Changes between Version 7 and Version 8 of WikiStart


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Timestamp:
Mar 8, 2011, 9:32:26 PM (8 years ago)
Author:
p.l.horvatovich@…
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  • WikiStart

    v7 v8  
    77== Background ==
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    9 This project contains Matlab code of various LC-MS time alignment functions taking account mass dimension in the procedure to correct for non-linear retention time shifts between chromatograms. The time alignment approaches are combining Correlation Optimized Warping (COW), Dynamic Time Warping (DTW) and Parametric Time Warping (PTW) with COmponent Detection Algorithm (CODA) and are described in details in the references (1) and (2). All functions take as input two raw LC-MS data files resampled in regular mesh, and provide the corrected retention time vector of the mesh of the sample chromatogram aligned to the reference chromatogram. Example LC-MS datafile are provided in the [https://trac.nbic.nl/lcms_time_alignment_algorithms/downloads/2 download section] and example parameters and alignment procedure is presented in runwarp.m script.
     9This project contains Matlab code of various LC-MS time alignment functions taking account mass dimension in the procedure to correct for non-linear retention time shifts between chromatograms. The time alignment approaches are combining Correlation Optimized Warping (COW), Dynamic Time Warping (DTW) and Parametric Time Warping (PTW) with COmponent Detection Algorithm (CODA) and are described in details in the references (1) and (2). All functions take as input two raw LC-MS data files resampled in regular mesh, and provide the corrected retention time vector of the mesh of the sample chromatogram aligned to the reference chromatogram. Example LC-MS datafile are provided in the [https://trac.nbic.nl/lcms_time_alignment_algorithms/downloads/2 download section] and example parameters and alignment procedure is presented in runwarp.m script. This project was reaslised within NBIC Biorange SP 2.2.3 entitled "Biostatistics for proteomics and metabolomics based clinical biomarker discovery." and is take part of the [https://wiki.nbic.nl/index.php/Proteomics Gaining Momentum Initiative], which is a join effort of [http://www.nbic.nl/ NBIC] and [http://www.netherlandsproteomicscentre.nl/ NPC] to advance proteomics related bioinformatics.
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    1111''References'':