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ClassesSummarize Method

Groups the occurrences contained in data matrix of binary (dichotomous) data. This operation can be reversed using the Expand(Int32, Int32, Int32, Int32) method.

Namespace:  Accord.Statistics
Assembly:  Accord.Math (in Accord.Math.dll) Version: 3.8.0
Syntax
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public static int[][] Summarize(
	this int[][] data,
	int groupIndex,
	int yesNoIndex
)
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Parameters

data
Type: SystemInt32
A data matrix containing at least a column of binary data.
groupIndex
Type: SystemInt32
Index of the column which contains the group label name.
yesNoIndex
Type: SystemInt32
Index of the column which contains the binary [0,1] data.

Return Value

Type: Int32
A matrix containing the group label in the first column, the number of occurrences of the first class in the second column and the number of occurrences of the second class in the third column.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type . When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also