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Maximum likelihood estimation of a multidimensional log-concave…
www.statslab.cam.ac.uk/~rjs57/CSSFinalLV.pdf24 Mar 2010: Theclass of log-concave densities has many attractive properties and has been well-studied, particularlyin the economics, sampling and reliability theory literature. ... See Bagnoli and Bergstrom(2005) for many other applications of log-concavity to -
STATISTICAL MODELLING Part IICPractical 8: Contingency tables and…
www.statslab.cam.ac.uk/~rds37/teaching/statistical_modelling/Practical8.pdf11 Mar 2015: mod2 <- glm(Freq subject_msubject_f match, data=SD_subj, family=poisson). > anova(mod1, mod2, test="LR"). ... Therefore we can calculate the approximate p-value for the test above with. > -
A More General Pandora’s Rule Richard Weber, University of ...
www.statslab.cam.ac.uk/~rrw1/talks/LSEseminar13113.pdf14 Nov 2013: 5/57 ,. Varian’s problem: ‘economics and search’. Hal Varian (1999) put Weitzman’s problem like this:. ... If time for two books, show Lonely Planet. 6/57 ,. Varian’s problem: ‘economics and search’. -
ks_nov99.dvi
www.statslab.cam.ac.uk/~frank/AUCTION/auction.pdf4 Nov 1999: resources: an experimental approach. Rand Journal of Economics 20 1–25. Bernheim, B.D., M. ... Bell Journal of Economics 13 402–417. Rothkopf, M.H., A. Pekeč, R.M. -
s.dvi
www.statslab.cam.ac.uk/~rrw1/stats/Sa5.pdf4 Dec 2008: 29. 7.2 The power of a test. 29. 7.3 Uniformly most powerful tests. ... 33. 8.2 Generalised likelihood ratio tests. 33. 8.3 Single sample: testing a given mean, known variance (z-test). -
t.dvi
www.statslab.cam.ac.uk/~rrw1/timeseries/t.pdf21 Sep 2005: 3. 1.6 White noise. 4. 1.7 The turning point test. 4. ... 27. 7.5 Tests for white noise. 277.6 Forecasting with ARMA models. Results that match 1 of 2 words
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Economic Benefits
www.statslab.cam.ac.uk/~frank/PAPERS/deloitte.html15 May 2023: Measuring the Economic Benefits of Mathematical Sciences Research in the UK. ... Measuring the Economic Benefits of Mathematical Sciences Research in the UK,. -
Multiple conditional randomization tests | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/talk/mcp-2022/3 Jun 2024: Search. Multiple conditional randomization tests. Date. 2022-08-31 1:45 PM — 2:15 PM. -
Multiple conditional randomization tests | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/talk/berkeley-2021/3 Jun 2024: Search. Multiple conditional randomization tests. Date. 2021-09-29 9:30 PM — 10:30 PM. -
What is a randomization test? | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/talk/toronto-2022/3 Jun 2024: Search. What is a randomization test? Date. 2022-03-23 2:00 PM — 3:00 PM. -
Professor Chris Rogers | Statistical Laboratory
www.statslab.cam.ac.uk/person/lcgr17 Jul 2024: LCG Rogers. – Decisions in Economics and Finance. (2018). 41,. 447. ... 2018). 51,. 898. (doi: 10.1239/jap/1421763316). Combining different models. LCG Rogers. – Mathematics and Financial Economics. -
Falsification tests for instrumental variable designs with an…
https://www.statslab.cam.ac.uk/~qz280/publication/iv-falsification/3 Jun 2024: Search. Falsification tests for instrumental variable designs with an application to tendency to operate. ... We demonstrate this test using an IV known as tendency to operate (TTO) from health services research. -
Dr Susan Pitts | Statistical Laboratory
www.statslab.cam.ac.uk/person/smp277 Jul 2024: E Frostig, SM Pitts, K Politis. – Insurance Mathematics and Economics. ... SM Pitts, K Politis. – Insurance Mathematics and Economics. (2008). 42,. -
Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/3 Jun 2024: 2024-02-08 2:00 PM — 3:00 PM London School of Economics and Political Science (LSE). -
Talks
www.statslab.cam.ac.uk/~frank/TALKS/4 Jul 2024: MITACS meeting on Network and Internet Economics, Vancouver, May 2011. EURANDOM, Netherlands, April 2011. ... The Human Dimension of Risk, Cambridge, December 2010. Economic perspectives on congestion (abstracts). -
Testimonials from Our Clients | The Statistics Clinic
www.statslab.cam.ac.uk/clinic/testimonials.html7 Jul 2024: Heather, Department of Economics). Thank you, what a great free service for us "lost" biologists to be able to more accurately understand our data and hopefully avoid wrong interpretations. -
Dr Qingyuan Zhao | Statistical Laboratory
www.statslab.cam.ac.uk/person/qz2807 Jul 2024: FR Guo, Q Zhao. (2023). (link to publication). What is a Randomization Test? -
www.statslab.cam.ac.uk/~qz280/talk/index.xml
www.statslab.cam.ac.uk/~qz280/talk/index.xml3 Jun 2024: talk/ccaim-summer-school-2022/ Multiple conditional randomization tests https://www.statslab.cam.ac.uk/qz280/talk/mcp-2022/ Wed, 31 Aug 2022 13:45:00 0000 ... ac.uk/qz280/talk/mcp-2022/ Multiple conditional randomization tests -
Rajen Shah's Home Page
www.statslab.cam.ac.uk/~rds37/30 May 2024: Shah, R. D. and Bühlmann, P. (2017) Goodness-of-fit tests for high-dimensional linear models. ... Shah, R. D. and Samworth, R. J. (2015) Discussion of An adaptive resampling test for detecting the presence of significant predictors by McKeague, I. -
Multiple conditional randomization tests | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/multiple-crts/3 Jun 2024: April 2021Abstract. We propose a general framework for (multiple) conditional randomization tests that incorporate several important ideas in the recent literature. ... We show that under a change of perspective, many existing statistical methods, -
Cross-screening in observational studies that test many hypotheses |…
https://www.statslab.cam.ac.uk/~qz280/publication/cross-screening/3 Jun 2024: Search. Cross-screening in observational studies that test many hypotheses. -
Talks
www.statslab.cam.ac.uk/~rrw1/talks/index.html18 Feb 2015: Economics Issues in Shared Shared Infrastructures, talk at talk to Cambridge Finance - Wharton workshop, 25 June, 2009. -
Optimization
www.statslab.cam.ac.uk/~rrw1/opt/index.html17 Oct 2014: Read more about the amusingincluding an overview of optimization, case studies, test problems, and much, much more. -
What is a randomization test? | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/single-crt/3 Jun 2024: A new term—‘quasi-randomization test’—is introduced to define significance tests based on theoretical models and distinguish these tests from the ‘randomization tests’ based on the physical act of randomization. ... The proposed terminology -
Research
www.statslab.cam.ac.uk/~rrw1/research.html20 Feb 2012: Research interests. Research interests. Communications networks:. Incentives for Large Peer-to-Peer Systems, C. Courcoubetis and R. R. Weber, IEEE Journal on Selected Areas in Communications (2006) 24, 1034-1049.> [J. Mundinger, R. R. Weber and G. -
CA$hMAN
www.statslab.cam.ac.uk/~frank/cashman.html24 Jul 2006: C. Courcoubetis, G.D. Stamoulis, C. Manolakis and F.P. Kelly. Telecommunications Systems, Special Issue on Network Economics. ... In "Internet Economics" (Editors Lee W. McKnight and Joseph P. Bailey) MIT Press, 1997. -
Selective Inference | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/selective-inference/3 Jun 2024: We apply ideas from post-selection inference to randomization tests for adaptive experiments. -
Discussion on (quasi-)randomization inference | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/post/randomization-hyunseung/3 Jun 2024: I personally think the Freedman and Lane’s example with “randomizing” gender makes the distinction between the classic randomization test and your quasi-randomization tests more clear than the example you ... Personally, I would define -
Sensitivity Analysis | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/sensitivity-analysis/3 Jun 2024: It only tests the sharp null hypothesis; 3. It assumes treatment effect homogeneity to obtain a confidence interval of …. 2024. Powered by the Academic theme forCite. -
Permutation $p$-value approximation via generalized Stolarsky…
https://www.statslab.cam.ac.uk/~qz280/publication/stolarsky/3 Jun 2024: March 2016Abstract. This paper uses a generalized Stolarsky’s invariance principle to approximate the permutation $p$-value for two-sample linear test statistics. -
What is a randomization test?
www.statslab.cam.ac.uk/~qz280/talk/toronto-2022/slides.pdf3 Jun 2024: Quasi-randomization tests: Permute time step, hospital ward, and/or crossover order. Qingyuan Zhao (University of Cambridge) What is a randomization test? ... Permutation tests for treatment effect in randomized experiments. This generalizes Fisher’s -
Road Pricing
www.statslab.cam.ac.uk/~frank/PAPERS/ingenia.html5 Apr 2022: So what is the problem with implementing road pricing? What are the challenges and, in particular, what technology, economic and network modelling issues need to be overcome to make it happen? -
The randomization principle in causal inference: A modern look at…
https://www.statslab.cam.ac.uk/~qz280/talk/imperial-2022/3 Jun 2024: In the first part, I will use the potential outcomes framework to define the conditional randomization test, distinguish it with related ideas, and discuss some recent applications. -
On testing mean proportionality of multivariate normal variables |…
https://www.statslab.cam.ac.uk/~qz280/publication/proportionality-testing/3 Jun 2024: We show that the usual likelihood ratio χ2-test is valid non-asymptotically. ... Our proof relies on expressing the test statistic as the minimum eigenvalue of a Wishart variable and using a representation of its distribution using Legendre polynomials. -
Sensitivity analysis for inverse probability weighting estimators via …
https://www.statslab.cam.ac.uk/~qz280/publication/sensitivity-ipw/3 Jun 2024: It is mostly applicable to matched observational studies; 2. It only tests the sharp null hypothesis; 3. -
Clifford Paterson Lecture - further reading.
www.statslab.cam.ac.uk/~frank/CP/CPREAD/26 Apr 2009: The current draft of a paper on pricing and effective bandwidths that I presented at the recent Internet Economics Workshop. ... If you are interested in either of these areas, do let me know (atand Nicholas Economides' Economics of Networks' are sources -
Statistics IB
www.statslab.cam.ac.uk/~sb2116/Statistics_IB/Correction 1: A note on the existence of likelihood ratio tests of any size. -
Paul Rosenbaum | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/author/paul-rosenbaum/3 Jun 2024: Cross-screening in observational studies that test many hypotheses. -
A fun model to explain the surging popularity of Mendelian…
https://www.statslab.cam.ac.uk/~qz280/post/mr-vs-gwas-2021/3 Jun 2024: Let’s see how well this model stands the test of time. -
Discussion of Adaptive confidence intervals for the test error ...
www.statslab.cam.ac.uk/~rjs57/TestErrorCI.pdf11 Mar 2011: for the test error have poor coverage properties, and propose an innovative and effective. ... computational complexity. Such tests are available for the linear classifiers studied in the. -
Multiple conditional randomization tests
www.statslab.cam.ac.uk/~qz280/talk/berkeley-2021/slides.pdf3 Jun 2024: Slides: http://statslab.cam.ac.uk/qz280/. The role of randomization tests became obscure. Fisher (1935): To substitute t-test when normality is not true and to restore randomization as “thephysical ... Conditional randomization tests for discrete -
John Aston's Home Page - FODAA
www.statslab.cam.ac.uk/~jada2/FODAA.html10 Jun 2021: JAD Aston, D Pigoli and S Tavakoli. Tests for separability in nonparametric covariance operators of random surfaces, Annals of Statistics, in press. -
Tariffs, policing and admission control
www.statslab.cam.ac.uk/~frank/PAPERS/tariff.html19 Feb 2022: An earlier version of this paper was presented at the MIT Workshop on Internet Economics in March 1995. -
Richard Weber's Biography
www.statslab.cam.ac.uk/~rrw1/mystuff/biog.html27 Sep 2017: Hisand books range over the fields of applied probabilitiy, optimization, statistics, economics, and computer science. ... He has written on problems in stochastic scheduling, Gittins index, queueing theory, large deviations, stochastic networks, -
Mathematical Models in Finance
www.statslab.cam.ac.uk/~frank/finance.html15 Aug 2012: fertile interaction between economics and mathematics centred around martingale representations. ... that arise in economics concerning interacting systems of rational agents. -
Review of elements of methodology for HS2 business case
www.statslab.cam.ac.uk/~frank/PAPERS/hs2.html31 Jul 2019: I was asked to review specific elements of the methodology used to estimate the economic benefits arising from High Speed 2. -
Challenges of road pricing
www.statslab.cam.ac.uk/~frank/TALKS/cwi2006.html21 Dec 2006: So what's the problem with implementing road pricing? This talk will outline some of the challenges, and, in particular, some of the technology, economic and network modelling issues. ... A. M. Odlyzko, Review of Network Economics 3 (2004) 323-346. -
Selective Randomization Inference for Adaptive Experiments | Qingyuan …
https://www.statslab.cam.ac.uk/~qz280/publication/selective-randomization/3 Jun 2024: In a nutshell, our approach applies conditional post-selection inference to randomization tests. ... Lastly, we demonstrate our method and compare it with other randomization tests using synthetic and real-world data. -
A constructive approach to selective risk control | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/selective-risk/3 Jun 2024: the null but also at other locations for free; (2) in the context of permutation tests, the BH procedure with exact permutation p-values can be well approximated by a procedure -
Mathematical modelling of the Internet
www.statslab.cam.ac.uk/~frank/mmi.html6 Sep 2012: The design and control of such networks present challenges of a mathematical, engineering and economic nature.
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