Now that you know what the TREND function is and what it does, let's put it to use. Luckily, Excel has incorporated this method into its TREND function. One of the most popular methods of calculating a trend is the least square method. The trend line shows you if your series is going upwards or downwards, and with what slope is it going in that direction.Ĭalculating trends is time-consuming, and prone to human error. With the trend line, you can see where your data is headed and predict the value for a given time. You can use trends to get a projected value. The only way a trend line can go through every value is when your values are in a straight line already. A trend line is a straight line that best fits your series of data, and though it's likely that it won't be passing through every input, it's the closest a line can be to all the values in your series. You can use a trend line to visualize a trend. This is mostly used in the case of time series, where a parameter's value is displayed for given times.
In statistics, a trend is an upwards or downwards straight line that shows where a series of data is headed to. In this article, we'll cover what a trend is, how to use the TREND function and visualize it, and how to calculate a trend's slope in Excel.
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