Seasonality and Trend Forecast with Regression in Excel

In our last article, we discussed Seasonality in Financial Modeling and Analysis. We went over an example Excel model of calculating a forecast with seasonality indexes. Today we will use regression analysis in Excel to forecast a data set with both seasonality and trend. Let’s look at the quarterly sales revenue of the electronic cameras […]

Introduction to Seasonality in Financial Analysis and Modeling

Seasonality is a characteristic of time-series where the data has predictable and somewhat regular fluctuations that repeat year over year. It is safe to assume that any pattern of data changes over one-year periods represents seasonality. It is usually driven by weather or commercial seasons. We have to differentiate the term from cyclical data, as […]