> > Your code has a different name for the sample object. And it would be more > informative if you offered str on "sample1". >
This is the result of str on "sample1". > str(sample1) 'data.frame': 35943 obs. of 17 variables: $ stdate : Factor w/ 7 levels "01/11/09 00:00",..: 1 1 1 1 1 1 1 1 1 1 ... $ domain : Factor w/ 15 levels "Assamese","Bengali",..: 1 1 1 1 1 1 1 1 1 1 ... $ gender : Factor w/ 2 levels "FeMale","Male": 1 1 1 1 1 1 1 1 2 2 ... $ postedby : Factor w/ 10 levels "Brother","Daughter",..: 2 6 6 7 7 7 7 9 1 5 ... $ caste : Factor w/ 424 levels "","Caste no bar",..: 1 171 189 130 182 214 394 32 394 373 ... $ age : Factor w/ 15 levels "20","<20","21",..: 7 15 8 9 11 12 4 9 9 10 ... $ occupation : Factor w/ 54 levels "","Accounts/Finance Professional",..: 43 43 3 2 43 33 43 53 36 14 ... $ religion : Factor w/ 17 levels "","Buddhist",..: 11 7 7 7 7 7 13 7 14 10 ... $ city : Factor w/ 561 levels "","24 Parganas",..: 365 202 116 365 135 143 202 339 404 1 ... $ country : Factor w/ 115 levels "Afghanistan",..: 47 47 47 47 47 47 47 47 47 11 ... $ education : Factor w/ 12 levels "","Bachelors - Arts/ Science/ Commerce/ Others",..: 2 5 8 2 2 8 2 2 9 9 ... $ profiletype: Factor w/ 1 level "Free": 1 1 1 1 1 1 1 1 1 1 ... $ Login : Factor w/ 419 levels ".00","1.00","10.00",..: 114 283 217 216 14 1 2 2 407 327 ... $ EISent : Factor w/ 250 levels ".00","1.00","10.00",..: 1 132 23 132 2 1 1 1 1 2 ... $ EIReceived : num 12 5 43 0 8 2 11 12 4 0 ... $ PMSent : Factor w/ 298 levels ".00","1.00","10.00",..: 1 1 1 1 1 1 1 1 1 1 ... $ PMReceived : num 8 4 61 1 12 8 0 9 1 0 ... What I am trying is: I have 7 days data in .csv format. I need to the average Login for first day(1/11/2009) , from this average I have to calculate index divisor(ID). Then I have to calculate the average Login for all 7 days and need to multiple each day Login average with index divisor(ID), like this stdate LoginAverage Index 1/11/2009 29.50 LoginAverage*ID This what I am trying? Any help will be appreciated Thanks for your time. Thanks & Rg Mohan L [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.