The object wrapped by this element is of the class org.opensourcephysics.display.Histogram.

Useful Methods
void append(double value, double numberOfOccurences)
Appends a value with number of occurences to the histogram.
void append(double value)
Appends a value with 1 occurence.
void append(double[] values)
Appends an array of values with 1 occurence.
void clear()
Clears all data from this histogram and resets min and max values.