1 That is, the macro generates a random number for each observation, the data set is sorted by the random number, and then the first num observations are selected.  Then, call the macro select three times once for each of the city data sets .... scollege, pmatilda, and bellefnt .... selecting five observations from each.
A humid continental climate is marked by variable weather patterns and a large seasonal temperature variance. Places with more than three months of average daily temperatures above 10 Â°C (50 Â°F) and a coldest month temperature below â3 Â°C (27 Â°F) and which do not meet the criteria for an arid or semiarid climate, are classified as continental.
east of the 100th meridian the climate is humid continental in the northern areas locations above 40 north latitude to humid temperate in the central and middle atlantic coast regions to humid subtropical in the gulf and south atlantic regionsthe southern tip of florida is tropicalhe state of alaska on the northwestern corner of the north american continent is largely subarctic but with a cool oceanic climate in the southeast alaska panhandle southwestern peninsula and aleutian islands and a polar climate in the north