Nothing
## -----------------------------------------------------------------------------
knitr::opts_chunk$set(
eval = FALSE, echo = TRUE
)
## -----------------------------------------------------------------------------
# library(pins)
#
# # Need to register as a board on R and have a specific token to access a public repository
# board_register_github(repo = "BrunoMiguelPereira/test_2d",
# token = "7ae9e5b34ae6417fc2a6cbb249acb90374430bef")
#
# tomato_dataset <- pin_get("tomato-2d", description = "A 2D dataset",
# board = "github")
#
## -----------------------------------------------------------------------------
# head(tomato_dataset$F1_ppm)
#
# head(tomato_dataset$F2_ppm)
#
## -----------------------------------------------------------------------------
# library(specmine)
#
# # Check if it is a valid specmine dataset
# check_2d_dataset(tomato_dataset)
## -----------------------------------------------------------------------------
# # Print some statistics
# sum_2d_dataset(tomato_dataset)
## -----------------------------------------------------------------------------
# # Check the number of samples
# num_samples(tomato_dataset)
## ---- fig.width=8, fig.height=8-----------------------------------------------
# # Plotting 2D dataset wihtout giving any information on a metadata variable or samples
# plot_2d_spectra(tomato_dataset, title_spectra = "2D tomato dataset (No information)")
## ---- fig.width=8, fig.height=8-----------------------------------------------
# # Plotting 2D dataset giving metadata variable but no samples
# plot_2d_spectra(tomato_dataset, title_spectra = "2D tomato dataset (Only metadata)", meta = "Factor.Value.Development.stage.")
## ---- fig.width=8, fig.height=8-----------------------------------------------
# # Plotting 2D dataset giving metadata variable and sample information
# plot_2d_spectra(tomato_dataset, title_spectra = "2D tomato dataset (Metadata and Samples)", meta = "Factor.Value.Development.stage.", spec_samples = c(1,2,20,21))
## ---- fig.width=8, fig.height=8-----------------------------------------------
# # Plotting 2D dataset without giving metadata variable but giving sample information
# plot_2d_spectra(tomato_dataset, title_spectra = "2D tomato dataset (Only samples)", spec_samples = c(1,2,20,21))
## -----------------------------------------------------------------------------
# # Example without giving a threshold
# reduced_tomato <- peak_detection2d(tomato_dataset, purp = "quantification")
## -----------------------------------------------------------------------------
# # Example giving a threshold
# reduced_tomato_th <- peak_detection2d(tomato_dataset, baseline_thresh = 50000)
## -----------------------------------------------------------------------------
# # Missing value imputation in order to perform PCA analysis
# reduced_tomato_mv <- missingvalues_imputation(reduced_tomato)
## -----------------------------------------------------------------------------
# # Performing PCA
# res_pca <- pca_analysis_dataset(reduced_tomato_mv)
## -----------------------------------------------------------------------------
# # Necessary step to make the metadata variable factor
# reduced_tomato_mv_factor <- convert_to_factor(reduced_tomato, "Factor.Value.Development.stage.")
## -----------------------------------------------------------------------------
# #Plotting PCA
# pca_scoresplot2D(reduced_tomato_mv_factor, res_pca, "Factor.Value.Development.stage.")
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