void plotAtriRunStatistics(char *baseName, Int_t runLow, Int_t runHigh, Int_t numWeeks){
chain = new TChain("runStatsTree");
char fileName[256];
for(Int_t runNo=runLow;runNo<=runHigh;runNo++){
sprintf(fileName, "%s_run%i.root", baseName, runNo);
printf("Adding %s\n", fileName);
chain->Add(fileName);
}
chain->SetBranchAddress("stationId", &stationId);
chain->GetEntry(0);
getGraphs();
TTimeStamp *timeThen = new TTimeStamp();
timeThen->Add(-7*24*60*60*numWeeks);
makePlots(timeThen->GetSec());
}
