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# What is a matrix chart?

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A matrix chart is a visual grouping of two, three or four types or categories of information. The matrix shows how each piece of information is connected to the others signified by arrows or lines connecting each group.

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A matrix chart can be illustrated with several different shapes, such as the L, T, Y, C, X and roof-shaped charts. They connect groups of information with color codes, while a legend distinguishes each group from the others. The matrix chart's purpose is to show order of importance between groups, how groups interact or are related, roles or duties of each group, strengths and weaknesses of each component and relevant measurements of each group.

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## Related Questions

• A:

An embedded chart is a chart that is placed on a worksheet as opposed to on a separate chart sheet when using a spreadsheet software package. Embedded charts play an instrumental role in viewing or printing a chart or a PivotChart report using its source data or other information.

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• A:

The difference between graphs and charts is mainly in the way the data is compiled and the way it is represented. Graphs are usually focused on raw data and showing the trends and changes in that data over time. Charts are best used when data can be categorized or averaged to create more simplistic and easily consumed figures.

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• A:

A covariance matrix is a P*P matrix with elements from a vector of random variables. The element in the position i, j is the given covariance between the ith and jth elements. The covariance matrix can also be referred to as the variance-covariance matrix or the dispersion matrix. The concept of covariance matrix enhances the general idea of variance in multiple dimensions.