![]() Not the most elegant of solutions (and some steps can be linked -for clarity shown separately) but it works. For time and Ĭopy this data using "Value" only in the paste option to yet another column. In the next columns use the flag to get the original co-ordinates to display The unit of assessment is normally the bank branch. This should produce a column of data that corresponds to the peaks. Abstract Data envelopment analysis (DEA) is a linear-programming-based method for assessing the performance of homogeneous organizational units and is increasingly being used in banking. Next do a column for the gradient change giving a "flag" of 1 for a positive to negative or zero inflection ,1,0) To do this some logical operators are used.Ĭonsider data starting at column A row 5 for time and Column B row 5 for first data value.Ĭreate a column which has the value minus the previous value. You then need to see where the is a change in gradient from +ve to -ve. For a decaying oscillation such as this or a damped pendulum, the decay envelope can be found by looking at the difference between each sampled reading.
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