fiftn80 {mixdist}

A Mixed Data with Fifteen Normal Components

Description

Fifteen normal components grouped over eighty intervals.

The fiftn80 data frame has 80 rows and 2 columns.

Usage

data(fiftn80)

Format

This data frame contains the following columns:

x

the boundaries of grouping intervals.

freq

the frequencies of observation falling into each interval.

Details

A total of 820 observations were generated by computer to follow the distribution 1/15 N(5, 1) + 1/15 N(10, 1) + ... + 1/15 N(75, 1) where N(m, s) denotes a normal distribution with mean m and standard deviation s.

Source

http://www.math.mcmaster.ca/peter/mix/demex/ex1580.html

Examples

data(fiftn80)
plot.mixdata(fiftn80)