st: re: the future of statistical computing

[Kit Baum <kitbaum@mac.com>]

<>
Timothy wrote

----------------
x <- 0:10
y <- c(1,1,1,1.5, 2,3,4,4,4.5,5,98)
y2 <- c(0,0,0.5,1.5,2,1.5,2,4,8,9,9)
plot(x,y,type="b",ylim=c(0,10), xlab="This is the number of days \n  
since a particular day")
lines(x,y2,type="b",col="red")
legend(0,10,legend=c("Line 1","Line 2 is really long. So I'd like",  
"to split it into two lines"),col=c("black","red","white"),lwd=1)
-----------------

I can run that with no problem in R. I do wonder, though, what it  
means to have a vertical line segment for series y beyond the last  
graphed point. I think it might be more sensible to graph only those  
values which you want to see:

-----------------
clear
mata: mata clear
mata
st_matrix("y",(1,1,1,1.5, 2,3,4,4,4.5,5,98)')
st_matrix("y2",(0,0,0.5,1.5,2,1.5,2,4,8,9,9)')
end
set obs 11
g x = _n - 1 in 1/10
svmat y
svmat y2
twoway conn y1 y21 x if !mi(x), xti("This is the number of days"  
"since a particular day") ///
lcolor(black red) msymb(Oh Oh) leg(ring(0) pos(10) col(1) lab(1 "Line  
1") ///
lab(2 "Line 2 is really long." "So I'd like to split it into two  
lines"))
----------------

As you can see it is no problem to split either axis labels or legend  
keys into multiple lines. That is, I believe, a recent enhancement to - 
graph-. It doesn't look much more complicated to produce the Stata  
graph than the R graph.

Kit

Kit Baum, Boston College Economics and DIW Berlin
http://ideas.repec.org/e/pba1.html
An Introduction to Modern Econometrics Using Stata:
http://www.stata-press.com/books/imeus.html


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