Advanced Calculations

In addition to recording and displaying data, BEMSimpleLineGraph can also perform advanced calculations with your data. All calculation methods are available publicly and begin with "calculate". Each method returns an NSNumber as the result of the calculation based on the data in the graph.

Calculation	Method	Description
Average	calculatePointValueAverage	Calculates the average (mean) of all points on the line graph. See also: Average Lines
Sum	calculatePointValueSum	Calculates the sum of all points on the line graph.
Median	calculatePointValueMedian	Calculates the median of all points on the line graph.
Mode	calculatePointValueMode	Calculates the mode of all points on the line graph.
Standard deviation	calculateLineGraphStandardDeviation	Calculates the standard deviation of all points on the line graph.
Minimum	calculateMinimumPointValue	Calculates the minimum value of all points on the line graph.
Maximum	calculateMaximumPointValue	Calculates the maximum value of all points on the line graph.

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Starting soon (and currently on the feature branch), you'll be able to access all calculation operations from the BEMGraphCalculator class. BEMGraphCalculator is independent from your graph, only needs to be instantiated once per app lifecycle, and can handle more complex operations than previously (including integration and correlation coefficients).