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The syntax or the way we write the CORREL function is as follows: =CORREL(array1, array2) Thus, you determine the correlation between the two product sales for the previous 4 months.īefore we move on to a real example of calculating rolling correlation in Excel, let’s first learn the syntax of the CORREL function. To make your work easier, you utilized the CORREL function. So you want to calculate the rolling correlation of the two products for 4 months.

And this report shows the number of sales for each product over 10 months. Suppose we have a sales report for two different products.

Let’s take a sample scenario wherein we need to calculate rolling correlation in Excel. But, we can easily perform this using the built-in function in Excel. And this would usually be a long and difficult process that would be prone to mistakes. And a rolling correlation is a type of correlation between two different time series on a rolling window.Īdditionally, a rolling correlation is beneficial when we want to visualize the correlation between two different time series over time. However, we will focus on the rolling correlation. When we measure and relate the variance of each variable, the correlation will indicate the strength of the relationship between the two variables.įurthermore, there are many types of correlations. So a correlation measure the linear relationship between two variables. In this case, we will focus on performing a rolling correlation in Excel. For example, Excel is an excellent tool to use for correlation analysis. Since it has several built-in tools and functions, Excel is a popular tool for statistical calculations and data analysis.

However, the function will support cells with zero values. The CORRE function ignores inputted arguments containing text, logical values, or empty cells.The rules for using the CORREL function in Excel are the following: How to Calculate Rolling Correlation in Excel.A Real Example of Calculating Rolling Correlation in Excel.