiv] 1st week, Dec. ... blog readability test ?, and well, put the Slog to the Test. ... Comment ( RSS ) | ... Comments RSS . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ... Entries (RSS) and Comments (RSS) . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2007/too-many-syllables/index.html -- 19.4 Кб -- 01.03.2014
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958. The AstroStat Slog Blog Archive ?you are biased, I have an informative prior?
... After all, there does exist a strong prior that people are bringing into the analysis, but are not including in the calculations of the widths of the posterior probability distributions. Including such a highly informative prior will of course shrink the sizes of the error bars and make everything consistent. i.e., I think that the assumption needs to be explicit, that is all. Is that bias? bandwagon? or prior belief? ... Category: arXiv , Bad AstroStat , Bayesian , Stat , Uncertainty | ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2007/lmc-distance-scale/index.html -- 21.3 Кб -- 01.03.2014
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/astrostat/slog/groundtruth.info/AstroStat/slog/2007/lmc-distance-scale/index.html -- 21.3 Кб -- 01.03.2014
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959. The AstroStat Slog Blog Archive [ArXiv] A Lecture Note, June 17, 2007
Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders . ... Archives . ... ArXiv] Correlation Studies, June 12, 2007 . ... Lectures on Astronomy, Astrophysics, and Cosmology looks helpful to statisticians who like to know astronomy, astrophysics, and cosmology. The lecture note starts from introducing fundamentals of astronomy, UNITS!!!, and its history. ... Tags: CHASC , cosmology , Jargon , lecture note . ... Chandra Blog . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2007/arxiv-june-17-2007/index.html -- 20.4 Кб -- 01.03.2014
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960. The AstroStat Slog Cross-Cultural
... Posted by hlee . ... Continue reading ?[ ... Tags: book , Brieman , cigar , Clinton , data mining , Friedman , Hastie , KDD , light curve , machine learning , SCMA , shaking hands , SN , statistical learning , Supernova , Tibshirani . ... Category: Algorithms , arXiv , Cross-Cultural , Jargon , Methods , Quotes , Stat , Uncertainty | ... Category: Bad AstroStat , Cross-Cultural , Quotes | ... Category: Algorithms , arXiv , Cross-Cultural , Data Processing , Jargon , Methods , Spectral , Stat | ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/category/cross-cultural/index.html -- 56.1 Кб -- 01.03.2014
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