Data Smoothing

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Definition of 'Data Smoothing'

Data smoothing is a technique used to reduce noise in a time series of data points by averaging adjacent points. This can be done by calculating a moving average, which is the average of a set of data points, or by using a weighted moving average, which gives more weight to more recent data points.

Data smoothing is often used to make data more visually appealing and easier to understand. It can also be used to improve the accuracy of predictions by removing random fluctuations from the data.

There are a number of different methods for data smoothing. The most common method is to calculate a moving average. A moving average is calculated by taking the average of a set of data points, and then moving the window of data points one point to the right. This process is repeated until all of the data points have been included in the moving average.

Another method for data smoothing is to use a weighted moving average. A weighted moving average gives more weight to more recent data points. This can be useful for data that is changing rapidly, as it will help to keep the moving average up-to-date.

Data smoothing can be a useful tool for improving the accuracy of predictions and making data more visually appealing. However, it is important to be aware of the potential for bias when using data smoothing techniques.

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