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st: -graph bar, over()- question and bug report


From   Friedrich Huebler <huebler@rocketmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: -graph bar, over()- question and bug report
Date   Tue, 12 Aug 2003 12:16:57 -0700 (PDT)

How can I emphasize some of the groups in a -graph bar, over()-
graph? I have graphs similar to one produced with these commands:

. sysuse uslifeexp
. drop if year>1910
. graph bar le_w le_b, over(year) stack

Let's assume I want to emphasize the years 1902 to 1905. As far as I
know, none of the following ideas can be implemented in Stata.

- Draw the labels for 1902 to 1905 in a different color. This idea is
my personal favorite but -relabel(# "text")- has no option for
specifying the color of the text.
- Add a horizontal line from 1902 to 1905 (horizontal y lines cross
the entire graph).
- Add two vertical lines, one to the left of 1902 and one to the
right of 1905 (vertical lines cannot be added).

I would appreciate any suggestions for adding emphasis to the years
1902 to 1905.

Now to the bug report. I thought about creating a vertical line with
the letters I or l but this leads to an error message.

. graph bar le_w le_b, over(year) stack text(2 18 "I" 2 55 "I")
invalid syntax
r(198);

The same error message appears when the letters i, j, or l are used.
That resulting graph has only the bars without any labels. I did not
test the entire alphabet but most other letters appear to work. I can
create a vertical line with the character used to indicate "or" in
Stata commands but I would rather not use the -text- option because
the correct coordinates depend on things like legend position and
size that are not fixed.

Friedrich Huebler

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