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plate count statistics again

Ronan O'Kennedy Ronan.okennedy at ucg.ie
Mon Dec 11 16:31:37 EST 1995


There have been a few posts recently to this list regarding the use 
of log transformation of plate counts to determine errors. I'm 
wondering how this would effect the errors on a proportion 
determined from a differential plate (eg an X-gal plate for 
calculation of the proportion of Bgal+ plasmid-containing colonies). 
I have always thought that the errors on these data are binomially 
distributed. 

regards
Ronan O'Kennedy



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