rating.prob {RVAideMemoire}

Observed rating frequencies

Description

Computes observed rating frequencies per level of a factor, in various formats.

Usage

rating.prob(x, g, type = c("prob", "cumprob", "class"))

Arguments

x

ordered factor (ratings).

g

factor giving groups to be compared.

type

type of output to be returned: "prob" (default) gives frequency of each rating, "cumprob" gives cumulative frequencies (Fi is frequence of ratings <= i) and "class" gives the most frequent rating.

Author(s)

Maxime HERVE <[e-mail]>

Examples

require(ordinal)
data(wine)

# Frequencies
rating.prob(wine$rating,wine$contact:wine$temp)

# Cumulative frequencies
rating.prob(wine$rating,wine$contact:wine$temp,type="cumprob")

# Most frequent rating
rating.prob(wine$rating,wine$contact:wine$temp,type="class")