On Feb 6, 2013, at 4:53 PM, Rolf Turner wrote:
>
> Perhaps you want to look at
>
> ?plotmath
>
> cheers,
>
> Rolf Turner
Definitely ... he _will_ want to look at ?plotmath, but there is a lot on that
page and teh parts that explain the parsing of expressions were not at all
clear to me in hte beginning. Some of us find it's better to learn from
examples and since he has already constructed a perfectly fine one hten here's
my effort at making it "work":
library(UsingR)
BagA = c(rep(10,6),rep(20,5), rep(30,4),rep(40,3),rep(50,2),60,70)
BagA
BagB = c(10, 20,rep(30,2),rep(40,3),rep(50,4),rep(60,5),rep(70,6))
BagB
par(mfrow = c(2, 1))
DOTplot(BagA)
abline(v=60,lwd=2,lty=2,col="red")
text(65,3, expression(alpha*"-->"), col=2)
abline(v=50, lwd=2, lty=2, col="blue")
text(57,5, "p-value------->", col="blue")
DOTplot(BagB)
abline(v=60,lwd=2,lty=2,col="red")
text(55,3, expression("<--"*beta), col=2)
par(mfrow = c(1, 1))
>
> On 02/07/2013 11:41 AM, David Arnold wrote:
>> Hi,
>>
>> I'd like to add "alpha" in latex code to my image. Any suggestions?
>>
>> library(UsingR)
>> BagA = c(rep(10,6),rep(20,5), rep(30,4),rep(40,3),rep(50,2),60,70)
>> BagA
>> BagB = c(10, 20,rep(30,2),rep(40,3),rep(50,4),rep(60,5),rep(70,6))
>> BagB
>>
>> par(mfrow = c(2, 1))
>> DOTplot(BagA)
>> abline(v=60,lwd=2,lty=2,col="red")
>> text(65,3, "alpha-->", col=2)
>> abline(v=50, lwd=2, lty=2, col="blue")
>> text(57,5, "p-value------->", col="blue")
>> DOTplot(BagB)
>> abline(v=60,lwd=2,lty=2,col="red")
>> text(55,3, "<--beta", col=2)
>> par(mfrow = c(1, 1))
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
David Winsemius
Alameda, CA, USA
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