values = initializeDataArray(velocityStart, velocityEnd);
addSeriesData(values, REQUIRED_SERIES, velocityStart, effortAdded);
addSeriesData(values, COMPLETED_SERIES, velocityStart, effortCompleted);
String[] categoryNames = createCategoryNames(velocityStart, values);
dataSet = new DefaultCategoryDataset();
for (int seriesNum = 0; seriesNum < values.length; seriesNum++) {
for (int categoryNum = 0; categoryNum < values[seriesNum].length; categoryNum++) {
dataSet.addValue(values[seriesNum][categoryNum], seriesNames[seriesNum], categoryNames[categoryNum]);
}