Probabilistic mixture regression models for alignment of LC-MS data.
Probabilistic mixture regression models for alignment of LC-MS data.
复制标题
用于对齐 LC-MS 数据的概率混合回归模型。
DOI:
10.1109/tcbb.2010.88
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发表时间:
2011
期刊:
影响因子:
--
通讯作者:
Ressom,HabtomW
中科院分区:
文献类型:
--
作者:
Befekadu,GetachewK;Tadesse,MahletG;Tsai,Tsung-Heng;Ressom,HabtomW
A novel framework of a probabilistic mixture regression model (PMRM) is presented for alignment of liquid chromatography-mass spectrometry (LC-MS) data with respect to retention time (RT) points. The expectation maximization algorithm is used to estimate the joint parameters of spline-based mixture regression models and prior transformation density models. The latter accounts for the variability in RT points and peak intensities. The applicability of PMRM for alignment of LC-MS data is demonstrated through three data sets. The performance of PMRM is compared with other alignment approaches including dynamic time warping, correlation optimized warping, and continuous profile model in terms of coefficient variation of replicate LC-MS runs and accuracy in detecting differentially abundant peptides/proteins.
影响因子:
1
作者:
J. Henna
通讯作者:
J. Henna
影响因子:
5.8
作者:
Fischer, Bernd;Grossmann, Jonas;Buhmann, Joachim M.
通讯作者:
Buhmann, Joachim M.
DOI:
10.1111/j.2517-6161.1977.tb01600.x
发表时间:
1977-01-01
期刊:
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES B-METHODOLOGICAL
影响因子:
--
作者:
DEMPSTER, AP;LAIRD, NM;RUBIN, DB
通讯作者:
RUBIN, DB