nmr_ppm_resolution {AlpsNMR} | R Documentation

## PPM resolution of the spectra

### Description

The function gets the ppm resolution of the dataset using the median of the difference of data points.

### Usage

    nmr_ppm_resolution(nmr_dataset)

    ## S3 method for class 'nmr_dataset'
    nmr_ppm_resolution(nmr_dataset)

    ## S3 method for class 'nmr_dataset_1D'
    nmr_ppm_resolution(nmr_dataset)

### Arguments

`nmr_dataset` | An object containing NMR samples

### Value

Numeric (the ppm resolution, measured in ppms)

### See Also

Other nmr_dataset functions: `[.nmr_dataset()`, `format.nmr_dataset()`, `load_and_save_functions`, `new_nmr_dataset()`, `nmr_interpolate_1D()`, `nmr_meta_add()`, `nmr_meta_export()`, `nmr_meta_get_column()`, `nmr_meta_get()`, `nmr_read_samples()`, `print.nmr_dataset()`, `validate_nmr_dataset()`

Other nmr_dataset_1D functions: `[.nmr_dataset_1D()`, `computes_peak_width_ppm()`, `file_lister()`, `files_to_rDolphin()`, `format.nmr_dataset_1D()`, `is.nmr_dataset_1D()`, `load_and_save_functions`, `new_nmr_dataset_1D()`, `nmr_align_find_ref()`, `nmr_baseline_removal()`, `nmr_baseline_threshold()`, `nmr_exclude_region()`, `nmr_integrate_regions()`, `nmr_interpolate_1D()`, `nmr_meta_add()`, `nmr_meta_export()`, `nmr_meta_get_column()`, `nmr_meta_get()`, `nmr_normalize()`, `nmr_pca_build_model()`, `nmr_pca_outliers_filter()`, `nmr_pca_outliers_plot()`, `nmr_pca_outliers_robust()`, `nmr_pca_outliers()`, `plot.nmr_dataset_1D()`, `plot_webgl()`, `print.nmr_dataset_1D()`, `rdCV_PLS_RF_ML()`, `rdCV_PLS_RF()`, `save_files_to_rDolphin()`, `to_ChemoSpec()`, `validate_nmr_dataset_peak_table()`, `validate_nmr_dataset()`

### Examples

    nmr_dataset <- nmr_dataset_load(system.file("extdata", "nmr_dataset.rds", package = "AlpsNMR"))
    nmr_ppm_resolution(nmr_dataset)
    message("the ppm resolution of this dataset is ", nmr_ppm_resolution(nmr_dataset), " ppm")

    nmr_dataset <- nmr_dataset_load(system.file("extdata", "nmr_dataset.rds", package = "AlpsNMR"))
    nmr_ppm_resolution(nmr_dataset)
    message("the ppm resolution of this dataset is ", nmr_ppm_resolution(nmr_dataset), " ppm")

    nmr_dataset <- nmr_dataset_load(system.file("extdata", "nmr_dataset.rds", package = "AlpsNMR"))
    nmr_ppm_resolution(nmr_dataset)
    message("the ppm resolution of this dataset is ", nmr_ppm_resolution(nmr_dataset), " ppm")

[Package AlpsNMR version 3.2.3 Index]