residual difference expectation
residual difference expectation ratio
expectation and square difference method for prior
closed difference of height difference
difference in difference
difference in difference (DD) method
Difference-in-difference
log mean temperature difference; logarithmic mean temperature difference
logarithmic mean temperature difference; log mean temperature difference
temperature difference; logarithmic mean; log mean temperature difference
[mathematical] expectation
a period of expectation
Achievement expectation
aerodynamics experimentation
Against-Expectation Pattern
analysis on the expermentation