[R] symbol in the plot

[gcheer3]

Joh, thank you very much. sorry for confusing you. I didn't make my question
clear.  I tried your code it looks much better than my original one. Just I
prefer I can write the greek letter delta1 and delta 2 instead of words
'delta1' and 'delta2'. Also, it will be nice if there is a square symbol
next to delta1 and a circle symbol next to delta 2, since sometimes I have
to print the graph in a white and black paper. Thanks for any suggestions.
Sorry for not asking question clearly.


Johannes Graumann-2 wrote:
> 
> How about
> 
> plot(sigma, delta1, ylim=range(-0.5, 2), xlab='sigma', ylab='delta',
> pch=22, 
> type='o')
> points(sigma, delta2, col='red', axes=FALSE, type='o')
> legend("topleft",c("Delta1","Delta2"),fill=TRUE,col=c("black","red"))
> 
> Send runnable example next time.
> 
> HTH, Joh
> 
> gcheer3 wrote:
> 
>> 
>> TO be specific, here is how I graphed
>> 
>> plot(sigma, delta1, ylim=range(-0.5, 2), xlab='sigma',
>> ylab='delta1--square delta2--circle', pch=22, type='o')
>> par(new=TRUE)
>> plot(sigma, delta2, ylim=range(-0.5, 2), xlab='sigma',
>> ylab='delta1--square delta2--circle', col='red', axes=FALSE, type='o')
>> 
>> Thanks a lot
>> 
>> 
>> gcheer3 wrote:
>>> 
>>> a graph question. Thanks a lot in advance.
>>> 
>>> I made two scatterplots on one graph (sigma vs. delta1, sigma vs.
>>> delta2)
>>> (20 observations of delta1, delta2 and corresponding sigma) the x-axis
>>> is
>>> sigma, the y-axis is either delta1 or delta2. I connected both
>>> scatterplots. To seperate them, one curves is a line with circles, the
>>> other curve is a line with squares on it.
>>> 
>>> I want to make a notation either on the y-axis or on the graph. The
>>> notiaion is "delta1--square; delta2--circle". So when people look at the
>>> graph, they can easily tell each curve's meaning. The curve with squares
>>> on it means the sigma vs. delta1, and the curve with circles on it means
>>> sigma vs. delta2. I think I can use 'expression' to write delta1, delta2
>>> and sigma in greek letters, but I am not sure how to denote the square
>>> and cirle I graphed.
>>> 
>>
> 
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