R: Join class for histogram

join.freq {agricolae} | R Documentation

## Join class for histogram

### Description

In many situations it is required to join classes because of the low .frequency in the intervals. In this process, it is required to join the intervals and ad the .frequencies of them.

### Usage

    join.freq(histogram, join)

### Arguments

`histogram` | Class graph.freq
`join` | vector

### Value

`histogram` | Class graph.freq

### Author(s)

Felipe de Mendiburu

### See Also

`polygon.freq`, `table.freq`, `stat.freq`, `intervals.freq`, `sturges.freq`, `graph.freq`, `ogive.freq`, `normal.freq`

### Examples

    library(agricolae)
    data(natives)
    # histogram
    h1<-graph.freq(natives$size,plot=FALSE)
    round(table.freq(h1),4)
    # Join classes  9, 10,11 and 12 with little frequency.
    h2<-join.freq(h1,9:12)
    # new table
    plot(h2,col="bisque",xlab="Size")
    round(summary(h2),4)

[Package agricolae version 1.2-6 Index]