Random errors :-) [Was: Random number question?]

Discussion in 'Computing' started by Phred, Jun 23, 2004.

  1. Phred

    Phred Guest

    I dudded myself in a similar way 30 years ago using FORTRAN on a DEC
    System-10. I decided to print out a series of random number sets for
    use in the field when I escaped once more from academia, and when I
    came to use the sets a year or two later I discovered they were all
    the same sequence of numbers! Another fine example of the
    consequences of ignoring the injunction to RTFM. :cool:

    Another trap I caught myself with as a result of more confidence than
    competence was in randomising a set of 10 individuals of each of 30
    species into a fully random field design (i.e. no blocking).

    I allocated each randomly chosen species/individual to a sequential
    field position and wondered why I ended up with a preponderance of one
    or two species at the end of the paddock! In its simplest form, what
    I *should* have done was allocate a randomly chosen field position to
    each species/individual combination.

    Cheers, Phred.
    Phred, Jun 23, 2004
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