One of the missing values in x2 might contain the invalid character for
a numeric variable -'-. I would check the obs reported missing.
Daniel
> Two problems about stata graphing function.
>
> 1. It is much slower than version 7, which is probablydue to
> its calling of
> ado files.
> 2. Some problems with graph matrix?
>
> I want graph matrix of a set of variables, and I used both
> graph7 ...,
> matrix and graph matrix, but the graph matrix didn't work.
> It seems to be
> related to a particular variable, but I don't see why.
>
> **************************************************************
> **********
> . graph7 x1 x2 x3 x4, matrix
>
> . graph matrix x1 x2 x3 x4, half
> 2795' invalid name
> invalid syntax
> invalid syntax
> r(198);
>
> . des x1 x2 x3 x4
>
> storage display value
> variable name type format label variable label
> --------------------------------------------------------------
> -----------------
> x1 byte %9.0g
> x2 int %9.2f
> x3 int %9.0g
> x4 float %9.0g
>
> . sum female mcit3 cit9 fel
>
> Variable | Obs Mean Std. Dev. Min Max
>
> -------------+--------------------------------------------------------
> x1 | 308 .3474026 .4769198 0
> 1
> x2 | 306 20.95098 26.26862 0
> 133
> x3 | 308 21.07143 25.8195 0
> 214
> x4 | 308 3.190877 .9872379 1
> 4.77
> *************************************************************
>
> It seems there is some problems related to x2 as I played aroudn with
> different variable set, but don't see why. Need your help
> and thansk in
> advanced.
>
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