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Re: st: more bizarre missing observations

From   Ernest Berkhout <[email protected]>
To   [email protected]
Subject   Re: st: more bizarre missing observations
Date   Thu, 09 Oct 2003 14:39:09 +0200

At 13:43 9-10-2003, you wrote:
I have a similar problem to Robert's in that I know for sure there are
missing data for a particular variable ('canter') but if I type

tab canter if canter==.

I am told there are 'no observations'

canter is stored as float but following Neil's suggestion still gives me 'no
observations'. Please can anyone tell me how I find out exactly how many
missing values there are?
What do you want Stata to tabulate? It looks for values to display in a table, but because it is restricted to missing values it doesn't find them.
It will work if you specify the option ", missing" at the end of the command. Though if you want to inspect the data I myself mostly use the "codebook" command. Or, if you have a whole list of variables, one can summarize and look at the N that is reported for each variable, and coompare that with the total N.

Ernest Berkhout
SEO Amsterdam Economics
University of Amsterdam

Room 3.08
Roetersstraat 29
1018 WB Amsterdam
The Netherlands

tel.:+ 31 20 525 1657
fax:+ 31 20 525 1686
A statistician: someone who insists
on being certain about uncertainty

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