Reading ANSWER TREE .atp files with SPSS 18

[lp326]

I have an old version of SPSS (14) at work and a separate package for decision trees (Answer Tree 3.1) which produces .atp files.
I have sent these files to colleagues who have version SPSS 18 which has decision tress built in rather than in a separate suite. They cannot read .atp files , is there any way they can be made to do so?

Many thanks in advance for your help,

Best wishes
Luigi

[David Marso]

What does this .atp file look like if you open it in notepad/wordpad/vi or whatever text editor.
Does it appear to be something which a set of human eyeballs can make sense of or is it some sort of binary gibberish.  If the former then post an example of said text file (please a simple model, not one with a bajillion predictors) and maybe SWPIM can help make sense of how one might translate such into SPSS compute/if/blah blah blah.  

[Jon K Peck]

atp files are binary and cannot be read by SPSS Statistics.

Jon Peck
Senior Software Engineer, IBM
[hidden email]
new phone: [phone]




From:        David Marso <[hidden email]>
To:        [hidden email]
Date:        07/11/2011 11:53 PM
Subject:        Re: [SPSSX-L] Reading ANSWER TREE .atp files with SPSS 18
Sent by:        "SPSSX(r) Discussion" <[hidden email]>

---

What does this .atp file look like if you open it in notepad/wordpad/vi or
whatever text editor.
Does it appear to be something which a set of human eyeballs can make sense
of or is it some sort of binary gibberish.  If the former then post an
example of said text file (please a simple model, not one with a bajillion
predictors) and maybe SWPIM can help make sense of how one might translate
such into SPSS compute/if/blah blah blah.

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