Now, fill in the dialog box that appears as shown in Figure 2. Select the Correlogram option and click on the OK button. Press Ctr-m and choose the Time Series option (or the Time S tab if using the Multipage interface). How do you create a Correlogram in Excel? In other words, it measures the self-similarity of the signal over different delay times. The autocorrelation function (ACF) defines how data points in a time series are related, on average, to the preceding data points (Box, Jenkins, & Reinsel, 1994). What is the use of autocorrelation function? ![]()
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