rloess in Rapiminer
Hi. I'm trying to make a predictive regression model and are currently looking at my raw data. I can see that my raw data got a lot of noise in the signal, which means that it got alot of variance in a...
View ArticleJava could not be launched. Probably there is not enough free memory...
Hi I am facing this error : Java could not be launched. Probably there is not enough free memory available. Please close all other applications and try again. Errorcode: 1 I install rapidminer studio...
View ArticleLearning curve operator
Hey guys, I'm trying to use the Learning curve operator, but couldn't find an example in the documentation.Would any of you have an example of the exact use of this operator? Thanks, Mathijs
View ArticleUsing R in RapidMiner
I installed the Execute R script operator in RapidMIner. Everything works fine but I found the following code didn't work:rm_main = function(dataset) { new_dataset = dataset[1,c(1,5)] return...
View ArticleProblem with sessionization IIS 5 log files.(web mining extention)
Hello.I have a simple problem with sessionization IIS log file.Here is a line of log file: 2002-04-13 04:30:11 12-250-165-27.client.attbi.com - w3svc3 bach bach.cs.depaul.edu 80 get...
View ArticleImportant Differences RM Studio Licenses & Versions
Dear experts, I am investigating the following and It would be really helpful to have more information. And yes I am planning on having potential customers pay for your great software.* 7.1 RM...
View ArticleImportant Differences RM Studio Versions & Licenses Capabilities
Mea Culpa / My apologies please ignore this message. I had an error when posting the previous one so I though it didn't get posted.Mark
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Double Lines/Wires between 2 Operators
Does anyone know the meaning of double lines between 2 operators as shown below between loop values and append?doubleLines between 2 operators
View ArticleClustering with labels?
Hi,is there any way to do clustering with labels to control performance (in classification)? what operator can I use to do that (e.g with k-means?) and is there some way to cluster the data with the...
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Map a function from RScript Extension (RM 5.3) to RScript (RM 7.3)
hi, I want to reproduce an experiment in RM 5.3 where the R Extension was used with the RScript operator (see screenshot) the problem is, I am missing the fields "inputs" and "results" from the new...
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output of new cross validation operator in the new version(7.3).
Hi.. There is a question about the output of the new cross validation operator included in the 7.3 version.The test result set, which is one of the outputs of new cross valiation operator, is not...
View Articlehow to assess the "pureness" of clusters (e.g k-means) with labeled data?
hi,I want to test clustering, I can assess the performance of clusters with operator "map clustering to labels" , but this only works if my size of clusters is equal to the number of labels...If I try...
View Articlehow to create/edit macro in execute R?
Hi I want to runing some sql query in RM, and need to use R to generate that sql code.I'm thinking of sending the sql code to a macro and referring to the macro in "read database" process? But how do I...
View ArticleHow to Import RapidMiner JARs in Eclipse?
Hi,I want to create a RapidMiner classifier on java that classifies a user based on his/her touch input. I have searched for days now, I have RapidMiner Studio and have downloaded the rapidMiner-studio...
View ArticleHow is Jaccard / Dice similarity defined for numerical variables?
hi,as stated here: http://www.stata.com/manuals13/mvmeasure_option.pdfJaccard is TP/(TP+FP+FN)... for as it seems binary variables...but how is it defined for numerical values?? as it can be chosen e.g...
View Articleid3 operator - decision tree is getting more complex when increasing minimal...
Hi,I have a small example set of data which was provided to us in a study assignment. It's an excel list with two sheets. The first sheet is the training set. It has 25 instances of animals, these are...
View ArticleMeasuring Cluster Validity by purity measures?
hi,I have a problem with 3 classes, and wan to d k-means clustering, is there some way to assess cluster performance by some cluster purity criteria like Homogeneity, Entropy, or information gain?is...
View ArticleEM clustering algorithm
As far as I know EM algorithm, in order to compute MLE estimates probability distribution function must be set. Which distribution function is used in RapidMiner? Gaussian?
View ArticleSplitting text into sentences
I have a document containing reviews. Each review has an Review_ID. I like to split the reviews up into sentences and write these sentences to a table. The tables has 2 fields, 1 containing the...
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