False positives False positives

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Thread: False positives

  1. #1

    More fingers than teeth

    TimberWolf is too good to be a permie

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    Default False positives

    The Inland Revenue have a new machine that can detect IR35-caught contractors. It's good, at 90% accurate (10% false positives). As the machine scans this years self-assessment papers 3,000 contractors are tested and the first 30 escape detection, while the 31st fails. How sure are you that this person is due a lengthy legal battle?

  2. #2

    Godlike

    chef is a permanent contractor

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    what machine?
    The proud owner of 125 Xeno Geek Points

  3. #3

    Richer than sasguru

    DimPrawn is a fount of knowledge

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    I've no idea what this is about.
    I was miserable and depressed, but CUK turned it all around. Now I'm depressed and miserable.

  4. #4

    The beerded one

    EternalOptimist is NOT a disguised employee

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    Quote Originally Posted by DimPrawn View Post
    I've no idea what this is about.
    i do.
    he forgot one bit of info, the proprtion of caught contractors
    (\__/)
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  5. #5

    More fingers than teeth

    TimberWolf is too good to be a permie

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    Quote Originally Posted by chef View Post
    what machine?
    It's okay, it's fictional.

  6. #6

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    Quote Originally Posted by TimberWolf View Post
    It's okay, it's fictional.
    That's not a very funny proposition to be putting to members of this board.

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  7. #7

    I Am Legend

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    Quote Originally Posted by TimberWolf View Post
    The Inland Revenue have a new machine that can detect IR35-caught contractors. It's good, at 90% accurate (10% false positives). As the machine scans this years self-assessment papers 3,000 contractors are tested and the first 30 escape detection, while the 31st fails. How sure are you that this person is due a lengthy legal battle?
    All 31 face a lengthy legal battle.

    HTH

  8. #8

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    thunderlizard is too good to be a permie


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    Quote Originally Posted by TimberWolf View Post
    The Inland Revenue have a new machine that can detect IR35-caught contractors. It's good, at 90% accurate

    Current PCG stats: 1462 wins, 6 losses

    I've got a similar machine that's more than 90% accurate. It's a piece of paper with "No" written on it.

  9. #9

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    Quote Originally Posted by TimberWolf View Post
    It's okay, it's fictional.

    Are you sure about that ?

    Is this perhaps related to ScotsPine's Prime Number Generator computer - has this been leaked to Hector ?

    If Hector manages to calculate the incalculable there could well be trouble ahead ... look out for IR666 .
    Last edited by AlfredJPruffock; 20th August 2009 at 11:23.

  10. #10

    Super Tramp

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    Quote Originally Posted by TimberWolf View Post
    The Inland Revenue have a new machine that can detect IR35-caught contractors. It's good, at 90% accurate (10% false positives). As the machine scans this years self-assessment papers 3,000 contractors are tested and the first 30 escape detection, while the 31st fails. How sure are you that this person is due a lengthy legal battle?
    Statistics aren't your thing, are they?

    What about false negatives?

    And 30 in 3000 is 1%, not 10%.

    I think evidence provided by this machine would be thrown out of court as being too bollocks-dependant.

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