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st: RE: flagging significant values in a variable
From
Tim Evans <[email protected]>
To
"'[email protected]'" <[email protected]>
Subject
st: RE: flagging significant values in a variable
Date
Fri, 2 Mar 2012 10:14:09 +0000
Hi,
I did come up with a solution, but its probably not that clean, but it worked:
gen LCI3 = LCI if region==99
gen UCI3 = UCI if region==99
replace LCI3 = LCI3[_n-1] if missing(LCI3)
replace UCI3 = UCI3[_n-1] if missing(UCI3)
gen long flag=.
replace flag = 1 if LCI> UCI3 & region!=99
replace flag = 2 if UCI<LCI3 & region!=99
replace flag = 0 if flag==. & region !=99
label define sig_test 0 "Not sig" 1 "Sig higher" 2 "Sig lower"
label values flag sig_test
drop UCI3 LCI3
sort region
list end - flag
+---------------------------------------------------+
| end rate LCI UCI region flag |
|---------------------------------------------------|
1. | 5 0.9727 0.9583 0.9849 1 Not sig |
2. | 5 0.9713 0.9523 0.9867 2 Not sig |
3. | 5 0.9835 0.9667 0.9971 3 Not sig |
13. | 5 0.9790 0.9741 0.9836 99 . |
+---------------------------------------------------+
Is there a better way?
Best wishes
Tim
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Tim Evans
Sent: 02 March 2012 09:25
To: '[email protected]'
Subject: st: flagging significant values in a variable
Hi,
I have a dataset that has variables of rates, LCI and UCI for a number of regions in addition to a national average (rate, LCI, UCI) so that it looks like this:
rate LCI UCI region
0.9727 0.9583 0.9849 1
0.9713 0.9523 0.9867 2
0.9835 0.9667 0.9971 3
0.9790 0.9741 0.9836 99
What I would like to do is generate a flag beside each row that will flag up entries where they are significantly higher (1) or lower (2) or not significantly different (0) to region 99 - I'm unsure as to the code here and would appreciate any advice. I'm using Stata 11.2.
Best wishes
Tim
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