v9.5
Got a graph that generates line correctly, but there are 17,000 daily data points on xaxis. Having trouble changing the point numbers into observation dates. Have done this before, but somehow cannot get this to work now.
What would be the best way to convert to dates. Data runs from Jan 3, 1950 to July 11, 2017.
Thanks.
changing obs label from numbers to dates
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 Fe ddaethom, fe welon, fe amcangyfrifon
 Posts: 11776
 Joined: Tue Sep 16, 2008 5:38 pm
Re: changing obs label from numbers to dates
here's a screen shot I'm using 750 as !ssize
Range:1/03/19507/12/2017
Sample: 8/27/2014 7/11/2017
Dependent Variable: SER04
Method: ARMA Maximum Likelihood (BFGS)
Date: 07/17/17 Time: 15:17
Sample: 8/27/2014 2/16/2015
Included observations: 124
Convergence achieved after 5 iterations
Coefficient covariance computed using outer product of gradients
Variable Coefficient Std. Error tStatistic Prob.
C 9.658535 44.57378 0.216686 0.8288
SER03 0.995401 0.018784 52.99110 0.0000
AR(1) 0.168267 0.095990 1.752962 0.0822
SIGMASQ 107.2947 8.996658 11.92607 0.0000
Rsquared 0.956006 Mean dependent var 2370.496
Adjusted Rsquared 0.954906 S.D. dependent var 49.58510
S.E. of regression 10.52954 Akaike info criterion 7.578205
Sum squared resid 13304.55 Schwarz criterion 7.669181
Log likelihood 465.8487 HannanQuinn criter. 7.615161
Fstatistic 869.2166 DurbinWatson stat 2.020548
Prob(Fstatistic) 0.000000
Inverted AR Roots .17
Range:1/03/19507/12/2017
Sample: 8/27/2014 7/11/2017
Dependent Variable: SER04
Method: ARMA Maximum Likelihood (BFGS)
Date: 07/17/17 Time: 15:17
Sample: 8/27/2014 2/16/2015
Included observations: 124
Convergence achieved after 5 iterations
Coefficient covariance computed using outer product of gradients
Variable Coefficient Std. Error tStatistic Prob.
C 9.658535 44.57378 0.216686 0.8288
SER03 0.995401 0.018784 52.99110 0.0000
AR(1) 0.168267 0.095990 1.752962 0.0822
SIGMASQ 107.2947 8.996658 11.92607 0.0000
Rsquared 0.956006 Mean dependent var 2370.496
Adjusted Rsquared 0.954906 S.D. dependent var 49.58510
S.E. of regression 10.52954 Akaike info criterion 7.578205
Sum squared resid 13304.55 Schwarz criterion 7.669181
Log likelihood 465.8487 HannanQuinn criter. 7.615161
Fstatistic 869.2166 DurbinWatson stat 2.020548
Prob(Fstatistic) 0.000000
Inverted AR Roots .17

 Fe ddaethom, fe welon, fe amcangyfrifon
 Posts: 11776
 Joined: Tue Sep 16, 2008 5:38 pm
changing obs label from numbers to dates
That appears to be equation output
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Re: changing obs label from numbers to dates
My graph output is in attached .wf1
Hope you can open it.
Only thing I can't figure out is how to change to observation dates.
Thanks.
Hope you can open it.
Only thing I can't figure out is how to change to observation dates.
Thanks.
 Attachments

 results screenview.WF1
 (910.52 KiB) Downloaded 36 times

 Fe ddaethom, fe welon, fe amcangyfrifon
 Posts: 11776
 Joined: Tue Sep 16, 2008 5:38 pm
Re: changing obs label from numbers to dates
I assume you're talking about the matrix object, results.
Matrices do not have dates or a time dimension.
You'll have to convert it to series. You can use the mtos command for that.
Matrices do not have dates or a time dimension.
You'll have to convert it to series. You can use the mtos command for that.
Follow us on Twitter @IHSEViews
Re: changing obs label from numbers to dates
Yes, using matrix called "results". Thanks for suggestion. Will try later today.
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