CollectorGem stdDevCollector = new CollectorGem();
stdDevCollector.setName("stdDev");
gemGraph.addGem(stdDevCollector);
ReflectorGem sourceDataReflector2 = new ReflectorGem(sourceDataCollector);
gemGraph.addGem(sourceDataReflector2);
Gem populationStdDevGem = gemFactory.makeFunctionalAgentGem(CAL_Summary.Functions.populationStandardDeviation);
gemGraph.addGem(populationStdDevGem);
gemGraph.connectGems(sourceDataReflector2.getOutputPart(), populationStdDevGem.getInputPart(0));