|Clarification on .5 log
Mar 25, 2006
You answered me on March 18th with this, "If you went from 100,000 to 32,000 that would be a 0.5 log reduction (5 - 4.5 log) and so on". I am unable to tie mathematically back to 32,000 with 4.5 log. This seems to be an example number and not a number one can actually calculate from 5 log to 4.5 log. Is one supposed to guesstimate based on the median between the abosolute copies while comparing back to the absolute log number whether you are within a .5 log or not of the range? e.g. 100,000....32,000..10,000 = passes the .5 threshold. Can one also deduce that there is .2 log or .4 log or the smallest fraction is .5?
| Response from Dr. Holodniy
You can't do this in your head. It is a direct mathematical relationship that can be done with most pocket calculators. For instance, log (100,000) = 5, or log (32,000) = 4.5. You just punch the number in and hit log and the logrithmic number is provided.
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