The toolbar facilitates the calculation of the level of correlation between two time history curves.The correlation level result is between 0 and 1 depending on the level of matching.Correlation can be calculated either between curves that have been read/created in META or to results defined in the control file.Correlation Analysis is performed between one or more pair sets of curves which are generally defined in time.The correlation between both curves is calculated within the time window [tmin, tmax] which is called the interval of evaluation.The correlation is calculated either according to CORA using a combination of several metrics:the corridor correlation rating andthe cross correlation ratingor according to ISO18571