areamajority

areamajority

Most often occurring cell value within an area

Result = areamajority(expression, areaclass)
areaclass
spatial boolean, nominal, ordinal
expression
spatial boolean, nominal, ordinal
Result
spatial type of expression

Operation

areaclass Identifies the class to which a cell belongs: cells with corresponding values on areaclass are member of a separate class. For each separate class the most often occurring cell value on expression is determined. This value is assigned to all cells belonging to that class. This is done for all classes and saved as Result. If two values both occur the same number of times, the largest value of these values is assigned.

Notes

A cell on areaclass with missing value will result in a missing value on Result at the corresponding cell.

Group

This operation belongs to the group of Area operators

Examples

  1. • pcrcalc
    binding
    Result = Result.map;
    Class = Class.map;
    Expr = Expr.map;
    initial
    report Result = areamajority( Expr, Class);

    • python
    Class = readmap(“Class.map”)
    Expr = readmap(“Expr.map”)
    Result = areamajority( Expr, Class)
    Result.map Class.map Expr.map
    _images/areamajority_Result.png _images/areaarea_Class.png _images/areamajority_Expr.png

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