Randomizing without repeating the same word twice

[David McFarlane]

Gilis,

Stock reminder:  1) I do not work for PST.  2) PST's trained staff 
takes any and all questions at 
http://support.pstnet.com/e%2Dprime/support/login.asp , and they 
strive to respond to all requests in 24-48 hours -- this is pretty 
much their substitute for proper documentation, so make full use of 
it.  3) If you do get an answer from PST Web Support, please extend 
the courtesy of posting their reply back here for the sake of others.

That said, here is my take...

"Randomization with constraints" is very tricky in E-Prime, and has 
been discussed extensively on the message boards.  Try searching for 
"random", "pseudorandom", or "constraint" both here at the Google 
Group and at the PST Forum.  Also see the "NoRepeat" examples 
downloadable fron PST.  And again, do not neglect PST Support, they 
would love to hear from you.

-- David McFarlane, Professional Faultfinder
"For a successful technology, reality must take precedence over 
public relations, for nature cannot be fooled."  (Richard Feynman, 
Nobel prize-winning physicist)


>Sorry for bothering the groups so often, but I just tackled a road
>stone in my programming. Words are selected from an attribute which
>contain 10 words and lied in a block that is nested in the main list.
>The words are selected randomly in the block but the list run the
>block 20 times (at list so I weighted the block in the main list
>though it doesn't seem to run it 20 times, which is another
>problem...) so it happen that the same word repeat itself twice (e.g.,
>food, apple, juice, fork, spoon, orange, sandwich, beach, ocean,
>river, river: in this instance river appeared last in the first time
>the block was run and first in the second so it actually repeated
>itself)  -how can I avoid that?

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