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2010 Feb 18
2
Rearranging data
...21
I have filtered them based on investment id as
invest_data = read.csv('input.csv')
investment_id = invest_data$investment_id
filtered1 <- subset(invest_data,investment_id==1)
filtered2 <- subset(invest_data,investment_id==2)
filtered3 <- subset(invest_data,investment_id==3)
filtered4 <- subset(invest_data,investment_id==4)
so filtered1 will give me
> filtered1
   corp_id   date         investment_id    stock_rate
1    corp1   17-Feb             1                    65
2    corp1   16-Feb             1                    70
3    corp1   15-Feb             1              ...