SNRxcms {IDSL.IPA}

SNR xcms

Description

This function calculates S/N values using a method suggested in the xcms paper (Tautenhahn, 2008).

Usage

SNRxcms(int)

Arguments

int

a vector of intensities corresponding to the vector of retention times for the chromatographic peak.

Value

S/N value

References

Tautenhahn, R., Böttcher, C. and Neumann, S. (2008). Highly sensitive feature detection for high resolution LC/MS. BMC bioinformatics, 9(1), 1-16, doi:10.1186/1471-2105-9-504.

Examples

data(peak_spline)
int <- peak_spline[, 2]
SNRxcms(int)