Results 91 to 100 of about 415,967 (312)

Estimation of genetic variation in residual variance in female and male broiler chickens [PDF]

, 2008
In breeding programs, robustness of animals and uniformity of end product can be improved by exploiting genetic variation in residual variance. Residual variance can be defined as environmental variance after accounting for all identifiable effects.
Mulder, H. A., Vereijken, A., Veerkamp, R.F., Mulder, H.A., Hill, W. G., Veerkamp, R. F., Hill, W.G.   +6 more
core   +1 more source

Variance Estimation Using Package vardpoor in R [PDF]

Revista Română de Statistică, 2015
The paper is devoted to the R package vardpoor. The Central Statistical Bureau of Latvia in 2012 developed R package vardpoor. The package vardpoor was developed with the objective to modernise the sample error estimation in sample surveys.
Juris Breidaks
doaj  

Circular RNA expression landscapes in myelodysplastic neoplasms: Associations with mutational signatures and disease progression

Molecular Oncology, EarlyView.
In this explorative study, the abundance of circular RNA molecules in bone marrow stem cells was found to be elevated in patients with high‐risk myelodysplastic neoplasms, and to be associated with an increased risk of progression to acute myeloid leukemia.
Eileen Wedge, Morten Tulstrup, Gabriele Todisco, Pedro Moura, Christophe Côme, Jakob Werner Hansen, Jakob Schmidt Jespersen, Balthasar Schlotmann, Maria Creignou, Mette Dahl, Claudia Schöllkopf, Klas Raaschou‐Jensen, Krister Wennerberg, Bo Porse, Joachim Weischenfeldt, Eva Hellström‐Lindberg, Lasse Sommer Kristensen, Kirsten Grønbæk   +17 more
wiley   +1 more source

Variance Estimation for High-Dimensional Regression Models

, 2002
The paper is concerned with the problem of variance estimation for a high-dimensional regression model. The results show that the accuracy n−1/2 of variance estimation can be achieved only under some restrictions on smoothness properties of the ...
Vladimir Spokoiny, Spokoiny, Vladimir
core   +1 more source

Network divergence analysis identifies adaptive gene modules and two orthogonal vulnerability axes in pancreatic cancer

Molecular Oncology, EarlyView.
Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson, Lyanne Delgado‐Coka, Natalia Marchenko, Luisa F. Escobar‐Hoyos, Kenneth R. Shroyer, Alisa Yurovsky, Trey Ideker, Gábor Balázsi, Thomas MacCarthy, Scott Powers   +9 more
wiley   +1 more source

Estimation of parameters of mean and variance in two-stage linear models [PDF]

, 1971
summary:The paper deals with the estimation of unknown vector parameter of mean and scalar parameters of variance as well in two-stage linear model, which is a special type of mixed linear model.
Varga, Štefan, Volaufová, Júlia, Rao, C.Radhakrishna   +2 more
core   +1 more source

Pre‐analytical optimization of cell‐free DNA and extracellular vesicle‐derived DNA for mutation detection in liquid biopsies

Molecular Oncology, EarlyView.
Pre‐analytical handling critically determines liquid biopsy performance. This study defines practical best‐practice conditions for cell‐free DNA (cfDNA) and extracellular vesicle–derived DNA (evDNA), showing how processing time, storage conditions, tube type, and plasma input volume affect DNA integrity and mutation detection.
Jonas Dohmen, Lucrezia De Santis, Bret M. Stephens, Vincent Bernard, Jörg C. Kalff, Lara Braun, Phillipp Leyendecker, Johannes Röttgen, Daniel Weissinger, Anirban Maitra, Paola A. Guerrero, Alexander Semaan   +11 more
wiley   +1 more source

A Note on the asymptotic equivalence of jackknife and linearization variance estimation for the Gini Coefficient

, 2008
The Gini coefficient has proved valuable as a measure of income inequality. In cross-sectional studies of the Gini coefficient, information about the accuracy of its estimate is crucial.
Berger, Yves G.
core  

Estimation of Population Variance for a Sensitive Variable in Stratified Sampling Using Randomized Response Technique

Revstat Statistical Journal
In this paper, Randomized Response technique (RRT) is used to propose some separate and combined variance estimators for a sensitive variable using stratified random sampling.
Badr Aloraini, Sadia Khalil, Muhammad Nouman Qureshi, Sat Gupta   +3 more
doaj   +1 more source

Power Estimation in Multivariate Analysis of Variance [PDF]

Tutorials in Quantitative Methods for Psychology, 2007
Power is often overlooked in designing multivariate studies for the simple reason that it is believed to be too complicated. In this paper, it is shown that power estimation in multivariate analysis of variance (MANOVA) can be approximated using a F ...
Jean François Allaire, Sylvain Chartier
doaj