On 7/23/20 9:34 AM, Neha gupta wrote:
>
> Hello David, file not found should be the path problem I guess. I just
> forgot the pROC library, which I included here. These are all the
> libraries I am using.
>
> library(caret)
> library(farff)
> library(DMwR)
> library(pROC)
> library(pls)
>
> setwd("C:/Users/PC/Documents")
> d=readARFF("bughunter.arff")
I suppose *you* might have such a file in that directory, but do you
assume that *we* will????
A reproducible example will allow others to run your code. Seems fairly
clear that we are not there yet.
--
David.
> dput( head( d, 30 ) )
>
> index <- createDataPartition(d$`Bug class`, p = .70,list = FALSE)
>
> tr <- d[index, ]
>
> ts <- d[-index, ]
>
> boot3 <- trainControl(method = "repeatedcv", number=10,
> repeats=10,classProbs = TRUE,verboseIter = FALSE,
>
> summaryFunction = twoClassSummary, sampling = "rose")
>
> set.seed(30218)
>
> ct <- train(`Bug class` ~ ., data = tr, method = "pls", metric =
> "AUC", preProc = c("center", "scale", "nzv"), trControl = boot3)
>
> getTrainPerf(ct)
>
>
>
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>
> On Thu, Jul 23, 2020 at 4:01 PM Neha gupta <neha.bologn...@gmail.com
> <mailto:neha.bologn...@gmail.com>> wrote:
>
>
> Hello David, thanks for your reply. I have added the information.
>
> library(caret)
> library(farff)
> library(DMwR)
>
> d=readARFF("bughunter.arff")
> dput( head( d, 30 ) )
>
> index <- createDataPartition(d$`Bug class`, p = .70,list = FALSE)
>
> tr <- d[index, ]
>
> ts <- d[-index, ]
>
> boot3 <- trainControl(method = "repeatedcv", number=10,
> repeats=10,classProbs = TRUE,verboseIter = FALSE,
>
> summaryFunction = twoClassSummary, sampling = "rose")
>
> set.seed(30218)
>
> ct <- train(`Bug class` ~ ., data = tr, method = "pls", metric =
> "AUC", preProc = c("center", "scale", "nzv"), trControl = boot3)
>
> getTrainPerf(ct)
>
>
> On Thu, Jul 23, 2020 at 1:08 AM David Winsemius
> <dwinsem...@comcast.net <mailto:dwinsem...@comcast.net>> wrote:
>
>
> On 7/22/20 3:43 PM, Neha gupta wrote:
> > Hello,
> >
> >
> > I get the following error when I use the ROSE class
> balancing method but
> > when I use other methods like SMOTE, up, down, I do not get
> any error
> > message.
> >
> >
> > Something is wrong; all the ROC metric values are missing:
> >
> > ROC Sens Spec
> >
> > Min. : NA Min. : NA Min. : NA
> >
> > 1st Qu.: NA 1st Qu.: NA 1st Qu.: NA
> >
> > Median : NA Median : NA Median : NA
> >
> > Mean :NaN Mean :NaN Mean :NaN
> >
> > 3rd Qu.: NA 3rd Qu.: NA 3rd Qu.: NA
> >
> > Max. : NA Max. : NA Max. : NA
> >
> >
> >
> > library(DMwR)
> >
> > d=readARFF("bughunter.arff")
>
> After installing that package and loading pkg:DMwR I get:
>
>
> Error in readARFF("bughunter.arff") : could not find function
> "readARFF"
>
>
> Since you also posted in HTML, I suggest you read the Posting
> Guide,
> restart and R session and post a reproducible example that
> loads all
> needed packages and data.
>
> --
>
> David.
>
> >
> > index <- createDataPartition(d$`Bug class`, p = .70,list =
> FALSE)
> >
> > tr <- d[index, ]
> >
> > ts <- d[-index, ]
> >
> > boot3 <- trainControl(method = "repeatedcv", number=10,
> > repeats=10,classProbs = TRUE,verboseIter = FALSE,
> >
> > summaryFunction = twoClassSummary, sampling = "rose")
> >
> > set.seed(30218)
> >
> > ct <- train(`Bug class` ~ ., data = tr,
> >
> > method = "pls",
> >
> > metric = "AUC",
> >
> > preProc = c("center", "scale", "nzv"),
> >
> > trControl = boot3)
> >
> > getTrainPerf(ct)
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org <mailto:R-help@r-project.org> mailing
> list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible
> code.
>
[[alternative HTML version deleted]]
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