Displaying 2 results from an estimated 2 matches for "duracao".
Did you mean:
curacao
2005 Oct 27
0
Fw: Example where PPR crashes
...r (for example: v1 <- c('A', 'A', 'B','C','B','A') and v2 <- c(1,1,2,3,2,1), for some parameters sets it crashes, also.
One example:
1. Copy the following data to a new text file named 'errorexample.txt'.
"InicioViagem","Duracao","DiaSemana","DiaAno"
"1705",47364,4376,"quarta-feira ",56
"1695",47900,5270,"quarta-feira ",56
"1692",49828,5182,"quarta-feira ",56
"1690",50779,5489,"quarta-feira ",56
"1703",52297,5...
2004 Oct 13
0
Problems with randomForest for regression
...se sliding window trategy.
library("randomForest")
rf.theil <- vector()
learner='randomForest'
for (i in 1:6)
{
eval.sum <- 0
test.pos=test.pos.ini
while (test.pos <= n)
{
naive.pred <- c(orig.data[test.pos-1,7])
model <- randomForest(Duracao ~ ., data=orig.data[1:(test.pos-1),],
na.action=na.omit, ntree=5000, mtry=i)
preds <- predict(model,orig.data[test.pos:min(n,test.pos+relearn.step-
1),])
test.pos <- test.pos+relearn.step
a<-theil(preds, naive.pred, orig.data[test.pos:min
(n,test.pos+relearn.step...