clear
infile week     lakes    gr       pa       tqg      dm1      dm2      dm3      dm4      seas1    seas2    seas3    seas4    seas5    seas6    seas7    seas8    seas9    seas10   seas11   seas12 using railway.dat
lab var week           "week of observation
lab var lakes          "were Great Lakes were open to navigation by cargo steamships"               
lab var gr             "index of prices reported by member firms to the cartel"
lab var pa             "was collusive behavior reported by the Railway Review"
lab var tqg            "total tonnage of grain shipped by cartel members per week"
lab var dm1        "dm1-dm4:indicators of structural change  (market entry and exit)"
lab var seas1   "seas1-seas12: indicators for various seasons"
desc
summ
save railway,replace