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Re: st: roctg


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: roctg
Date   Thu, 10 May 2012 08:20:37 +0100

No new ideas. The author of the program is the next person to
approach. They would almost certainly want to see a copy of the
dataset you are using to see if your problem can be reproduced.

Nick

On Thu, May 10, 2012 at 5:14 AM, Sid Trivedi <s.trivedi@auckland.ac.nz> wrote:
> Thanks for the reply Nick. Apologies for not following protocol. The user-written program was sourced as with the reference you mentioned below.
>
> I have now acquired full administrative access however still cannot run the command.
> The error post __000003 not found, r(111), still shows up.
>
> Any new ideas would be appreciated
>
> Sid
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox

> -roctg- is a user-written program from SJ. Please remember that you
> are asked to explain where user-written programs you refer to come
> from.
>
> SJ-2-4  st0025  . . . . . . . . .  Two-graph receiver operating characteristic
>        (help roctg if installed) . . . . . . . . . . . . .  M. E. Reichenheim
>        Q4/02   SJ 2(4):351--357
>        command for visualizing sensitivity and specificity curves
>        according to the range of values of a new diagnostic test,
>        given a "true" state of an event, the reference test
>
> -roctg- is trying to -post- results to a temporary file and failing.
> My guess is that you are working in a directory or folder, perhaps on
> a server, in which you have no write permission, i.e. you cannot
> create new files.
>
> Nick
>
> On Tue, May 8, 2012 at 6:26 AM, Sid Trivedi <s.trivedi@auckland.ac.nz> wrote:
>
>> I am trying to graph sens/spec versus cut off values using the roctg command
>>
>> Var 1 is binary
>> Var 2 continuous
>>
>> Previous tabulation using the roctab command generated 50 cut off values
>>
>> roctg var1 var2, cont interval (50)
>>
>> Gives me, post __000003 not found
> *

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