Displaying 1 result from an estimated 1 matches for "raintomorrow".
2011 Feb 10
2
R 2.12.1 Windows 32bit and 64bit - are numerical differences expected?
...ays agree (so far), but not their 32bit
Windows. I've distilled it to a few simple lines of code to replicate the
differences (but had to stay with the weather dataset from rattle since
could not replicate on standard datasets yet).
library(rpart)
library(rattle)
set.seed(41)
model <- rpart(RainTomorrow ~ ., data=weather[-c(1, 2,
23)], control=rpart.control(minbucket=0))
print(model$cptable)
Final row on 32bit: 9 0.01000000 23 0.1515152 1.1060606 0.1158273
Final row on 64bit: 9 0.01000000 23 0.1515152 1.0909091 0.1152273
Pretty minor, but different. I've not found any seed other than...