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st: Σχετ: st: Σχετ: st: ploting the time series of a variable when specific conditions are satisfied
From
Tzaloupas Dimitrov <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: Σχετ: st: Σχετ: st: ploting the time series of a variable when specific conditions are satisfied
Date
Tue, 5 Feb 2013 17:29:23 +0000 (GMT)
Sorry, I had a problem with the previous email . This is the correct one
Thanks NIck for your promt reply. Yes, you are right. I need to notify Stata that I have monthly data.
In order to simplify the problem i did that
gen dummy1 = overall == "RR"
gen dummy2 = specific == "kk2"
gen dummy3=1 if dummy1==1 & dummy2==1
keep if dummy3==1
So this gives me the following matrix
UK RR kk2 01/03/2001 .
UK RR kk2 01/04/2001 3.6
UK RR kk2 01/05/2001 8
US RR kk2 01/03/2001 8.56
US RR kk2 01/04/2001 0.5
US RR kk2 01/05/2001 2.25
But here comes the problem. I need to construct and identifier, something like
1 UK RR kk2 01/03/2001 .
1 UK RR kk2 01/04/2001 3.6
1 UK RR kk2 01/05/2001 8
2 US RR kk2 01/03/2001 8.56
2 US RR kk2 01/04/2001 0.5
3 US RR kk2 01/05/2001 2.25
Having done that I will be able to notify Stata that I have monthly series
Regards,
Tzaloupas
----- Αρχικό μήνυμα -----
Απο: Tzaloupas Dimitrov <[email protected]>
Προς: "[email protected]" <[email protected]>
Κοιν.:
Στάλθηκε: 6:24 μ.μ. Τρίτη, 5 Φεβρουαρίου 2013
Θέμα: st: Σχετ: st: ploting the time series of a variable when specific conditions are satisfied
Thanks NIck for your promt reply. Yes, you are right. I need to notify Stata that I have monthly data.
In order to simplify the problem i did that
gen dummy1 = overall == "RR"
gen dummy2 = specific == "kk2"
gen dummy3=1 if dummy1==1 & dummy2==1
keep if dummy3==1
So this gives me the following matrix
UK RR kk2 01/03/2001 .
UK RR kk2 01/04/2001 3.6
UK RR kk2 01/05/2001 8
US RR kk2 01/03/2001 8.56
US RR kk2 01/04/2001 0.5
US RR kk2 01/05/2001 2.25
But here comes the problem. I need to construct and identifier, something like
1 UK RR kk2 01/03/2001 .
1 UK RR kk2 01/04/2001 3.6
1 UK RR kk2 01/05/2001 8
2 US RR kk2 01/03/2001 8.56
2 US RR kk2 01/04/2001 0.5
3 US RR kk2 01/05/2001 2.25
but I do not know how to do that. Having done
----- Αρχικό μήνυμα -----
Απο: Nick Cox <[email protected]>
Προς: [email protected]
Κοιν.:
Στάλθηκε: 6:09 μ.μ. Τρίτη, 5 Φεβρουαρίου 2013
Θέμα: Re: st: ploting the time series of a variable when specific conditions are satisfied
Your problems mostly come towards the end.
1. As these are panel data, -tsset- must specify a panel too.
2. You have said that these are daily data presented as DMY, but they
look like monthly data in disguise.
3. Assigning a monthly format to daily data will not change it to
monthly data, as I often point out on this list. See e.g. the thread
starting at
http://www.stata.com/statalist/archive/2013-01/msg01346.html
Nick
On Tue, Feb 5, 2013 at 4:58 PM, Tzaloupas Dimitrov
<[email protected]> wrote:
> I have an excel file which I import into Stata. The files contains the following information
>
>
> country Overall specific Dates inflation
> UK 0 0 01/01/2001 2.05
> UK 0 0 01/02/2001 1.52
> UK 0 0 01/03/2001 6.6
> UK 0 0 01/04/2001 8.5
> UK 0 0 01/05/2001 6.6
> UK RR kk1 01/01/2001 6.9
> UK RR kk1 01/02/2001 0.5
> UK RR kk2 01/03/2001 .
> UK RR kk2 01/04/2001 3.6
> UK RR kk2 01/05/2001 8
> US 0 0 01/01/2001 7.69
> US 0 0 01/02/2001 .
> US 0 0 01/03/2001 4.558
> US 0 0 01/04/2001 4.69
> US 0 0 01/05/2001 8.56
> US RR kk1 01/01/2001 7.58
> US RR kk1 01/02/2001 8.69
> US RR kk2 01/03/2001 8.56
> US RR kk2 01/04/2001 0.5
> US RR kk2 01/05/2001 2.258
>
>
> In the above example I have the evolution of inflation (last column) for 2 countries (UK and US). The dots in the last column mean "NaN"
>
> I want to plot the evolution of the inflation for each country when this condition is satisfied: Overall==RR & Specific==kk2
>
> So, I am interested in this part
>
> UK RR kk2 01/03/2001 .
> UK RR kk2 01/04/2001 3.6
> UK RR kk2 01/05/2001 8
> US RR kk2 01/03/2001 8.56
> US RR kk2 01/04/2001 0.5
> US RR kk2 01/05/2001 2.258
>
> I have been trying some codes but I am stuck
>
> For example
>
>
> gen dummy1 = overall == "RR"
> gen dummy2 = specific == "kk2"
> gen dummy3=1 if dummy1==1 & dummy2==1
> gen edate1 = date(Dates, "DMY")
> format edate1 %tm
> tsset edate1
> but I get this error message
>
> repeated time values in sample
> r(451);
>
>
> My real matrix is 40000 by 25 as I have many different countries and longer times series of monhtly data.
>
>
> I use the 64 bit version of Stata 11.
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that I suppose it is much easier to notify Stata about my monthly data
Any suggestions on how to create this identifier?
Regards,
tzaloupas
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* http://www.ats.ucla.edu/stat/stata/