#Pkg.add("DataFrames") using DataFrames df = readtable("input/weather.csv") df[1:1] df[2:10] df[1:2,2:10] names(df) rename!(df,:Date,:Day) df[:Day] df[:,[:Tmax,:Depart]] df[df[:Tavg].==68,:] df[df[:Cool].=="M",:Cool] df[df[:Cool].=="M",:Cool] = NA df = readtable("input/weather.csv") for name in names(df) df[df[name].=="M",name] = NA end using RDatasets RDatasets.packages() RDatasets.datasets("COUNT") lbw = dataset("COUNT", "lbw")