On 25.04.2010 16:27, Rolf Edberg wrote:
Hi
I am new to R, randomForest and I have read about how to use it in your old
mails. I have also run the predictions examples from CRAN. But I still don't
understand how to use it right.
The thing that I don't understand is how to run the result from the
randomForest on one line (post) with newdata to get a good guess. What I
mean is if I put in a new observation of iris how do I see what flower it
is? And with what probability (proximity) is that guess?
See ?predict.randomForest
I have taken a random post from iris database and taken the species data
away and tried to use it as new data but I have not succeeded in finding out
what species it is.
How do I write that in R?
See ?predict.randomForest
And how do I get the guess if it is a regression problem?
See ?predict.randomForest
Is it possible to get it with unsupervised learning? One post with new data
resulting in a good guess?
What? The Species? How should R know the species if it is unsupervised?
Best,
Uwe Ligges
Thank you
Rolf
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