st: graph matrix bug

["Andrzej Tomaszewski" <tomaszewski@wne.uw.edu.pl>]

Dear all,

I found that graph matrix reports error when it is run with some variables  
(I have noticed it only with integer variables), and then all is working  
after generating new variable equal to the troublesome one (with the same  
or different data type).
I have reported the bug on the Stata Users Meeting in Berlin earlier this  
year and according to his answer I've sent an e-mail to Alan Riley at  
StataCorp, but I haven't got any answer to that one.
I hoped that it will be dealt with in the next large update, but in the  
update of 18 May 2004 (admittedly large and very useful for me) the  
problem is persistent.
Please find below the code with use of exemplary dataset based on  
"Regression analysis by example" by S. Chatterjee, A.S. Hadi and B. Price.

Best regards,
Andrzej Tomaszewski

-
log:

. use http://www.wne.uw.edu.pl/tomaszewski/xy.dta, clear

. d y x1 x2

              storage  display     value
variable name   type   format      label      variable label
-------------------------------------------------------------------------------
y               int    %8.0g                  Y
x1              int    %8.0g                  X1
x2              int    %8.0g                  X2

. graph matrix y x1 x2
invalid syntax
invalid syntax
invalid syntax
r(198);

. gen int y1=y

. graph matrix y1 x1 x2
<beautiful graph - AT>
. gen float y2=y

. graph matrix y2 x1 x2
<again beautiful graph - AT>
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