pOverA {genefilter} | R Documentation |

## A filter function to filter according to the proportion of
elements larger than A.

### Description

A function that returns a function with values for `A`

, `p`

and `na.rm`

bound to the specified values. The function takes a
single vector, `x`

, as an argument.
When the returned function is evaluated it returns `TRUE`

if the
proportion of values in `x`

that are larger than `A`

is at
least `p`

.

### Usage

pOverA(p=0.05, A=100, na.rm=TRUE)

### Arguments

`A` |
The value to be exceeded. |

`p` |
The proportion that need to exceed `A` for `TRUE`
to be returned. |

`na.rm` |
If `TRUE` then `NA` 's are removed. |

### Value

`pOverA`

returns a function with bindings for `A`

, `p`

and `na.rm`

. This function evaluates to `TRUE`

if the
proportion of values in `x`

that are larger than `A`

exceeds
`p`

.

### Author(s)

R. Gentleman

### See Also

`cv`

### Examples

ff<- pOverA(p=.1, 10)
ff(1:20)
ff(1:5)

[Package

*genefilter* version 1.8.0

Index]