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Showing 13 to 24 of 392 entries
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Empirical Bayes and resampling based multiple testing procedure controlling tail probability of the proportion of false positives.

Statistical applications in genetics and molecular biology

van der Laan MJ, Birkner MD, Hubbard AE.
PMID: 16646847
Stat Appl Genet Mol Biol. 2005;4:Article29. doi: 10.2202/1544-6115.1143. Epub 2005 Oct 07.

Simultaneously testing a collection of null hypotheses about a data generating distribution based on a sample of independent and identically distributed observations is a fundamental and important statistical problem involving many applications. In this article we propose a new...

Deletion/substitution/addition algorithm in learning with applications in genomics.

Statistical applications in genetics and molecular biology

Sinisi SE, van der Laan MJ.
PMID: 16646796
Stat Appl Genet Mol Biol. 2004;3:Article18. doi: 10.2202/1544-6115.1069. Epub 2004 Aug 12.

van der Laan and Dudoit (2003) provide a road map for estimation and performance assessment where a parameter of interest is defined as the risk minimizer for a suitable loss function and candidate estimators are generated using a loss...

A SEM-EDS study of cultural heritage objects with interpretation of constituents and their distribution using PARC data analysis.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada

van Hoek CJ, de Roo M, van der Veer G, van der Laan SR.
PMID: 21226973
Microsc Microanal. 2011 Oct;17(5):656-60. doi: 10.1017/S1431927610094390.

Two cultural heritage objects studied with scanning electron microscopy-energy dispersive spectroscopy (EDS) are presented in this article: (1) archeological iron present in a soil sample and (2) a chip from a purple-colored area of an undisclosed 17th century painting....

Infectious stunting and leg weakness in broilers. II. Studies on alkaline phosphatase isoenzymes in blood plasma.

Avian pathology : journal of the W.V.P.A

Vertommen M, Van Der Laan A, Veenendaal-Hesselman HM.
PMID: 18770251
Avian Pathol. 1980 Apr;9(2):143-53. doi: 10.1080/03079458008418397.

Total alkaline phosphatase (ALP) activity in blood plasma of broilers suffering from infectious stunting after artificial infection was constantly higher than that of uninoculated control birds. While total ALP activity in blood plasma from inoculated broilers of various ages...

Optical monitoring of nonquarterwave stacks.

Applied optics

van der Laan CJ.
PMID: 18231246
Appl Opt. 1986 Mar 01;25(5):753-60. doi: 10.1364/ao.25.000753.

The planning of an optical monitoring process for nonquarterwave stacks, using standard equipment for turning value monitoring, is a rather complicated procedure. It is shown that by using a computer program together with some simple rules the planning becomes...

Generation of on-axis and off-axis conic surfaces of revolution by applying a tubular tool.

Applied optics

Fähnle OW, van Brug H, van der Laan CJ, Frankena HJ.
PMID: 18259240
Appl Opt. 1997 Jul 01;36(19):4490-6. doi: 10.1364/ao.36.004490.

A new technique, fabrication of aspherical ultraprecise surfaces using a tube, is applied to the generation of conic surfaces of revolution, which also demonstrates that it is possible to generate different kinds of surfaces with the same tube. Surfaces...

Bone marrow cell therapy after acute myocardial infarction: the HEBE trial in perspective, first results.

Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation

van der Laan A, Hirsch A, Nijveldt R, van der Vleuten PA, van der Giessen WJ, Doevendans PA, Waltenberger J, Ten Berg JM, Aengevaeren WR, Zwaginga JJ, Biemond BJ, van Rossum AC, Tijssen JG, Zijlstra F, Piek JJ.
PMID: 19127324
Neth Heart J. 2008 Dec;16(12):436-9. doi: 10.1007/BF03086194.

During the last decennium, the role of bone marrow mononuclear cells (BMMC) has been underscored in the healing process after acute myocardial infarction (AMI). Although these cells improve left ventricular recovery after AMI in experimental studies, results from large-scale...

Carbon dioxide laser backscatter signatures from laboratory-generated dust.

Applied optics

Walter DP, Cooper DE, van der Laan JE, Murray ER.
PMID: 18231521
Appl Opt. 1986 Aug 01;25(15):2506. doi: 10.1364/ao.25.002506.

No abstract available.

Femtosecond dynamics in ferromagnetic metals investigated with soft x-ray resonant emission.

Physical review letters

Braicovich L, Ghiringhelli G, Tagliaferri A, van der Laan G, Annese E, Brookes NB.
PMID: 16486402
Phys Rev Lett. 2005 Dec 31;95(26):267402. doi: 10.1103/PhysRevLett.95.267402. Epub 2005 Dec 19.

We present measurements of the magnetic circular dichroism in x-ray resonant emission in the perpendicular geometry (circularly polarized x rays at normal incidence to the magnetization) for L(2,3) the absorption region in Fe, Co, and Ni metal. The results...

CURRENT STATUS AND RIGHT-CENSORED DATA STRUCTURES WHEN OBSERVING A MARKER AT THE CENSORING TIME.

Annals of statistics

VAN DER Laan MJ, Jewell NP.
PMID: 18633452
Ann Stat. 2003;31(2):512-535. doi: 10.1901/jaba.2003.31-512.

We study nonparametric estimation with two types of data structures. In the first data structure n i.i.d. copies of (C, N(C)) are observed, where N is a finite state counting process jumping at time-variables of interest and C a...

Strain-induced changes in the electronic structure of MnCr(2)O(4) thin films probed by x-ray magnetic circular dichroism.

Physical review letters

van der Laan G, Chopdekar RV, Suzuki Y, Arenholz E.
PMID: 20868013
Phys Rev Lett. 2010 Aug 06;105(6):067405. doi: 10.1103/PhysRevLett.105.067405. Epub 2010 Aug 06.

We show that the angular dependence of x-ray magnetic circular dichroism (XMCD) is strongly sensitive to strain-induced electronic structure changes in magnetic transition metal oxides. We observe a pronounced dependence of the XMCD spectral shape on the experimental geometry...

Subsemble: an ensemble method for combining subset-specific algorithm fits.

Journal of applied statistics

Sapp S, van der Laan MJ, Canny J.
PMID: 24778462
J Appl Stat. 2014 Jan 01;41(6):1247-1259. doi: 10.1080/02664763.2013.864263.

Ensemble methods using the same underlying algorithm trained on different subsets of observations have recently received increased attention as practical prediction tools for massive datasets. We propose Subsemble: a general subset ensemble prediction method, which can be used for...

Showing 13 to 24 of 392 entries