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2010 Feb 18
2
Rearranging data
...                44 corp11      17-Feb         1                 30 corp13      17-Feb         1                 16 corp21      15-Feb         3                 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...