Facilitate Analysis of Proteomic Data from Olink

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Documentation for package ‘OlinkAnalyze’ version 5.0.0

Help Pages

assign_subject2plate assign subject to a plate for longitudinal randomization
check_library_installed Help function to check if suggested libraries are installed when required.
check_npx Check NPX data format
clean_npx Clean proteomics data quantified with Olink's PEA technology
manifest Example Sample Manifest
norm_internal_adjust Combine reference and non-reference datasets
norm_internal_adjust_not_ref Add adjustment factors to a dataset
norm_internal_adjust_ref Modify the reference dataset to be combined with the non-reference normalized dataset
norm_internal_assay_median Compute median value of the quantification method for each Olink assay
norm_internal_bridge Internal bridge normalization function
norm_internal_cross_product Internal function normalizing Olink Explore 3k to Olink Explore 3072
norm_internal_reference_median Internal reference median normalization function
norm_internal_rename_cols Update column names of non-reference dataset based on those of reference dataset
norm_internal_subset Internal subset normalization function
norm_internal_update_maxlod Update MaxLOD to the maximum MaxLOD across normalized datasets.
npx_data1 NPX Data in Long format.
npx_data2 NPX Data in Long format, a follow-up.
olink_anova Function which performs an ANOVA per protein.
olink_anova_posthoc Function which performs an ANOVA posthoc test per protein.
olink_boxplot Function which plots boxplots of selected variables
olink_bridgeability_plot Plots for each bridgeable assays between two products.
olink_bridgeselector Bridge selection function
olink_bridge_selector Bridge selection function
olink_color_discrete Olink color scale for discrete ggplots
olink_color_gradient Olink color scale for continuous ggplots
olink_displayPlateDistributions Plot distributions of a given variable for all plates
olink_displayPlateLayout Plot all plates colored by a variable
olink_display_plate_dist Plot distributions of a given variable for all plates
olink_display_plate_layout Plot all plates colored by a variable
olink_dist_plot Function to plot the NPX distribution by panel
olink_fill_discrete Olink fill scale for discrete ggplots
olink_fill_gradient Olink fill scale for continuous ggplots
olink_format_oid_no_overlap Retrieve non-overlapping assays between two NPX datasets
olink_format_rm_ext_ctrl Remove negative controls and plate controls from dataset. For use in olink_normalization_format function. Generates a message stating which control samples were removed.
olink_heatmap_plot Function to plot a heatmap of the NPX data
olink_iqr Compute inter-quartile range (IQR) of multiplied by a fixed value
olink_lmer Function that performs a linear mixed model per protein.
olink_lmer_plot Function which performs a point-range plot per protein on a linear mixed model
olink_lmer_posthoc Function which performs a linear mixed model posthoc per protein.
olink_lod Calculate LOD using Negative Controls or Fixed LOD
olink_median Compute median of quantified value
olink_median_iqr_outlier Compute outliers based on median +/- iqr_sd * IQR
olink_normalization Normalize two Olink datasets
olink_normalization_bridge Bridge normalization of all proteins between two NPX projects.
olink_normalization_bridgeable Identify if assays shared between Olink Explore 3072 and Olink Explore HT can be bridged
olink_normalization_format Format the output of olink_normalization for seamless use with downstream analysis functions.
olink_normalization_n Bridge and/or subset normalization of all proteins among multiple NPX projects.
olink_normalization_qs Quantile smoothing normalization of all proteins between two NPX projects.
olink_normalization_subset Subset normalization of all proteins between two NPX projects.
olink_norm_input_assay_overlap Check <datasets> and <reference_medians> for Olink identifiers not shared across datasets.
olink_norm_input_check Check inputs of 'olink_normalization' function.
olink_norm_input_check_df_cols Check columns of a list of datasets to be normalized.
olink_norm_input_check_samples Check reference samples to be used for normalization
olink_norm_input_class Check classes of input in olink_normalization function
olink_norm_input_clean_assays Check <datasets> and <reference_medians> for unexpected Olink identifiers or excluded assays
olink_norm_input_cross_product Check if bridge or cross-platform normalization
olink_norm_input_norm_method Check <datasets> and <reference_medians> for Olink identifiers not shared across datasets.
olink_norm_input_ref_medians Check datasets of <reference_medians>
olink_norm_input_validate Validate inputs of normalization function
olink_norm_product_id Identify names of product for each project
olink_norm_reference_id Identify reference project.
olink_one_non_parametric Function which performs a Kruskal-Wallis Test or Friedman Test per protein
olink_one_non_parametric_posthoc Function which performs posthoc test per protein for the results from Friedman or Kruskal-Wallis Test.
olink_ordinalRegression Function that performs a two-way ordinal analysis.
olink_ordinalRegression_posthoc Function which performs an posthoc test per protein.
olink_ordinal_regression Function that performs a two-way ordinal analysis.
olink_ordinal_regression_posthoc Function which performs an posthoc test per protein.
olink_osi_dist_plot OSI distribution plot
olink_pal Olink color panel for plotting
olink_pathway_enrichment Performs pathway enrichment using over-representation analysis (ORA) or gene set enrichment analysis (GSEA)
olink_pathway_heatmap Creates a heatmap of proteins related to pathways using enrichment results from 'olink_pathway_enrichment'.
olink_pathway_visualization Creates bargraph of top/selected enrichment terms from GSEA or ORA results from 'olink_pathway_enrichment'
olink_pca_plot Function to plot a PCA of the data
olink_plate_randomizer Randomly assign samples to plates
olink_qc_plot Function to plot an overview of a sample cohort per Panel.
olink_ttest Function which performs a t-test per protein
olink_umap_plot Function to make a UMAP plot from the data
olink_volcano_plot Easy volcano plot with Olink theme
olink_wilcox Function which performs a Mann-Whitney U Test per protein
read_NPX Read Olink data in R.
read_npx Read Olink data in R.
set_plot_theme Function to set plot theme