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st: RE: Adding Shaded Areas to Time Series Graph
From
Nick Cox <[email protected]>
To
"'[email protected]'" <[email protected]>
Subject
st: RE: Adding Shaded Areas to Time Series Graph
Date
Thu, 9 Feb 2012 18:12:18 +0000
I don't have access to 10.1 on this machine, which is not a Macintosh. I am using Stata 12.1.
We don't have your data and it is difficult to guess at an analogue without knowing anything about them.
But
1. The syntax -twoway function ..., range(varname1 varname2)- is not explicitly supported although it is indulged. There are two explicit syntaxes, -range(# #)- and -range(varname)-. I don't know how you expect -twoway function- to behave with this syntax. With a simple experiment
clear
set obs 100
gen x1 = _n
gen x2 = x1 + 50
twoway function 42, range(x1 x2)
twoway function 42, range(x1 x2) recast(area
I find that the range of -x2- is used and that -recast(area)- works as expected.
2. In another experiment linked experiment this worked without problems:
gen t = ym(2000,12) + _n
tsset t, monthly
tsline x2 t, tlabel(2000m1(12)2010m1, format(%tm!2!0YY))
Here the explicitly specified limits for the labels are beyond the data limits.
Nick
[email protected]
[email protected]
I've been trying to get the following code to work using the latest version of Stata 10 on Mac OS X. I have the following problems:
First, each area plot is displayed only as a line at the end of the specified range rather than the area itself.
Second, the tlabel option on the last line works fine, but what I really want for the t-axis option is tlabel(2000m1(12)2008m1, format(%tm!2!0YY) labsize(small)). Unfortunately, Stata says that 2000m1 is an invalid name and I don't understand why.
set scheme lean1
tsset service_date_month, monthly
twoway function y=0.3, range(epiccare_start epiccare_end) recast(area) color(gs12) || ///
function y=0.3, range(reg_bill_start reg_bill_end) recast(area) color(gs12) || ///
tsline GIM_99201 if tin(2002m5, 2007m8), ///
title("CPT Code 99201 Trend" "May 2002 - August 2007" ///
"General Internal Medicine", size(medium)) ///
subtitle("") ///
ytitle("Proportion") ///
xtitle("Year") ///
ylabel(0(0.1)0.3, labsize(small)) ///
legend(off) ///
lpattern(solid) ///
tlabel(, format(%tm!2!0YY) labsize(small))
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