R/nmr_dataset_peak_table.R
sub-.nmr_dataset_peak_table.RdExtract parts of an nmr_dataset_peak_table
# S3 method for nmr_dataset_peak_table
[(x, i)an nmr_dataset_peak_table object
indices of the samples to keep
an nmr_dataset_peak_table with the extracted samples
Other subsetting functions:
[.nmr_dataset_1D(),
[.nmr_dataset(),
filter.nmr_dataset_family(),
nmr_pca_outliers_filter()
dir_to_demo_dataset <- system.file("dataset-demo", package = "AlpsNMR")
dataset <- nmr_read_samples_dir(dir_to_demo_dataset)
dataset_1D <- nmr_interpolate_1D(dataset, axis = c(min = -0.5, max = 10, by = 2.3E-4))
meta <- file.path(dir_to_demo_dataset, "dummy_metadata.xlsx")
metadata <- readxl::read_excel(meta, sheet = 1)
dataset_1D <- nmr_meta_add(dataset_1D, metadata = metadata, by = "NMRExperiment")
metadata <- list(external = dataset_1D[["metadata"]][["external"]])
peak_table <- nmr_data(dataset_1D)
new <- new_nmr_dataset_peak_table(peak_table, metadata)
new[0]
#> An nmr_dataset_peak_table (0 samples, and 45653 peaks)