robbery.def ROB Obs: 118 monthly observations from January 1966 to october 1975 ROB = number of armed robberies in Boston Data Source: Hyndman, R.J. Time Series Data Library, http://www-personal.buseco.monash.edu.au/~hyndman/TSDL/index.htm Accessed on 27 February, 2007. Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- ROB | 118 196.2966 128.0398 29 500