28 Phystat05 PPTs View free & download

PHYSTAT05%20Highlights:%20Statistical%20Problems%20in%20Particle%20Physics,%20%20%20Astrophysics%20and%20Cosmology PowerPoint PPT Presentation

PHYSTAT05%20Highlights:%20Statistical%20Problems%20in%20Particle%20Physics,%20%20%20Astrophysics%20and%20Cosmology - Narsky Bagging. Roe Boosting (Miniboone) Gray Bayes optimal classification ... Bagging (Bootstrap AGGregatING) trees: build a collection of trees by selecting ...

Narsky Bagging. Roe Boosting (Miniboone) Gray Bayes optimal classification ... Bagging (Bootstrap AGGregatING) trees: build a collection of trees by selecting ...

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A General Theory of Goodness of Fit in Likelihood fits PowerPoint PPT Presentation

A General Theory of Goodness of Fit in Likelihood fits - SLAC PHYSTAT03 Gave a solution to the unbinned goodness of fit problem ... bins and let the kth bin whose center abscissa is given by ck contain nk entries. ...

SLAC PHYSTAT03 Gave a solution to the unbinned goodness of fit problem ... bins and let the kth bin whose center abscissa is given by ck contain nk entries. ...

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A General Theory of Goodness of Fit in Likelihood fits - SLAC PHYSTAT03 Gave a solution to the unbinned goodness of fit problem ... People mistakenly conclude that c2 is the negative log of a likelihood. ...

SLAC PHYSTAT03 Gave a solution to the unbinned goodness of fit problem ... People mistakenly conclude that c2 is the negative log of a likelihood. ...

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Fully-frequentist handling of nuisance parameters in confidence limits PowerPoint PPT Presentation

Fully-frequentist handling of nuisance parameters in confidence limits - Fully-frequentist handling of nuisance parameters in confidence limits more details in: http://www.samsi.info/200506/astro/workinggroup/phy/ and:

Fully-frequentist handling of nuisance parameters in confidence limits more details in: http://www.samsi.info/200506/astro/workinggroup/phy/ and:

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Lecture 5 page 1 PowerPoint PPT Presentation

Lecture 5 page 1 - Lecture 5 1 Probability Definition, Bayes theorem, probability densities and their properties, catalogue of pdfs, Monte Carlo 2 Statistical tests

Lecture 5 1 Probability Definition, Bayes theorem, probability densities and their properties, catalogue of pdfs, Monte Carlo 2 Statistical tests

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Statistical%20Methods%20in%20HEP,%20in%20particular...%20Nuisance%20parameters%20and%20systematic%20uncertainties PowerPoint PPT Presentation

Statistical%20Methods%20in%20HEP,%20in%20particular...%20Nuisance%20parameters%20and%20systematic%20uncertainties - Statistical Methods in HEP, in particular... Nuisance parameters and systematic uncertainties Glen Cowan Royal Holloway, University of London g.cowan@rhul.ac.uk

Statistical Methods in HEP, in particular... Nuisance parameters and systematic uncertainties Glen Cowan Royal Holloway, University of London g.cowan@rhul.ac.uk

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The small-n problem in High Energy Physics PowerPoint PPT Presentation

The small-n problem in High Energy Physics - Title: Title of Author: cowan Last modified by: Cowan Created Date: 6/25/2002 9:56:22 PM Document presentation format: On-screen Show Company

Title: Title of Author: cowan Last modified by: Cowan Created Date: 6/25/2002 9:56:22 PM Document presentation format: On-screen Show Company

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Lecture 5 page 1 - ... on Statistical Data Analysis. Lecture 5 ... Profile likelihood is one of several pseudo-likelihoods' used ... each new point depends on the previous one) ...

... on Statistical Data Analysis. Lecture 5 ... Profile likelihood is one of several pseudo-likelihoods' used ... each new point depends on the previous one) ...

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G. Cowan - Take critical region for test (region with low compatibility with ... Astrology ~10-20. Note some groups have defined 5s to refer to a two-sided ...

Take critical region for test (region with low compatibility with ... Astrology ~10-20. Note some groups have defined 5s to refer to a two-sided ...

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The small-n problem in High Energy Physics - 106 Z boson events in 5 years for each of 4 experiments ... Now invert the test to define a confidence interval as: ... Coverage probability of confidence intervals ...

106 Z boson events in 5 years for each of 4 experiments ... Now invert the test to define a confidence interval as: ... Coverage probability of confidence intervals ...

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Do - JUST QUOTE UPPER LIMIT (ln L) = 0.5 RULE. Lmax AND GOODNESS OF ... 2) Lright unbiassed, but Lwrong biassed (enormously)! 3) Lright gives smaller sf than Lwrong ...

JUST QUOTE UPPER LIMIT (ln L) = 0.5 RULE. Lmax AND GOODNESS OF ... 2) Lright unbiassed, but Lwrong biassed (enormously)! 3) Lright gives smaller sf than Lwrong ...

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Perspective on Astrostatistics from Particle Physics PowerPoint PPT Presentation

Perspective on Astrostatistics from Particle Physics - Perspective on Astrostatistics from Particle Physics Louis Lyons Particle Physics, Oxford (CDF experiment, Fermilab) l.lyons@physics.ox.ac.uk SCMA IV

Perspective on Astrostatistics from Particle Physics Louis Lyons Particle Physics, Oxford (CDF experiment, Fermilab) l.lyons@physics.ox.ac.uk SCMA IV

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Statistical Problems in Particle Physics PowerPoint PPT Presentation

Statistical Problems in Particle Physics - Title: PowerPoint Presentation Author: Lyons Last modified by: lyons Created Date: 11/30/2003 4:12:03 AM Document presentation format: On-screen Show

Title: PowerPoint Presentation Author: Lyons Last modified by: lyons Created Date: 11/30/2003 4:12:03 AM Document presentation format: On-screen Show

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Nuisance parameters and systematic uncertainties PowerPoint PPT Presentation

Nuisance parameters and systematic uncertainties - tangent lines to contour. Case #2: both q0 and q1 unknown. 8. Glen Cowan ... two examples (fitting line, Poisson mean with background) ...

tangent lines to contour. Case #2: both q0 and q1 unknown. 8. Glen Cowan ... two examples (fitting line, Poisson mean with background) ...

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The small-n problem in High Energy Physics - I. High Energy Physics (HEP) overview. Theory. Experiments. Data. II. The small-n problem, etc. ... Experiments in High Energy Physics. Glen Cowan ...

I. High Energy Physics (HEP) overview. Theory. Experiments. Data. II. The small-n problem, etc. ... Experiments in High Energy Physics. Glen Cowan ...

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Accelerators and other things PowerPoint PPT Presentation

Accelerators and other things - Ray Julian. Prototype assembly procedures. First results by Xmas, final by summer 06 ... Work started (Ray Thompson, Julian Freestone) Literature being looked at ...

Ray Julian. Prototype assembly procedures. First results by Xmas, final by summer 06 ... Work started (Ray Thompson, Julian Freestone) Literature being looked at ...

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BAYES and FREQUENTISM: The Return of an Old Controversy PowerPoint PPT Presentation

BAYES and FREQUENTISM: The Return of an Old Controversy - (an anathema to a Frequentist!) Frequentist : Probability (data, given parameter) ... Anathema. Yes. Prob of parameters? Frequentist definition. Degree of ...

(an anathema to a Frequentist!) Frequentist : Probability (data, given parameter) ... Anathema. Yes. Prob of parameters? Frequentist definition. Degree of ...

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LIMITS - LIMITS

LIMITS

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Dos and Donts with Likelihoods PowerPoint PPT Presentation

Dos and Donts with Likelihoods - Range of likely values of param from width of L or l dists. ... 2) Lright unbiassed, but Lwrong biassed (enormously)! 3) Lright gives smaller sf than Lwrong ...

Range of likely values of param from width of L or l dists. ... 2) Lright unbiassed, but Lwrong biassed (enormously)! 3) Lright gives smaller sf than Lwrong ...

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G. Cowan - Prior probabilities ps, pb proportional to cross sections, so. for e.g. the signal purity, ... Equivalent to Neyman confidence-belt construction. ...

Prior probabilities ps, pb proportional to cross sections, so. for e.g. the signal purity, ... Equivalent to Neyman confidence-belt construction. ...

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BAYES and FREQUENTISM: The Return of an Old Controversy - It is possible to spend a lifetime analysing data without ... Unimportant if 'data overshadows prior' Important for limits. Subjective or Objective prior? ...

It is possible to spend a lifetime analysing data without ... Unimportant if 'data overshadows prior' Important for limits. Subjective or Objective prior? ...

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BAYES and FREQUENTISM: The Return of an Old Controversy - It is possible to spend a lifetime analysing data without ... Unimportant if 'data overshadows prior' Important for limits. Subjective or Objective prior? ...

It is possible to spend a lifetime analysing data without ... Unimportant if 'data overshadows prior' Important for limits. Subjective or Objective prior? ...

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BAYES and FREQUENTISM: The Return of an Old Controversy - Unimportant if 'data overshadows prior' Important for limits. Subjective or Objective prior? ... Unimportant. Coverage. Extend dimensionality of frequentist ...

Unimportant if 'data overshadows prior' Important for limits. Subjective or Objective prior? ... Unimportant. Coverage. Extend dimensionality of frequentist ...

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Nuisance parameters and systematic uncertainties - Nuisance parameters and systematic uncertainties

Nuisance parameters and systematic uncertainties

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Upper Limits and Discovery in Search for Exotic Physics PowerPoint PPT Presentation

Upper Limits and Discovery in Search for Exotic Physics - One can claim discovery of this process if the observed data is very unlikely to ... Poisson signal, Gauss eff. Unc (10 %) Projection method with appropriate ordering. ...

One can claim discovery of this process if the observed data is very unlikely to ... Poisson signal, Gauss eff. Unc (10 %) Projection method with appropriate ordering. ...

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Data Analysis Techniques in experimental physics PowerPoint PPT Presentation

Data Analysis Techniques in experimental physics - Luciano RAMELLO Dipartimento di Scienze e Tecnologie Avanzate, ... G. Poulard et al., Phys. Lett. B 46 (1973) 135. this factor is missing. from the article ...

Luciano RAMELLO Dipartimento di Scienze e Tecnologie Avanzate, ... G. Poulard et al., Phys. Lett. B 46 (1973) 135. this factor is missing. from the article ...

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Data Analysis Techniques in experimental physics - Let s start from Kolmogorov s axioms (1933): Let S be a set (S sample space) ... (quantum mechanics, radioactive decays, particle scattering).

Let s start from Kolmogorov s axioms (1933): Let S be a set (S sample space) ... (quantum mechanics, radioactive decays, particle scattering).

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PHYSTAT05 - Jerry Friedman Machine Learning. Susan Holmes Visualisation. Peter Clifford Time Series ... Chi-squared (data or theory error) Frequentist (Central or upper ...

Jerry Friedman Machine Learning. Susan Holmes Visualisation. Peter Clifford Time Series ... Chi-squared (data or theory error) Frequentist (Central or upper ...

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Phystat05 PowerPoint PPT Presentations