do_pca: Do PCA analysis

In ricoderks/lipidomics: Lipidomics workflow

Do PCA analysis

Description

Do a quick PCA analysis.

Usage

do_pca(
  lipid_data,
  observations = c("all", "samples"),
  normalization = c("raw", "tot_area"),
  num_pc = 5,
  scaling = c("none", "uv", "pareto"),
  transformation = c("none", "log10")
)

Arguments

lipid_data	tibble in tidy format
observations	which observations to show
normalization	what normalization to use, none (raw data) or total area normalization
num_pc	number of prinicpal components to calculate (default is 5)
scaling	how to scale the data
transformation	what transformation to use

Value

a list with scores, loadings and explained variance

Author(s)

Rico Derks

ricoderks/lipidomics documentation built on Nov. 10, 2024, 2:30 a.m.