khatereh Posted June 23, 2012 Posted June 23, 2012 I have some data with defined standard error. I should calculate the ln() of each data. do you know what would be the error of new data?
studiot Posted June 23, 2012 Posted June 23, 2012 If y = ln(x) What is dy/dx What therefore is delta_y in terms of delta_x Can you relate delta_y and delta_x to standard errors?
Bioc Posted June 24, 2012 Posted June 24, 2012 hum, as far as I know this kind of transformation is to obtain a linear graph, so dy/dx should be the slope. No idea what would happen to the error, tough.
khatereh Posted June 24, 2012 Author Posted June 24, 2012 If y = ln(x) What is dy/dx What therefore is delta_y in terms of delta_x Can you relate delta_y and delta_x to standard errors? sorry, I can not follow it. should i use the derivative of the function to calculate the error for each data?
Robert Oppenheimer Posted June 27, 2012 Posted June 27, 2012 Am I the only one who finds the question very ambiguous? Could you perhaps quote the exact question?
khatereh Posted July 5, 2012 Author Posted July 5, 2012 Am I the only one who finds the question very ambiguous? Could you perhaps quote the exact question? I want to find the error for each lnk.
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