letter.it {RSEIS}

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)

  }