log Transformation of Lab Measurements Use the drop-down menu to select the transformation to be applied to the baseline and experimental measurements. Options are listed in the following table: Summary Statistic Definition None • Applies no transformation to the observed values. Log2 • Calculates and reports the log 2 value for each of the observations. Log10 • Calculates and reports the log 10 value for each of the observations. To Specify the Transformation to Be Applied: Use the drop-down menu to select the desired transformation.