We should choose different type of trendline based on the type of the data and we could check the reliability of trendline by the R-squared value (near or at 1 is excellent). Trendline in Excel has the following six types: Linear, Logarithmic, Polynomial, Power, Exponential, and Moving average. Create charts with trendline, error bars, data table, and data labels in C# using Spire.XLS.The following three parts are included in this article: So in this article, I’m going to give you a detailed introduction about trendline, error bars and then I’ll show you how to use free Spire.XLS to create excel charts with trendline, error bars, data table and data labels in C#. And those chart elements are also widely ignored by programmers when they create charts. However, the default charts created by Excel might not contain those excellent tools such as trendline, error bars, and data tables in chart, which are often ignored by most of users though those analysis tools are boosts to display data. Using charts, we are able to understand huge data and their relationships easily for charts can visualize and present raw data via line, pie, bar, area, scatter.
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