vis_contribs {SONO} | R Documentation |
Visualise Contribution Matrix
Description
Function producing a visualisation of the matrix of variable contributions. The user can choose to plot just a subset of the data (for instance the outliers), as well as scale the scores if needed.
Arguments
contribs_mat |
Matrix of variable contributions. Must be of class |
subset |
Subset of observations for which the variable contribution matrix will be plotted. |
scale |
Optional scaling parameter; defaults to "none" for no scaling. Possible options are "row", with each row being divided by its sum or "max", where each element of the matrix is divided by the maximum element. |
Value
Plot
Examples
dt <- as.data.frame(sample(c(1:2), 100, replace = TRUE, prob = c(0.5, 0.5)))
dt <- cbind(dt, sample(c(1:3), 100, replace = TRUE, prob = c(0.5, 0.3, 0.2)))
dt[, 1] <- as.factor(dt[, 1])
dt[, 2] <- as.factor(dt[, 2])
colnames(dt) <- c('V1', 'V2')
sono_out <- sono(data = dt,
probs = list(c(0.5, 0.5), c(1/3, 1/3, 1/3)),
alpha = 0.01,
r = 2,
MAXLEN = 0,
frequent = FALSE)
vis_contribs(contribs_mat = sono_out[[3]], subset = c(1:50), scale = "row")
[Package SONO version 1.2 Index]