# HG changeset patch # User jcb-mpl # Date 1652357710 0 # Node ID c1008b92a6c81a1778ab7b0426253a75949a5d41 # Parent 4660bf9c80598e02f28d18833ddef22448963dec Uploaded diff -r 4660bf9c8059 -r c1008b92a6c8 features_check_references.xml --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/features_check_references.xml Thu May 12 12:15:10 2022 +0000 @@ -0,0 +1,175 @@ + + + + + + scilab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +**Author** Jean-Claude Boulet (INRA). + + +--------------------------------------------------- + +================================== +FEATURES EXPERIMENTAL VS REFERENCE +================================== + + +----------- +Description +----------- + +This function checks reference features among experimental features. + +----------- +Input files +----------- + +**Features list** + +The tabular file yielded by the function: EICs -> peaks:features + + +**Detailed features** + +The HDF5-scilab file yielded by the function: EICs -> peaks:features + + +**Reference features** + +A tabular file containing 2 columns: m/z values then retention times + +Row labels are the names of the reference features, e.g. chemical compounds + + + +---------- +Parameters +---------- + +**Threshold for m/z values** + +Observed features are associated to the reference features if 1) the difference in m/z values is under the threshold; 2) the reference RT falls within the range of the observed RTs. + +Default: 0.0050 + +**Number of extracted features for each reference feature** + +e.g. if the number is 2, the algorithm will extract the 2 experimental features closest to each reference feature. + + +------ +Output +------ + + +**Identified features** + +A tabular file with the columns: + +- name of the reference feature + +- number of the reference feature in the input file: Reference features + +- number of the experimental feature in the input files: Features List and Detailed features + +- number of identifications= the number of reference features each experimental feature has been attributed to; target = 1 + +- m/z value of the reference feature + +- m/z value of the experimental feature + +- difference of m/z values + +- RT of the reference feature + +- RT of the experimental feature + +- difference of RT + +- signal of the experimental feature + + + + + + + + + + + + +