[R] Calculate LC50

[Eik Vettorazzi]

Have a look at the drc-package.

btw. a linear model does not fit your data very well.

Cheers.


Am 22.02.2018 um 08:20 schrieb AbouEl-Makarim Aboueissa:
> Dear All: good morning
> 
> 
> I need helps with the calculation of the *LC50*  from the data below
> 
> 
> x<-c(0,0.3,0.7,1,4,10)
> y<-c(100,86,65,51.3,19.2,7.4)
> 
> yxreg<-lm(y~x)
> 
> 
> any help will be highly appreciated.
> 
> 
> with many thanks
> abou
> ______________________
> 
> 
> *AbouEl-Makarim Aboueissa, PhD*
> 
> *Professor of Statistics*
> 
> *Department of Mathematics and Statistics*
> *University of Southern Maine*
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
Eik Vettorazzi

Department of Medical Biometry and Epidemiology
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