[R] Plot math symbol with string and number

[cpoiw@rt m@iii@g oii chemo@org@uk]

On 2020-08-17 03:13, Rasmus Liland wrote:
> On Sun, Aug 16, 2020 at 3:18 PM Bert wrote:
> | On Sun, Aug 16, 2020, 14:53 John wrote:
> | |
> | | I would like to make plots with
> | | titles for different data sets and
> | | different parameters. The first
> | | title doesn't show sigma as a math
> | | symbol, while the second one
> | | doesn't contain the s value as a
> | | numeric value
> | |
> | | s <- 1
> | | y <- rnorm(100)
> | | plot(y, main=paste("data", "sigma=", s))
> | | plot(y, main=expression(paste("data", sigma,"=", s)))
> |
> | ?plotmath
> 
> Dear John, read ?plotmath, it is good, I
> was not aware of its existence; then
> backquote s like so:
> 
> 

Plotmath seems to be the right way to do it.  But without reading 
plotmath I'd have gone with this:

plot(y, main=paste("data", "\u03C3=", s))