I am trying to complete a homework assignment for a class in Analytics. We are using the kknn (K nearest neighbor) function for classification. Anyway, the for loop does not seem to be iterating through the i values as I am intending:

I first tried initializing a list and trying to append it using the double brackets notation, but I noticed, in my Global Environment, that the list just had one item. I tried using the $ notation to append the list, and same result. I then tried starting a data frame and using rbind to extend the frame with each iteration of the for loop , in hopes that it would do the trick. It is still giving me only one item in my dataframe.

klist = list()

for(i in 1:654) {CCmodel_knn <- kknn(V11~V1+V2+V3+V4+V5+V6+V7+V8+V9+V10, CCdata[-i,],CCdata[i,],k=10,distance = 2,kernel ="optimal",scale = TRUE)

fittedValues <- fitted.values(CCmodel_knn)

klist$fittedValues <- i}

and I tried klist[[fittedValues]] <- i

Here is the code I used for the dataframe:

kframe <- data.frame(ivalue = i, FV = fittedValues)

for(i in 1:654) {CCmodel_knn <- kknn(V11~V1+V2+V3+V4+V5+V6+V7+V8+V9+V10, CCdata[-i,],CCdata[i,],k=10,distance = 2,kernel ="optimal",scale = TRUE)

fittedValues <- fitted.values(CCmodel_knn)

rbind(kframe, i, fittedValues)}

Any suggestions on how to get the for loop to add to my list? As you can see, there my range is i in 1:654, so I am expecting a 654 row dataframe/list.