end-of-course grades. In the elementary grades, a student could receive one
of 4 marks. When I add the normal curve to the plot, it begins with the
midpoint of the first category but ends at the end of the last category. Is
there a way I can either begin the normal curve at the beginning of the
first category or end the normal curve at the midpoint of the last category?
Here’s the code I’m using to generate the graph (STATA 8.2 SE on
Windows XP):
histogram elemlartnum if (gr_jun03_sasi=="01" & elemlartnum>=0 &
elemlartnum<=3),
discrete frequency normal gap(5)
bcolor(ltbluishgray)
blcolor(black) blwidth(vvvthin)
ylabel(, labels angle(horizontal))
xlabel(0 "Unsatisfactory" 1 "Satisfactory" 2 "Good" 3 "Excellent")
xtitle(First Graders' End-of-Year Language Arts Course Grades)
xscale(titlegap(4))
name(G1lartgrades, replace) scheme(s2manual);
graph export d:\g1lartgrades.emf;
Thank you.
Joseph McCrary
1101 Ivywood Lane, Apt. 301
Towson, MD 21286
(443) 527-6290 (ph)
(443) 267-0151 (fax)
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