private GeoSegment getQQLineSegment() {
SummaryStatistics stats = new SummaryStatistics();
for (int i = 0; i < sortedData.length; i++) {
stats.addValue(sortedData[i]);
}
double sd = stats.getStandardDeviation();
double mean = stats.getMean();
double min = stats.getMin();
double max = stats.getMax();
// qq line: y = (1/sd)x - mean/sd
GeoPoint startPoint = new GeoPoint(cons);
startPoint.setCoords(min, (min / sd) - mean / sd, 1.0);
GeoPoint endPoint = new GeoPoint(cons);
endPoint.setCoords(max, (max / sd) - mean / sd, 1.0);
GeoSegment seg = new GeoSegment(cons, startPoint, endPoint);
seg.calcLength();
return seg;
}
