compute_activity        Compute activity statuses of variables using
                        SPCA
compute_module_trait_correlations
                        Compute Pearson's correlations between clinical
                        traits and sparse or classic eigengenes
compute_variable_trait_correlations
                        Compute variable–trait correlations
insight_correlations_lollipop
                        Lollipop plot of variable-trait correlations
                        and SPCA-weighted correlations
insight_correlations_reconstruct
                        Reconstruct module-trait correlations from top
                        contributing variables
insight_correlations_sign_changes
                        Visualize variable-trait correlations and
                        negative SPCA weights
insight_weights_lollipop
                        Compare SPCA variable weights between two
                        groups
plot_activity_bar       Plot variable activity statuses as a stacked
                        barplot
plot_activity_bubble    Plot variable activity statuses as a bubble
                        chart
plot_explained_variance
                        Plot explained variance in modules as a heatmap
plot_lambdas            Plot SPCA sparsity and explained variance
                        across different lambda values
plot_module_heatmaps    Plot module correlation heatmaps and sparsified
                        heatmaps
plot_module_trait_correlations
                        Plot module-trait correlations for sparse and
                        classic eigengenes
plot_sparsity           Plot percentage of inactive variables
                        (sparsity) across modules as a heatmap
seam                    seam: Sparse Eigengene Analysis of Modules
seam_demo               Simulated expression and trait data for two
                        groups and two modules
spca_all_modules        Perform SPCA across groups and modules
spca_all_modules_grid   Perform SPCA across groups and modules with
                        module-specific sparsity
