R: Add letters to the corners of plots in multiple figures

letter.it {RSEIS} | R Documentation

## Add letters to the corners of plots in multiple figures

### Description

Add letters to the corners of plots in multiple figures

### Usage

    letter.it(a, corn = 1)

### Arguments

`a` | character letter for marking figure
`corn` | corner to put letter in

### Details

Can use uppercase or lower case letters, or roman numerals.

### Value

Graphical Side Effects

### Author(s)

Jonathan M. Lees<jonathan.lees.edu>

### Examples

    par(mfrow=c(2,2))
    for(i in 1:4)
    {
    x  <-  1:10
    y  <-  rnorm(10)
    plot(x,y)
    letter.it(letters[i], 2)

      }

[Package RSEIS version 3.7-4 Index]