UKTC Archive

Re: Estimating urban above ground biomass in Camden

Subject: Re: Estimating urban above ground biomass in Camden
From: Bill Anderson
Date: Jun 28 2018 13:02:30
Congratulations for having read it; I barely understand a word of it......

On 28 June 2018 at 12:36, Jon Heuch <jh@xxxxxxxx.co.uk> wrote:

Heteroskedacticity

Heteroscedasticity



Well he might if he could spell it



I will forgive the k but the second error is just wrong.



Anyone who has undertaken regression analysis or analysis of variance
should
have been told that one of the assumptions of your data is
homoscedasticity..which you need to check before you press the
button....it's one reason for erroneous "statistic" significant results.





Jon






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