Re: [R] log transformation and mean question

2011-05-12 Thread Ted Harding
On 12-May-11 15:15:00, 1Rnwb wrote: > I have question about log2 transformation and performing mean > on log2 data. I am doing analysis for ELISA data. the OD values > and the concentration values for the standards were log2 > transformed before performing the lm. the OD values for samples > were l

[R] log transformation and mean question

2011-05-12 Thread 1Rnwb
I have question about log2 transformation and performing mean on log2 data. I am doing analysis for ELISA data. the OD values and the concentration values for the standards were log2 transformed before performing the lm. the OD values for samples were log2 transformed and coefficients of lm were a