bkg_subtract fails with negative background stderr

oscarbranson / latools

Tools for the reproducible reduction of LA-ICPMS data.

http://latools.readthedocs.io

MIT License

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Closed adburnham closed 5 years ago

adburnham commented 5 years ago

uncertainties on backgrounds should never be negative...

oscarbranson commented 5 years ago

Negative value occurred because of use of extrapolation outside valid x values in background interpolation.

Replaced extrapolation with first/last value repetition, now fixed in dev.