View source: R/mrs_data_proc.R
ppm | R Documentation |
Return the ppm scale of an MRS dataset or fit result.
ppm(x, ft = NULL, ref = NULL, fs = NULL, N = NULL)
## S3 method for class 'mrs_data'
ppm(x, ft = NULL, ref = NULL, fs = NULL, N = NULL)
## S3 method for class 'fit_result'
ppm(x, ft = NULL, ref = NULL, fs = NULL, N = NULL)
x |
MRS dataset of fit result. |
ft |
transmitter frequency in Hz, does not apply when the object is a fit result. |
ref |
reference value for ppm scale, does not apply when the object is a fit result. |
fs |
sampling frequency in Hz, does not apply when the object is a fit result. |
N |
number of data points in the spectral dimension, does not apply when the object is a fit result. |
ppm scale.
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