log scale

  1. E

    Can you Generating Meaningful Confidence Intervals from logarithmic data?

    Hi, could somebody with an advanced understanding of statistics please point me in the right direction? I have a question relating to the interpretation of confidence intervals generated from data demonstrating a logarithmic distribution on excel. As a disclaimer, this is 'getting into the...
  2. R

    log(0) should have a real value!!!

    Dear all, I’ve been stuck for quite some time with a problem that relates to use of log-scale with values that equal zero. My data comes from an experiment in which five different instruments (one of them using the reference method) take two measurements of a given sample’s signal...
  3. O

    Help with fitting linear models and F-tests in R?

    Hello! I need some assistance with these problems dealing with the following data set: "Brains" <- structure(list(Species = structure(c(7, 11, 12, 19, 24, 25, 26, 34, 37, 8, 3, 20, 30, 6, 36, 23, 15, 9, 18, 28, 32, 35, 39, 14, 31, 38, 27, 5, 4, 21, 2, 13, 10, 17, 22, 33, 29, 1, 16)...