nclass.wand {siggenes} | R Documentation

## Number of cells in a histogram

### Description

Computes the number of cells in a histogram using the method of Wand (1994).

### Usage

       nclass.wand(x, level = 1)

### Arguments

`x` | numeric vector of observations.
`level` | integer specifying the number of levels of functional estimation used in the estimation. For details, see the help page of `dpih` from the package KernSmooth.

### Details

`nclass.wand` calls `dpih`, and then computes the number of cells corresponding to the optimal bin width returned by `dpih`.

### Value

A numeric value specifying the number of cells for the histogram of `x`.

### References

Wand, M.P. (1997). Data-based choice of histogram bin width. American Statistician, 51, 59–64.

### See Also

`denspr`

[Package siggenes version 1.62.0 Index]