add_scan_info: add scan level info
| add_scan_info | R Documentation |
add scan level info
Description
add scan level info
Usage
add_scan_info(mzml_data)
Arguments
mzml_data |
the MSnbase mzml data object |
Details
returns a data.frame with:
-
scanIndex: the indices of the scans -
scan: the number of the scan by number. This will be used to name scans. -
polarity: +1 or -1 depending on if the scan is positive or negative -
rtime: the retention time or injection time of the scan for for direct-injection data -
tic: the total intensity of the scan -
rtime_lag: how long between this scan and previous scan -
rtime_lead: how long between this scan and next scan
After running predict_frequency(), the following fields are added
from the information returned from frequency conversion:
-
mad: mean absolute deviation of residuals -
frequency model coefficients: the coefficients from the fit frequency, named whatever you named them -
mz model coefficients: similar, but for the m/z model
Value
data.frame, see Details
