score_fun {xcms} | R Documentation |
A similarity scoring function for MS/MS spectra against a reference.
score_fun(ref, exp, ppmval)
ref |
An array of numbers for the refference |
exp |
An array of numbers for the test |
ppmval |
Error to match to in ppm |
A simple scoring function to score two arrays of numbers and give a percentage match between the two. Uses a a distance and similarity matrix score system. When the two scores are calculated the percentage score is calculated from the theoritical maximum score and the theoritical minimum score.
score |
Percentage score between the two arrays |
H. Paul Benton, hpbenton@scripps.edu
H. Paul Benton, D.M. Wong, S.A.Strauger, G. Siuzdak "XCMS^2:" Analytical Chemistry 2008