search for: roe25

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2013 Mar 01
7
Conditional Weighted Average (ddply or any other function)
...PS15 MKT15 N1 T1 S1 I1 C1 FY1 ROE16 EPS16 MKT16 N1 T1 S1 I1 C1 FY2 ROE17 EPS17 MKT17 N2 T2 S2 I2 C2 FY-4 ROE21 EPS21 MKT21 N2 T2 S2 I2 C2 FY-3 ROE22 EPS22 MKT22 N2 T2 S2 I2 C2 FY-2 ROE23 EPS23 MKT23 N2 T2 S2 I2 C2 FY-2 ROE24 EPS24 MKT24 N2 T2 S2 I2 C2 FY0 ROE25 EPS25 MKT25 N2 T2 S2 I2 C2 FY2 ROE26 EPS26 MKT26 N2 T2 S2 I2 C2 FY2 ROE27 EPS27 MKT27 with colnames: (Name,Ticker,Sector,Industry,Country,Year,ROE,EPS,MKTCAP) I want to compute 1) Weighted ROE based on Sector and Fiscal Year. For firm N1 of Sector S1 and Fiscalyear FY-3 weight is M...