Displaying 1 result from an estimated 1 matches for "df_leads_sum".
2013 Aug 30
0
ddply for comparing simulation results
...> > df_leads=data.frame(id, isSimulated, userId)
>> > require(data.table)
>> Loading required package: data.table
>> data.table 1.8.8 For help type: help("data.table")
>> > system.time({
>> + df_leads <- data.table(df_leads)
>> + df_leads_sum <- df_leads[
>> + , list(count = .N)
>> + , keyby = c('isSimulated', 'userId')
>> + ]
>> + })
>> user system elapsed
>> 0.75 0.01 0.76
>> >
>> > head(df_leads_sum)
>> isSimulated u...