search for: rd_var2

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2012 Sep 11
4
R calculates small numbers, where the result should be zero
Hi all, my problem is that R does wrong calculations, when the result should be zero. I have the following code: RD_Var1 <- ((0.1*(1-0.1))/100)+((0.2*(1-0.2))/100) RD_Var2 <- ((0.1*(1-0.1))/100)+((0.2*(1-0.2))/100) RD_1 <- 0.1-0.2 RD_1 RD_2 <- 0.1-0.2 FEM_Eff_RD <- ((1/RD_Var1)*RD_1+(1/RD_Var2)*RD_2)/(1/RD_Var1+1/RD_Var2) Q_RD <- 1/RD_Var1*((RD_1-FEM_Eff_RD)^2)+1/RD_Var2*((RD_2-FEM_Eff_RD)^2) Q_RD My result is: 1.540744e-31 When I put the calc...