Update Variable Information in a mass_dataset Object — update_variable

This function updates the variable_info and variable_info_note slots of a mass_dataset object. It ensures that the columns in variable_info are consistent with the names in variable_info_note.

Usage

update_variable_info(object)

Arguments

object: A mass_dataset object whose variable_info and variable_info_note slots you want to update.

Value

A mass_dataset object with updated variable_info and variable_info_note slots.

Author

Xiaotao Shen xiaotao.shen@outlook.com

Examples

data("expression_data")
data("sample_info")
data("variable_info")
object <- create_mass_dataset(
  expression_data = expression_data,
  sample_info = sample_info,
  variable_info = variable_info
)
updated_md <- update_variable_info(object)
head(extract_variable_info(updated_md))
#>     variable_id        mz        rt
#> 1 M136T55_2_POS 136.06140  54.97902
#> 2    M79T35_POS  79.05394  35.36550
#> 3  M307T548_POS 307.14035 547.56641
#> 4  M183T224_POS 183.06209 224.32777
#> 5   M349T47_POS 349.01584  47.00262
#> 6  M182T828_POS 181.99775 828.35712
head(extract_variable_info_note(updated_md))
#>          name     meaning
#> 1 variable_id variable_id
#> 2          mz          mz
#> 3          rt          rt