Description Usage Arguments Value Author(s) Examples
Calculates the aggregated mean Y value of each observation by summing the F(Y) value of the previous observation with the Y*Weight of the current observation
1 | calcFY(mat)
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mat |
A matrix containing the X,Y,Weight,FX columns after the function calcWeights,reduceSameXs and calcFX has been used on it |
A matrix containg the newely added FY column
Tal Carmi, Liat Gaziel
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | d <- c(1,1,3,4)
e <- c(5,6,7,8)
f <- c(1,1,1,1)
mydata <- data.frame(d,e,f)
names(mydata) <- c("X","Y","Weight")
mydata<-calcWeights(mydata)
mydata<-averageSameXs(mydata)
mydata<-calcFX(mydata)
calcFY(mydata)
## The function is currently defined as
function (mat)
{
mat[1, 5] = mat[1, 2] * mat[1, 3]
n <- size(mat)
for (i in 2:n) {
mat[i, 5] = mat[i - 1, 5] + mat[i, 2] * mat[i, 3]
}
names(mat)[5] <- "FY"
return(mat)
}
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