Search Archives
Search tips
from:Name
Search by author name, e.g. from:Duncan Murdoch
"exact phrase"
Match an exact phrase
word1 word2
Match messages containing both words
Date range
Use the date pickers to filter results to a time period
Use the list dropdown to narrow results to a specific mailing list. Combine from: with other terms to filter by author and content.
Hello, How can I do a cross validation in R? Thank You!
An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-help/attachments/20080122/925cfef3/attachment.pl
Good Morning! May you help me? I need to understand the function predict. I need to understand the algorithm implemented, the calculations associated. Where can I find this information? Thank You!
Hello! I need some help, because I don't know how this error means: Error: variables ?Output1?, ?Output2?, ?Output3?, ?Output4?, ?Output5? were specified with different types from the fit Execution halted Can you help me? Thank You
Hello, I' m trying to change the formula in the rpart function. The format of a general formula is Answer ~ expression, where Answer is the dependent variable and expression is set of terms containing the independent variables and separated by...
Hello! May you help me? I'm trying to do a contingency table using this > data(iris) > library(rpart) > modelo <- rpart(Species ~., iris) > prev <- predict(modelo, iris) Finally the contingency table > table(iris$Species, prev) But an error occurs: Error...
How can I join two lists? I have q1 and q2 and I want to merge them. I have tried to use the comand merge, but not work. Any solutions? Thanks! > q1 $Input1 7.84615384615385 0.5 $Input2 8.92307692307692...
Good morning! I do not speak English very well and so I will try to explain the best I can. I have this: > tabela[,1] [1] a a b b a c b a c c c c c Levels...
Hello, I need help to build an array within an array, i. e., I have this: tt[,,c(1,2)] , , metadados.class_7.R CS WRC LRA Inicial 1.0000000 1.0000000 1.0000000 Final 0.5974482 0.6095162 0...
Can't find what you're looking for? Try searching with Google .