[Kst] [Bug 224202] fit linear plugin doesn't work when one or more points are not valid

[Andrew Walker]

https://bugs.kde.org/show_bug.cgi?id=224202


Andrew Walker <arwalker at sumusltd.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID




--- Comment #1 from Andrew Walker <arwalker sumusltd com>  2010-01-25 20:01:17 ---
The linear fit, as expected, does not work for vectors with NaN values.

The weighted linear fit works only in that the NaN value's contriubution to the
fit is driven to zero by the corrresponding NaN weight. Attempting a weighted
linear fit with a NaN value and corresponding non-NaN weight will also "not
work".

All of this is expected behaviour.

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