http://www.nuff.ox.ac.uk/Users/Doornik/doc/ox/oxclass.htm#Database::Load
says
"LoadDta creates the database and loads the specified Stata (version 4--6)
data file from disk."
Might it be that Load() is the wrong function? Or does it figure it out?
The calling sequence for LoadDta is longer than that for Load, as that URL
shows.
Kit Baum
--On Fri, Feb 11, 2000 10:20 -0500 Bill Frechete <[log in to unmask]> wrote:
> I am simply trying to load data from stata and although it does load the
> data, there are missing observations. Here is the program:
>
> #include <oxstd.h>
> #import <packages/dpd/dpd>
> #import <database>
>
> main()
> { decl dpd = new DPD(), time = timer(), x;
>
> dpd.Load("c:/corruption/data/stata/corr_causesox.dta"); // load
> data
> dpd.SetYear("year"); //
> specify years
> dpd.SetIndex("id");
> // specify countries
>
> dpd.Info();
> // print sum stat
>
> delete dpd;
> }
>
> Here is the output:
>
> Ox version 2.10 (Windows) (C) J.A. Doornik, 1994-99
> This version may be used for academic research and teaching only
> DPD package version 1.0, object created on 11-02-2000
>
>
> ---- Database information ----
> 14 variables, 2130 observations
>
> name sample period min mean max stddev
> year 1 (1) 2130 (1) 82 89.657 97 4.3933
> y 1 (1) 83 (1) 9.695 13.609 18.547 1.4934
> pop 1 (1) 2035 (1) 11.923 16.059 20.928 1.6106
> ss 2 (1) 14 (1) 90.2 106.85 136.5 11.837
> area 1 (1) 171 (1) 10.625 11.955 13.399 0.88241
> corr 1 (1) 2130 (1) -10 -5.6758 0 2.3744
> pol 1 (1) 82 (1) 1 1.061 2 0.23929
> civil 1 (1) 82 (1) 1 1.0854 2 0.27943
> dist 1 (1) 3 (1) 2.969 2.969 2.969 0
> id 1 (1) 2130 (1) 1 74.722 149 42.685
> family 1 (1) 2035 (1) 1 3.9671 5 0.9816
> import 1 (1) 38 (1) 0.17884 0.24781 0.31035 0.030418
> export 2 (1) 7 (1) 0.039135 0.12161 0.41902 0.13368
> partnery 4 (1) 12 (1) 11.726 13.255 14.128 0.68605
>
> If I ask STATA to summarize the data, her is what I get:
>
> Variable | Obs Mean Std. Dev. Min Max
> ---------+-----------------------------------------------------
> year | 2130 89.65681 4.394375 82 97
> y | 1769 5.297616 5.062108 .197 24.322
> pop | 2093 16.06303 1.59084 11.92251 20.92798
> ss | 1551 60.15261 32.07468 3 148.3
> area | 1993 11.24692 1.636897 5.806339 13.79322
> corr | 2130 -5.675822 2.374974 -10 0
> pol | 1714 3.750875 2.199164 1 7
> civil | 1714 3.867561 1.915454 1 7
> dist | 1334 5.922201 2.420195 1.267 11.518
> id | 2130 74.72207 42.69479 1 149
> family | 2035 3.967076 .9818395 1 5
> import | 1347 .3028844 .2457959 .0288647 2.007614
> export | 1205 .1935729 .2871115 .0002192 2.774533
> partnery | 1557 14.02016 4.420062 .936 20.049
>
> Clearly, these are not the same. Does somebody know what's going on?
>
> Thanks in advance
>
> g
>
> ********** Please do not reply to this address **********
> ******** use [log in to unmask] ********
> ************************ Thank you **********************
>
-----------------------------------------------------------------
Kit Baum [log in to unmask] http://fmwww.bc.edu/ec-v/baum.fac.html
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|