Re: st: finding incorrectly entered data

[Phil Schumm <pschumm@uchicago.edu>]

On Jun 15, 2011, at 3:04 PM, Michael Eisenberg wrote:
> I have a list of several thousand patients with a lab test and days  
> from the test recorded.  I'd like to be able to analyze the days  
> from test data as a continuous variable.  Unfortunately, some of the  
> data in the days from lab test are not numeric and have odd  
> characters (e.g. ?, +-5, na, etc).  See below.  Thus, I cannot run  
> any summary statistics on it.
>
> I cannot manually look through all the data due to the number of men  
> to find the nonnumeric data.  Is there a way I can have stata  
> somehow flag the rows with nonnumeric data?


    destring daysfromtest, gen(foo) force
    tab daysfromtest if mi(foo)


-- Phil

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