# HG changeset patch # User jcb-mpl # Date 1652357502 0 # Node ID b82aec727e31f04e36483d342075e2dfbcb9fdca # Parent cfcdd499c781f9ffb877253c8dd583823964b1d0 Deleted selected files diff -r cfcdd499c781 -r b82aec727e31 2018_07_check_reference_mz.xml --- a/2018_07_check_reference_mz.xml Thu May 12 12:11:34 2022 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,154 +0,0 @@ - - - for 5 determined thresholds for m/z - - - scilab - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -**Author** Jean-Claude Boulet (INRA). - - ---------------------------------------------------- - -======================================================================= -CHECK REFERENCE MZ VALUES AMONG THE EICS-MEAN YIELDED BY THE PROCESSING -======================================================================= - ------------ -Description ------------ - -A matrix of EICs has been yielded by the function: MS-centroid -> EICs-individual or by the function: several EICs-shared -> one EICs-mean. - -The m/z values of these EICs are compared to reference m/z values for 5 pre-determined threshold values for m/z: 0.0005 / 0.0010 / 0.0030 / 0.0050 / 0.0100. - -This function is focused on the m/z values, it does not take into account the retention times. - - - ------- -Inputs ------- - -**reference m/z values** - -A tabular file, to the div format (first columns and rows = labels): - -- the first column corresponds to names of chemical compounds; - -- the second column contains the exact (reference) m/z values. - - -**EICs-mean or individual** - -A tabular matrix of (RT x m/z); lines are retention times and columns are EICs. - - ----------- -Parameters ----------- - -**correction of the electron mass** - -A correction can be applied to the reference m/z values. - -- 0: no correction; - -- 1: correction = subtraction of 0.00055 in the positive mode. - - - ------- -Output ------- - -**summary** - -The main results - - -**details** - -A .mat file - - -**extracted EICs** - -An EIC is associated to a reference m/z value if the absolute difference of (EIC minus reference) is under a threshold. - -Five threshold values have been pre-determined: 0.0005 / 0.0010 / 0.0030 / 0.0050 / 0.0100 - -This output contains a list of 5 data, each containing the EICs identified as reference m/z values according to a threshold. - - - - - - - - - -