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The main statistical distributions applicable to the analysis of genome architecture and genome tracks are briefly discussed and critically assessed. Although the observed features in distributions of element lengths can be equally well…

其他定量生物学 · 定量生物学 2015-06-17 V. R. Chechetkin

Under some assumptions, an analytic expression for the transmission spectrum can be obtained, which can form the basis of atmospheric retrievals and allows insight on the degeneracies involved. In this Research Note we present an…

地球与行星天体物理 · 物理学 2018-08-17 Andrés Jordán , Néstor Espinoza

In this study, we propose a hidden Markov mixture model for the analysis of gene expression measurements mapped to chromosome locations. These expression values represent preprocessed light intensities observed in each probe of Affymetrix…

应用统计 · 统计学 2016-09-27 Vinícius Diniz Mayrink , Flávio Bambirra Gonçalves

Volcano plot displays unstandardized signal (e.g. log-fold-change) against noise-adjusted/standardized signal (e.g. t-statistic or -log10(p-value) from the t test). We review the basic and an interactive use of the volcano plot, and its…

定量方法 · 定量生物学 2013-08-29 Wentian Li

Gene expression microarray technologies provide the simultaneous measurements of a large number of genes. Typical analyses of such data focus on the individual genes, but recent work has demonstrated that evaluating changes in expression…

应用统计 · 统计学 2010-06-29 Babak Shahbaba , Robert Tibshirani , Catherine M. Shachaf , Sylvia K. Plevritis

Microarray is one of the essential technologies used by the biologist to measure genome-wide expression levels of genes in a particular organism under some particular conditions or stimuli. As microarrays technologies have become more…

人工智能 · 计算机科学 2020-05-05 Khalid Raza

Multi Expression Programming (MEP) is a Genetic Programming variant that uses a linear representation of chromosomes. MEP individuals are strings of genes encoding complex computer programs. When MEP individuals encode expressions, their…

神经与进化计算 · 计算机科学 2021-10-04 Mihai Oltean

This study is focused on applying genetic algorithms (GA) to model and band selection in hyperspectral image classification. We use a forensic-inspired data set of seven hyperspectral images with blood and five visually similar substances…

计算机视觉与模式识别 · 计算机科学 2020-11-05 Filip Pałka , Wojciech Książek , Paweł Pławiak , Michał Romaszewski , Kamil Książek

Microarray is a technology to quantitatively monitor the expression of large number of genes in parallel. It has become one of the main tools for global gene expression analysis in molecular biology research in recent years. The large…

定量方法 · 定量生物学 2015-06-18 Min Xu

Many tasks require finding groups of elements in a matrix of numbers, symbols or class likelihoods. One approach is to use efficient bi- or tri-linear factorization techniques including PCA, ICA, sparse matrix factorization and plaid…

机器学习 · 计算机科学 2012-07-02 Inmar Givoni , Vincent Cheung , Brendan J. Frey

RNAnet provides a bridge between two widely used Human gene databases. Ensembl describes DNA sequences and transcripts but not experimental gene expression. Whilst NCBI's GEO contains actual expression levels from Human samples. RNAnet…

分子网络 · 定量生物学 2010-01-26 W. B. Langdon , Olivia Sanchez Graillet , A. P. Harrison

We present experiences and lessons learned from increasing data readiness of heterogeneous data for artificial intelligence projects using visual analysis methods. Increasing the data readiness level involves understanding both the data as…

统计方法学 · 统计学 2024-09-09 Mattias Tiger , Daniel Jakobsson , Anders Ynnerman , Fredrik Heintz , Daniel Jönsson

Split-plot designs find wide applicability in multifactor experiments with randomization restrictions. Practical considerations often warrant the use of unbalanced designs. This paper investigates randomization based causal inference in…

统计方法学 · 统计学 2019-06-21 Rahul Mukerjee , Tirthankar Dasgupta

In recent years, rapid progress has been made in developing artificial intelligence (AI) and machine learning (ML) methods for x-ray absorption spectroscopy (XAS) analysis. Compared to traditional XAS analysis methods, AI/ML approaches…

Multi Expression Programming (MEP) is a Genetic Programming variant which encodes multiple solutions in a single chromosome. This paper introduces and deeply describes several strategies for solving binary and multi-class classification…

神经与进化计算 · 计算机科学 2022-03-25 Mihai Oltean

The funnel plot is a graphical visualisation of summary data estimates from a meta-analysis, and is a useful tool for detecting departures from the standard modelling assumptions. Although perhaps not widely appreciated, a simple extension…

应用统计 · 统计学 2015-08-18 Jack Bowden , Chris Jackson

The increasing precision of cosmology data in the modern era is calling for methods to allow the extraction of non-Gaussian information using tools beyond two-point statistics. The marked power spectrum has the potential to extract beyond…

宇宙学与河外天体物理 · 物理学 2025-02-13 Haruki Ebina , Martin White

Multi-dimensional magnetic resonance spectroscopy is an important tool for studying molecular structures, interactions and dynamics in bio-engineering. The data acquisition time, however, is relatively long and non-uniform sampling can be…

医学物理 · 物理学 2017-01-26 Xiaobo Qu , Jiaxi Ying , Jian-Feng Cai , Zhong Chen

In risk analysis, the mean excess plot is a commonly used exploratory plotting technique for confirming iid data is consistent with a generalized Pareto assumption for the underlying distribution, since in the presence of such a…

统计理论 · 数学 2010-12-01 Souvik Ghosh , Sidney I. Resnick

Global expression analyses using microarray technologies are becoming more common in genomic research, therefore, new statistical challenges associated with combining information from multiple studies must be addressed. In this paper we…

应用统计 · 统计学 2013-01-29 Jia Li , George C. Tseng