byf.normhist

a formula of the form <code>a ~ b</code> where <code>a</code> gives the data values and <code>b</code> a factor giving the corresponding groups.

formula

an optional data frame containing the variables in the formula <code>formula</code>. By default the variables are taken from <code>environment(formula)</code>.

data

Draw on the same histogram of a numeric variable a histogram per level of a factor, and add the normal distribution line of each level.

This package contains diverse more or less complicated functions, written to simplify user's life: simplifications of existing functions, basic but not implemented tests, easy-to-use tools, bridges between functions of different packages... All functions are presented in the French book 'Aide-memoire de statistique appliquee a la biologie', written by the same author and available on CRAN.

byf.normhist: Histogram and normal distribution for factor levels

Description

Usage

Arguments

Examples